f. Tech. Specifications _166-216

8/14/2019 f. Tech. Specifications _166-216

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166

Stamp & Signature of Tenderer/s

TECHNICAL SPECIFICATIONS


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No. IRCON/9030/MAL.SGDT/S&T/Commn./Pkg.III Date:04.01.2010

Signature & Stamp of Tenderer/s 167

1.0 (VOID)

2.0 CABLING AND TRANSMISSION EQUIPMENT

2.1 General

2.1.1 This section of the Specification comprises: -

(i) Copper cables utilised for Signal Post PAX extensions, PABX extensions,electric traction, substation including feeder stations, track sectioning locationand the circuit breaker location and general distribution.

(ii) Fibre Optic cable supporting the main transmission medium network.

(iii) Digital transmission equipment conforming to the 2Mbit/s and SDH STM-1 orSTM-4 hierarchy.

2.2 Copper Cables

2.2.1 The purposes of the copper telecommunication cables is to connect office and line-side communication facilities to a main distribution node: -

(i) Provision of services to Halts, Electrical Substations, Stations etc., and formsthe backbone of the general distribution from the transmission nodes.

(ii) Any other telephone or data circuits as necessary i.e. Signal Post PAXextensions and PABX extensions.

(iii) At the completion of cabling and before bringing into traffic there shall be a joint telecommunications / electrification test involving short circuit and loadtests to ensure that results are within specification.

Their design and construction shall comply with the British Standard SpecificationBS 3573:1972.

The S.O. will consider cable designs complying with other recognised specifications,provided that the detailed requirements of such specifications are submitted and areconsidered to be similar or equivalent.

2.2.2 Construction of the cables shall be as follows:-

(i) Conductor : annealed copper

(ii) Insulation : cellular polyethylene for type A cable

(iii) Core structure : twisted pairs or twisted quadding

(iv) Stranding : 10 pair sub-unit; or according to BS 3573-1972

(v) Tape : polythene terepthalate and non-hygroscopic andnon-wicking dielectric material.


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(vi) Moisture barrier : a nominal 150 m aluminium tape appliedlongitudinally with an overlap of not less than6.5mm.

(vii) Sheath : polythene compound Type 03C as per BS 6234.

(viii) Armouring : galvanised steel wire according to BS 6234.

(ix) Outer Sheath : polythene compound Type 03C as per BS 6234.The colour of the outer sheathing shall be black,achieved by adding appropriate quantities ofcarbon black during manufacture. The outersheath shall be of such chemical composition soas to protect the sheath from attack by termites.

(x) Identification : A sequentially numbered cable length markershall be printed on the outer sheath, at aregular intervals of 1 metre for indication ofcable length. The word KTMB, the year of

manufacture and the name of manufacturershall be embossed at intervals of 1 metre alongthe outer sheath.

(xi) The number of different cable size shall be kept to a minimum and shall be ofthe preferred sizes 10, 20 and 20+ pairs.

(xii) The nominal diameters of the copper conductor shall be 0.63mm and 0.9 mm.

(xiii) Conductors and conductor groups in the cable shall be separated from eachother with clear markings.

2.2.3 The average D.C loop resistance for a pair of conductors, at +20 degrees C, shall not

exceed the following values.

Nominal diameterof conductor (mm)

Average of loopresistance ohm / km

0.63 1160.90 56

2.2.4 Minimum Delivery Lengths

Number ofQuads or pairs

Minimum deliverylength (metres)

5q or 10p

10q or 20p

more than 20p

1000

500

500

2.2.5 Cable Drums

Cable shall be delivered on strong wooden drums. The cable must be wound onthe drum in a way to afford easy inspection of ends. The ends of the cable must


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be well protected mechanically and sealed for normal handling and storage. Thedrum shall be covered with a weatherproof board. The name of themanufacturer, number of the drum, the type and length of the cable and an arrowwhich shows the permitted direction of rotation when moving the drum shall bemarked on the flange of the drum. The Contract Number shall be marked in thecable drums.

2.2.6 Cable Test

All copper cables shall be tested in accordance with the testing specificationKI/SP/TS/I issue I dated 2.12.1995 (see Appendix 1).

All cable test results shall be submitted to the S.O. a minimum of four weeks priorto the planned bringing into service date of the cable.

2.2.7 Cable Distribution

(i) Every track-side telephone, i.e. Signal Post PAX extensions and line-sidelocation cases.

(ii) Every overhead electrification trackside substation will be supplied by a10 pair cable.

(iii) Distribution to all line-side facilities, stations and other railway buildingcomplexes etc.

Based on the above and taking account of facilities detailed on the Layout Plansthe Contractor should propose a cable layout plan which would provide for theservices required and allow for 25% future expansion.

2.2.8 Cable Termination

The copper cables shall be brought into all intermediate and terminal stations andhalts as listed in the Schedule, to a suitable frame, mounted in these equipmentrooms. The sheath shall be removed from the copper cable to the bottom of thetermination frame. The copper cables pairs formed into a neat loom and lacedwith plastic adhesive tape, shall be run to the allocated position on the frame.The conductors shall be terminated on Krone insulation displacement connectors,type LSA or equivalent.

2.2.9 Cable Laying

The cables shall be laid within the KTMBs right of way in the buried concretecable trough along the railway, under track and road crossing, ducting etc.Unless otherwise specified cables will be laid within the envelope of the overheadelectrification structures.Approval shall be sought from the S.O. as to the distance and depth from theoverhead line equipment mast foundation in which the cable may be laid.

2.3 Optical Fibre Cables (Single mode)

2.3.1 The Optic Fibre to be supplied shall be of the mono-mode type.


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2.3.2 The cable design shall be able to withstand pulling or compressing duringinstallation. Round wire armouring is required for the cable - (Clause 2.3.35refers).

2.3.3 The cable shall be protected against damage by insects, termites and rats.

2.3.4 (void)

2.3.5 The cable design shall make it impervious to moisture.

2.3.6 The outer sheath of the optical shall be clearly marked for ease of identification.

2.3.7 The geometrical, optical fibre and transmission characteristics of the fibres aredefined according to the C.C.I.T.T. Recommendation G.652. The measurementof the characteristics shall be made in accordance with the same C.C.I.T.T.recommendation.

2.3.8 The main operating wavelength is around 1300mm. There are also requirementsconcerning the future use at wavelengths around 1550 nm.

2.3.9 The mode field diameter shall be between 8.5 m and 10.5 m measured at 1300nm.

2.3.10 The cladding diameter shall be 125 +/- 3m.

2.3.11 The cladding non circularity shall be less than 2%.

2.3.12 The mode field concentricity error shall be less than 1 pm.

2.3.13 The cut-off wavelength of the second order mode shall be in the wavelengthrange 1150 nm to 1330 nm. (Note: The requirements for cut-off wavelength ofcabled fibres are stated in relevant cable specifications).

2.3.14 The fibres shall be proof tested with at least 0.7% strain with a minimum durationof 1second.

2.3.15 The primary coating shall be uniform and firmly attached to the fibre cladding.The coating shall be capable of being stripped mechanically. Acceptable fibretypes are described below:-

(i) Tight buffer type

The nominal outer diameter of the coating of tight buffer type fibres shallbe 0.9 mm. The buffer layer shall be made of silicon or some othermaterial which has corresponding softness.

(ii) Fibres with thickened primary coating

The nominal outer diameter of the thickened primary coating shall be 400

or 500m. The coating shall be coloured, that is, no fibre with naturalcolour is acceptable.


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2.3.16 Attenuation change of 3 meters of the fibre bent into loose loops with a radius of50mm, when cooled from room temperature to -45 degree Celsius, andmeasured at a wavelength of 1300 nm and 1550 nm, shall be less than 0.1 dB.

2.3.17 The requirements for transmission characteristics apply for cabled fibres at atemperature of + 20 degrees Celsius, measured on a reel under normal operation

conditions as described in the relevant cable specifications.

2.3.18 The average attenuation of the fibres measured in a cable of delivery length shallnot exceed 0.4 dB / km and any single attenuation value shall not exceed 0.5dB/km over wavelength range from 1285 nm to 1330 nm. The attenuation shallbe constant over the fibre length and there shall be no attenuation stepsexceeding 0.1dB.

2.3.19 The average attenuation of the fibres measured in a cable of delivery length shallnot exceed 0.3 dB/km and any single attenuation value shall not exceed 0.4dB/km at the wavelength of 1550 nm. The attenuation shall be constant over thefibre length and there shall be no attenuation steps exceeding 0.2 dB.

2.3.20 The dispersion shall not exceed 3.5 ps/km/nm for the wavelength range 1285 nmto 1330 nm and 20 ps/km/nm at the wavelength of 1550 nm.

2.3.21 The following data shall be supplied by the manufacturer for each fibre type.

(i) The strength distribution (Weilbulls plot) of proof tested primary of buffercoated fibres measured in the laboratory atmosphere. The slopes of thedistribution shall be given (m extrinsic flaws; m manufacturing processand intrinsic flaws). Number of samples shall be at least 50, gauge length10 m or 20 m and strain rate 5% min. The gauge length may be shorter(minimum 1 m) but the total length of tested fibre sample shall be at least500 m.

(ii) The failure number per unit length during proof testing. The proof teststrain shall also be given.

(iii) Static fatigue curves (time to failure against stress) and stress corrosionfactors (n) determined for relative humidity of 40% and 100% at atemperature of 25 degrees Celsius, for the proof tested primary coatedfibres.

(iv) The base and dopant materials of the fibres in MUL%.

(v) The coating materials and dimensions of coating layers.

(vi) The nominal refractive index profile. The nominal mode field diameterand its variation limits.

(vii) Test results of hydrogen effects on the attenuation of the fibres. Bothreversible and non-reversible parts of the attenuation shall be measured.

(viii) Test results of the splice losses when the fibre is fusion spliced to othercommercial matched cladding and depressed cladding fibres types.


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(ix) The wavelength area where dispersion-zero appears, the slope of thedispersion curve, and the maximum absolute values of dispersionmeasured at the wavelength of 1285 and 1330 nm.

2.3.22 The optical fibres shall meet the requirements stated in preceding part of theSpecification. All the fibres in a cable delivery lot shall be of the same quality and

origin, and from the same manufacturer. Fibre splices in a cable delivery lengthare not acceptable. Fibres with thickened primary coating are not acceptable foruse in buried cables.

2.3.23 The attenuation variation for any cabled fibre shall not exceed 0.1 dB/km over thetemperature range from -20 to + 25 degrees Celsius and 0.3 dB/km over thetemperature range from -45 to + 55 degrees Celsius, measured under normaloperating conditions and on a reel of cable, for the wavelength range from 1285nm to 1330 nm and for the wave length of 1550 nm. The cables shall be testedin accordance with the test method FI of I.E.C. Publication 794-1.

2.3.24 For the purposes of this test, cables shall be subjected to the temperaturechange cycles described below. The attenuation of each fibre shall be measured

for every temperature step mentioned, when the cables have reached thattemperature.

Temperature change cycles: The temperature in the chamber (in degreesCelsius) shall be changed to:-

(1) -45 degrees(2) +55 degrees(3) -20 degrees(4) +25 degrees(5) -45 degrees(6) +55 degrees(7) Room temperature

Requirement:- There shall be no visible deterioration in the cables after thetest and they shall meet the limits stated in the precedingparagraph.

2.3.25 The cable shall be designed and manufactured for an operating life cycle of 30years. The cable construction shall be such that the total strain of the fibres,including the permanent strain caused by the cabling process, shall not exceed0.2% under any normal condition during or after installation. The normalinstallation and operation conditions are described in this Specification.

2.3.26 All the cable materials shall be compatible with each other. It shall be theresponsibility of the manufacturer to establish quality assurance by quality controlprocedures, which ensure that the cables meet the requirements of theSpecification.

2.3.27 Each cable shall contain as many fibres as indicated in the schedules for thecables required. The cable core shall be entirely non-metallic.

2.3.28 The fibres shall be marked by continuous colouring of the fibre coatings. Thecolours shall be in accordance with IEC Publication 304. In the basic layerconstruction the following colour code shall be used:-


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Loose tube: Slotted core:

1st fibre: blue 1st slot: blue2nd fibre: white 2nd slot: yellow3rd fibre: yellow 3rd slot: green

4th fibre: green 4th slot: red5th fibre: white (the colour sequence 5th slot: blue6th fibre: yellow of the 2nd, 3rd and 4th 6th slot: yellow7th fibre: green fibres shall apply for............. ......... the subsequent fibres,............. ........ except the last fibre)last fibre: red

The colour of the filler elements shall be black.

In special construction, for example, multiple fibres in a slotted core, the sameprinciple shall be followed.

2.3.29 The cable core shall be filled with a filling compound in order to preventlongitudinal water penetration. The filling compound shall be free from any visibleimpurities and water. The compound shall be odourless and non-toxic, and itschemical properties shall be compatible for use with the coating and sheathmaterials. The compound shall be non-liquid at temperature below 70 degreesCelsius. The compound shall be capable of being easily removed using normalwork method with an aliphatic solvent, the boiling point of which is between 190and 240 Celsius.

2.3.30 Water penetration test: the cable shall be tested in accordance with the testmethod F5 of IEC Publication 794-1.

Note: The tightness requirements shall apply to all the interstices inside the

moisture barrier, the moisture barrier itself and the polythene sheathimmediately surrounding the moisture barrier. The cable shall beconsidered to have failed if two consecutive samples taken from a cablelength fail in the test.

2.3.31 The cable shall pass the test for filling compound flow in accordance with EIAStandard 455-81, method A. The test sample is laid horizontally in the oven at atemperature of 70 degrees Celsius (+/- 3 degrees) for one hour. Thereafter thetest sample is laid in the vertical position in the oven at the same temperature for24 hours. There shall be no signs of the filling materials under the sample, at theend of the test period.

2.3.32 An aluminium laminate coated on both sides by a polymer film shall surround thecable core. The laminate shall be applied longitudinally with a aluminium tapeshall be not less than 0.15 mm and the nominal thickness of the polymer filmcoating 0.04 mm.

2.3.33 The sheath of the cable be made of black weather-resistant polyethylene. Unlessotherwise specified the sheath shall be in accordance with the IEC-Publication708-1.


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2.3.34 The inner sheath of the cable shall be fully attached to the aluminium tape thatsurrounds the cable core. The nominal thickness of the inner sheath shall be 1.4mm. The mean value for the thickness of the inner sheath shall not be less thanthe nominal value and at any single instance shall not be less than 1.0 mm.

2.3.35 The cable shall be armoured throughout with circular zinc coated steel wires.

The armouring shall be sealed longitudinally with bitumen. The preferreddiameter of the armouring wire is 1.4 mm. In lieu of armour, the S.O. mayconsider alternative means of mechanical protection of the cable, subject toapproval.

2.3.36 The tensile strength of the armouring wire shall be between 340 and 490 N/mm2.The tensile strength shall be calculated from the original real cross-sectional areaincluding the zinc coating.

2.3.37 The armouring wire shall not break when it is wrapped 8 turns around a mandrillof the same diameter as the wire. The speed of wrapping shall not exceed 1 turnper second.

2.3.38 The amount of zinc coating on the armouring the wire shall be at least 180 g/m2.The zinc coating shall be evenly distributed and adhere firmly to the steel. Thequantity of zinc shall be measured in accordance with the ISO Standard 1460.The quantity of the zinc coating shall be tested by wrapping 8 turns around amandrill having a diameter of three times the diameter of the wire. The zinccoating shall not exhibit splits where zinc scale can be rubbed off by fingers.

2.3.39 The cable sheath shall be marked clearly with the word KTMB, cable typedesignation, the year of manufacturer, the mark of the manufacturer and arunning length reading in meters starting with 0 m at the beginning of themanufacturing length. The marking shall be done at 2 m or shorter intervals.

2.3.40 The sheath which is directly covering the armouring shall withstand for one

minute without breakdown the application of a test voltage of 1500 V r.m.s. 50Hzor 2000 V d.c., after the cable has been submerged in water at least two hours.The test voltage shall be connected between the armouring and the water. Thisunder water test may be replaced by a dry test in which the sheath shallwithstand for one minute without breakdown the application of a test voltage of3500 V r.m.s. 50 Hz or 500 V d.c., the test voltage being connected between thearmouring and an outer electrode.

2.3.41 The inner sheath shall withstand for one minute without breakdown theapplication of a test voltage of 300 V r.m.s. 50 Hz or 500 d.c. The test voltageshall be connected between the aluminium tape and armouring.

2.3.42 Buried cables may be installed into the ground without any other protection byploughing or by laying them into a trench. The cables may also need to be pulledthrough ducts, therefore the minimum bending radius of the installed cables willbe 300 mm.

2.3.43 The strain in the fibres shall not exceed 0.2% when the cable is tested accordingto the test method E1 of IEC Publication 794-1. The maximum tensile force ofthe test shall be 8000 N and the cable section under test shall be at least 100mlong. The attenuation of the fibres during the test shall be within the limits statedin the relevant section of the Specification, concerning optical fibres. The strain in


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the fibres and the change of the attenuation shall be recorded as a function ofload.

2.3.44 The attenuation of any fibre measured at the wavelength of 1300 nm and 1550nm shall not increase more than 0.1 dB during the test E3 of IEC Publication 794-1.

2.3.45 The edges of the movable plate shall be rounded with a radius of more than 5mm. The load shall be 6000 N and shall be applied for 60 seconds. After thetest the cable shall not exhibit any visible mechanical damage or any change intransmission characteristics. (for the purpose of this test, external deformation ofthe cable will not be considered as mechanical damage, However, cracking,splitting or other similar damage in the sheath are not acceptable).

2.3.46 The attenuation of any fibre measured at the wavelength of 1300 nm and 1550nm shall not increase more than 0.1 dB when compressed with a mandrill ofdiameter 25 mm crossing the cable at 90 degrees angle. The mandrill shall beapplied at a load of 2000 N. After the test the cable shall not exhibit any visiblemechanical damage of any change in transmission characteristics. (For the

purpose of this test, external deformation of the cable will not be considered asmechanical damage. However, cracking, splitting or other similar damage in thesheath are not acceptable).

2.3.47 The attenuation of any fibre measured at the wavelengths of 1300 nm and 1550nm shall not increase more than 0.1 dB and the cable shall not exhibit any visiblemechanical damage after the impact test made in accordance with the test E4 ofIEC Publication 794-1. The radius (r) of the intermediate piece shall be 50 mm.The test shall be carried out at a temperature of 20 degrees Celsius (+/- 5degrees). The mass of the weight and the height from which the weight falls shallbe adjusted to give an impact energy of 50 Joules. (For the purpose of this test,external deformation of the cable will not be considered as mechanical damage.However, cracking, splitting or other similar damage in the sheath are nor

acceptable).

2.3.48 There shall be no breakage of any fibre or strength member and no visiblemechanical damage in the cable when subjected to the repeated bending test inaccordance with test E6 of IEC Publication 794-1. The bending radius (R) shallbe 200 mm., the load 75N and the number of bends 1000. (Breakage of thealuminium laminate shall not be considered as mechanical damage for thepurpose of this test).

2.3.49 There shall be no breakage of any fibre or strength member and no visiblemechanical damage in the cable when subjected to the torsion test in accordancewith test E7 of IEC Publication 794-1. The length (L) shall be 1000 mm and theload 150 N. The test shall consist of 20 cycles with torsion of +180 degrees and-180 degrees.

2.3..50 The attenuation of the fibres shall meet the requirements stated in the relevantsection of the Specification, for the optical fibres, after the cable has been pulledthrough a 180 degree bend around a mandrill with a diameter of 800 mm, for 10cycles back and forth, while a tensile load of 8000N is applied on the cable. Thecable shall not exhibit any mechanical defects after this test of cable bendingunder tension.


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(b) The transmission delay for at least one fibre in micro-seconds at awavelength of 1300 nm.

2.3.55 Nominal delivery length shall be 2000 m. At least 80% of drums delivered shallbe with cables 2000 +/- 200 m in length. Lengths shorter than 900 m or longer

than 2200m shall not be accepted. If cables which are shorter than the nominallength are to be delivered, the reason for this and the original manufacturerreference numbers for such cables shall be stated.

2.3.56 Cables shall be packed according to separate packing instructions.2.3.57 Manufacturer shall provide all information required for installation of the cables,

including the preferred methods for the removal of the coating materials from thefibres, the preferred splicing and reinforcement methods, instructions for thefabrication of cable pulling eyes, grips or other methods for cable attachment etc.All details essential for proper installation of the cables shall be included.

2.4 Compatibility

The optical fibre links constructed from the contractors equipment must besuitable for interconnection to other optical fibre links constructed from anothermanufacturers equipment, as long as the links are designed to operate at thesame I.TU-T recommended digital interfaces.

2.5 Cable Installation

2.5.1 The Contractor shall arrange for every cable joint position to be clearly markedalong the physical route for ease of maintenance and fault location purpose.There shall be no more than two (2) joints per 2 km of optic length. If more jointsare found to be necessary, reasons for this shall be forwarded to the S.O forapproval.

2.5.2 Diagrams shall be supplied by the Contractor, indicating specific laid cablelengths and cable joint positions by distance from the terminal location.

2.5.3 Test results of the installed cables by individual fibre and cable section shall beprovided (OTDR prints) to the S.O at least 4 weeks prior to the bringing intoservice date of the cable. Each print should indicate as a minimum the powerbudget, power loss and individual joint position and attenuation.

2.5.4 Any cable joint boxes required for cable joints in the main cable route shall beprovided by the Contractor to the satisfaction of the S.O.

2.5.5 Telephone Cable Distribution System

2.5.5.1 The works shall be carried out by qualified telephone wiring contractor.

2.5.5.2 Telephone wring diagrams shall be prepared and submitted to Telekom Malaysiafor approval.

2.5.5.3 Each distribution frame shall be supplied with termination records. Accuraterecords ad documentations shall be provided.


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2.6 Transmission and Terminating Equipment (Optical Fibre Cable System)

2.6.1 The optical fibre cables to be installed along the railway route shall form part ofKTMBs dedicated telecommunications network. For this phase it is proposed tomake use of optical fibre pairs along extended route, as follows: -

- 1 pairs of fibres for a SDH STM-1/4 system trunk for the main route

- 1 pairs of fibres reserved for signalling throughout the entire double trackingarea. This pair shall be terminated with 2 Mbit/s optical line equipment onlyand shall include facilities for remote monitoring.

- 1 pair for loop-back protection

2.6.2 The transmission system conforming to SDH STM-1/4 shall include the followingdevices:

- optical line equipment- add drop multiplexer equipment- 2Mbit/s digital branching equipment

- Subscriber and voice frequency (VF) interface units- Data interface units- Optical fibre cable boxes.- Power supplies- Racks and cases.- 2Mbits/G 703 interface units.

2.6.3 The transmission network shall be equipped with a local and remote supervisionsystem for maintenance services. The primary PCM Multiplex Equipment shall beable to detect the following minimum fault conditions: -

- failure of power supply- loss of incoming signal at 64 Kbit/s input port

- loss of incoming signal at 2048 Kbit/s- loss of frame alignment- excessive error ratio- remote station alarm

2.6.4 Provision of loop back protection at STM-1 level for the transmission networks.

2.6.5 The KTMBs existing digital transmission equipment (DTS) and ancillaryequipment as part of KTMBs trunk digital transmission network within the projectsite installed under KTMBs nationwide digital transmission network shall beretained and reused or expanded (if necessary) as part of the Finished Workunder the System Contract.

2.6.6 As part of interim works, the Contractor is required to relocate the digitaltransmission equipment and ancillary equipment installed within equipmentrooms of the existing station buildings to interim equipment rooms and/or newstation buildings provided under the Infrastructure Contract.

2.6.7 The equipment shall have automatic laser shut down facility in case of breakdownof the cable.


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2.6.8 The optical line equipment shall comply with the CCITT recommendations G703,G.823, G956, G.561 and G652. The wavelength region shall be 1300 nm or1500nm, as applicable. The transmitter shall be a light emitting diode (LED) orlaser device.

2.6.9 The 8Mbit/s second order digital multiple equipment, where provided shall comply

with CCITT recommendations G.742, G.703 and G.823 (Red Book).

2.6.10 The 2Mbit/s first order digital multiplex equipment shall comply with CCITTrecommendations G.703, G.704, G.711, G.732, G.735, G.736 and G.823. Theequipment must incorporate the interfaces fir the 8Mbit/s multiplex equipment,2Mbit/s branching equipment, the interface for analogue or digital PABX -subscriber, data 2Mbit/s (inter-exchange trunk, common channel signalling) and1200-9600 bit/s, base station voice/control and remote omnibus (signalling) line.

2.6.11 The 2Mbit/s branching equipment shall comply with the CCITT recommendationsG.703, G.704, G.711, G.732 and G.823. The equipment must incorporate theinterfaces for the 2 Mbit/s multiplex equipment, analogue or digital PABX -subscriber, train controllers omnibus telephone, data 1200 -9600 bit/s, base

station voice control and remote control omnibus (signalling) channel.

2.6.12 The subscriber and VF interface units shall comply with the CCITTrecommendations (Red Book) G.711, G.712, G.713, G.714, G.517, G.732 andG.735. The units must have the interfaces for the analogue or digital PABX -subscriber, base station voice /control, train controllers omnibus telephone andremote control omnibus (signalling) channel.

2.6.13 The data interface units shall comply with the CCITT series V, and X.,recommendations, G.703, G.704, G.732. The units must have the interfaces forthe 1200-9600 bit/s data channels in the 2Mbit/s multiplexing and branchingequipment, interfaces for the 2Mbit/s data channel in the 2Mbit/s multiplexer unit(inter-exchange trunk, common channel signalling).

2.6.14 The Contractor will be expected to offer a solution incorporating all equipmentand services necessary to meet the specification. This includes the following: -

(i) DC standby power supplies(ii) coaxial cabling(iii) all other necessary cabling(iv) racking(v) DDFs (as necessary)(vi) installation(viii) commissioning

The system shall meet all the relevant recommendation / specifications asdetailed in this section.

2.6.15 DC Power Plant

(i) Power supplies shall be derived from U.P.S. system. All equipment shallbe powered from a nominal - 48VDC supply. The Contractor shall detailthe steps taken to protect the operation of the equipment from the failureof individual Dc supplies / circuits.


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(ii) The equipment shall be capable of continuously providing the rated DCoutput within an AC input voltage range 216 to 264 volts at 48 to 52 Hertz.

(iii) The DC power plant nominal output voltage is 48V positive earth within atolerance of 20% (i.e. from 38 V to 58 V). The limit of hum ripple shallnot be greater than 100 mV within the frequency rage of 50 Hz to 100 Hz.

(iv) The nominal specified load at each site shall consist of the maximumcurrent used by the equipment supplied by the Contractor plus 100%capacity for expansion. The stand-by time for the specified load shall notbe less than 12 hours. The Contractor shall include a detailed breakdownof the equipment and power loading with the Proposal return.

(v) The Contractor shall ensure that the battery unit distribution cabling isprotected to prevent accidental contact by personnel whilst carrying outroutine maintenance tasks.

(vi) Each equipment shelf shall be powered through a separate miniaturecircuit breakers (MCBs). The MCB for each shelf in each rack face shall

be located on an MCB distribution panel mounted at the top of thecorresponding rack face. Alternatively fuses may be offered, howeverMCBs would be preferred.

2.7 Network Management System

2.7.1 The remote supervisory and fault diagnostic system for the transmission networkshall be a computer system to facilitate monitoring of the optical fibre cable andterminal equipment. In addition, the system must:

(i) Indicate the alarm in the local equipment at site as well at the RemoteControl Centre in Kuala Lumpur and new North CTC.

(ii) Include remote control facilities that shall be utilised to switch traffic fromfaulty links.

(iii) Include provisions for fault indication and analysis for interface link to theother KTMB telecommunications equipment within the area.

2.7.2 The transmission system networks for Klang Valley and the project site shall befully compatible and integrated with the NMS system in CTC-central to providecentralised monitoring and supervisory of KTMBs digital transmission network.The integration and interfacing of the systems which may involve reconfiguration,modification and/or upgrading of software/hardware, wiring at Kuala LumpurSentral shall be part of the Contractors scope under the Contract.

2.8 System Performance

2.8.1 The Contractor shall satisfy the S.O. of the reliability of the equipment over anassumed minimum operational life of 15 years.

2.8.2 The Contractor shall provide details of equipment mean time between failure(MTBF) performance for all operational equipment. The MTBF figures shall be


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quoted for each item of equipment and calculations shall be provided for thereliability of the complete system.

2.8.3 The Contractor shall give justification for his expected MTBF figures based oneither or both of the following sources:

(i) A prediction; in which case the component reliability data used and thecalculations shall be forwarded to the S.O. The component reliability dataused shall be applicable to the quality of devices to be employed inproduction of equipment.

(ii) Experience of equipment already in service; in which case quantities andtime in service shall be given.

2.8.4 The Contractor shall maintain statistics relating to the failure of supplied units aswell as the most probable cause of each failure for units returned during warrantyperiod. This information shall be made available to the S.O. on a regular basisand when requested by the S.O.

2.9 Testing

2.9.1 The Contractor shall provide all test equipment necessary for the acceptancetests of the equipment.

2.9.2 The Contractor shall ensure that all test equipment is designed for the functionthat it is being used.

2.9.3 The Contractor shall ensure that all test equipment is correctly in the accordancewith BS 5781. The S.O. shall require documentary evidence of calibration.

2.9.4 Any equipment proved to be faulty during testing shall be replaced from the

Contractors own stock and must NOT be taken from the consigned stock ofspares designated for the S.O. Such defects shall be recorded and presented tothe S.O. with the test results.

2.9.5 The Contractor is to produce a test plan detailing the proposed testing methods,procedures, record sheets, resources and management. This should bedesigned to provide the most efficient testing solution and should be supplied tothe S.O. eight (8) weeks before the start of testing for the S.O.s approval.

2.9.6 The Contractor shall carry out a full site inspection of the quality of installation.

Final acceptance tests.

2.9.7 The Contractor shall, be means of the planned testing, prove to the S.O. that thesystem meets its full specification, has in no way been damaged, degradedduring transportation or installation and is fit for bringing into service. It is alsorequired that levels and correct function are recorded for future maintenance.

In order to prove the above, the following types of test shall be carried out: -

(i) Power Plant


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The Contractor shall discharge the cells fully to their specified capacityand recharge them using a method approved by the battery manufacturer.All tests necessary to prove the correct operation of the charges, loaddisconnects units and distribution cabling shall be performed.

(ii) Audio Parameters

Audio circuits shall be tested to prove their correct function to the limitsrecommended in CCITT recommendations G.711, G.712, G.713 andG.714.

(iii) Alarms

All equipment' s alarm circuits shall be tested.

(iv) Optical Line Equipment

Optical power levels shall be tested and the optical power budgetconfirmed.

(v) Configuration and Software

The software functions shall be tested and the configuration of theequipment checked.

(vi) Analogue cross-talk

All analogue circuits shall be tested for cross-talk.

(vii) Stability Tests

All digital circuits shall be stability tested. The minimum duration shall be

as follows:-

64kbit/s 15 minutes2Mbit/s 24 hours8Mbit/s 24 hours

The method of stability testing shall be to apply a pseudo random bitsequence to the circuits input recording the errors received at the circuitsoutput on the DDF/S. During the test all coaxial connectors, cables, cardsand shelves shall be thoroughly percussion tested. The stability test shallonly be passed if zero errors are recorded. Should any errors berecorded the Contractor shall be obliged to prove their cause and recordand the remedial action required preventing their repetition.

(viii) End-to-end function

The correct function of all circuits in a specified configuration shall beproved from en-to-end.

(ix) Transmission network element management system


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The Contractor shall carry out a full functional test of the elementmanagement system.

The Contractor shall also carry out any other tests that the S.O. considersnecessary to ascertain that the equipment meets the specification and isfit for the purpose for which it is supplied.

2.9.8 The S.O. reserves the right to witness any or all such tests. The responsibility forcommissioning the system rests with the Contractor.

2.9.9 At least 2 weeks notice shall be given to the S.O. that the equipment / system isto be inspected and tested in the factory or on site.

2.9.10 On completion of the tests, all test results shall be collated and bound and 3copies presented to the S.O., within 2 weeks. In addition, 1 complete set ofresults, in draft form shall be supplied to the S.O. before leaving the factory / site.

2.9.11 The equipment will only be accepted when all faults and discrepancies diagnosedduring the installation testing period and following commissioning have been

found and corrected by the Contractor to the satisfaction of the S.O.

2.9.12 All test documentation produced by the Contractor must meet the S.O.srequirements and conform to the standard laid down in BS 5750: 1987 standardor equivalent.

2.9.13 The system shall be compatible with the existing system installed at existingstations within the project area. System hardware and software shall be able tobe interfaced and driven from the existing NMS that has been installed in thisregion.

2.9.14 The contractor shall verify the existing equipment facilities installed at existingstations within the project site to be reused, upgraded and expanded for

incorporation as an integral part of the system in the Finished works under theContract.

2.10 Racking Installation

2.10.1 The Contractor shall specify the racking/cubicles in the proposal, with fullinformation regarding proposed layout. All equipment shall be clearly indeliblylabelled / sign written with a legend that uniquely and easily identifies it.

2.10.2 The Contractor shall be quoted for the supply and installation of the racking /cubicles necessary to contain the offered equipment and allow a minimum of 50%space for future expansion.

2.10.3 All cables shall be installed in a protected route, e.g., cable tray, under floorducts, conduit or trunking. The Contractor is responsible for the provision ofadditional mechanical structures required to support and protect the cablessupplied under the contract.

2.10.4 The Contractor shall supply and install all telecommunications wires and cablesbetween the equipment and distribution frames / shelves, all wiring associatedwith power supplies, both AC and DC and all wiring associated with earthing.


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Every cable must be indelibly labelled / sign written not further than 150mm fromeach end with a legend that uniquely and easily identifies its function, local andfar end connections. Factory terminated and tested cabled should be usedwherever possible to limit the possibility if faulty connections.

2.10.5 At all sites the Contractor shall connect the equipment to the main station earth

using cables conforming to BS 6004 having a minimum cross sectional area of25mm2 and sheath coloured green / yellow. The cable shall be properlyterminated using correctly sized insulated compression terminal, these are to bebolted to a suitable point on the equipment rack and the main station earth bus-bar.

2.10.6 Power supply wiring cables (both AC and DC) shall be of single core insulatedcopper conductors confirming to BS 6004. AC mains cables must carefullysegregated from all others by being insulated in separate (or divided) trunkingwhere conduits are not used. DC power supply cabling shall have the followingcolour code:

Positive (earth) - black

Negative - blue

AC power shall be taken from a local isolator or fused spur.

3.0 AUTOMATIC TELEPHONE SWITCHING EQUIPMENT (PABX), EXTENSION.

3.1 Requirements

3.1.1 New PABX equipment, already installed within the project area (as part of anation-wide railway communications network being implemented under aseparate project) shall be relocated and/or reused, as appropriate, and retainedas part of the Finished Works.

3.1.2 The Contractor shall examine and verify that the KTMBs network of integratedexchanges currently in place within the project site is sufficient to meet KTMBsoperational needs for the new electrified railway network. The Contractor shallupgrade or expand the KTMBs network of integrated exchanges if required.

3.1.3 As part of interim works, the Contractor shall be responsible to relocate: -

1) The existing PABX and ancillary equipment at stations to the new stationbuildings which will be built as part of Infrastructure Works, as required;

2) Telephones lines and telephone sets at the existing stations (or halts) to

interim and/or new buildings which will be built as part of Infrastructure Works.

3.1.4 Provision of new PABX lines complete with phone sets at new stations, halts,new railway offices, CTC office, ECR, railway quarters, new depots, workshops,TSL buildings, Feeder Station buildings, lineside cabinets and other locationsdesignated by the S.O as part of the System Contract.

3.1.5 Provision of interconnection between PABX to enable calls to be made to andfrom the following systems


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1) PAX type Signal Post Telephone System

2) Train Radio System

3.1.4 General

3.1.4.1 All telephone instruments shall be equipped with push button key pads (DTMFdialling).

3.1.4.2 The PABX shall be equipped with a single position operators console.

3.1.4.3 In order to determine whether the KTMBs existing network of integratedexchange is correctly sized (dimensioned) to meet the traffic flows it shall benecessary to carry out detailed traffic studies of both existing and planned trafficpatterns. This may involve artificial loading of the system. A copy of the studiesshall be forwarded to the S.O. as part of the Contractors Proposal to determineany upgrading of the P.A.B.X is required.

3.1.4.4 The equipment supplied must be type approved for connection to the public

network, shall comply with the relevant CCITT recommendations for a nationaltelephone service and shall be capable of interfacing with other equipment (i.e.mobile radio). PABX plug points / phones are required at: -

(a) Electrification Switching locations(b) Line-side cabinets including the way side maintenance technician panel.(c) North CTC office.

3.1.4.5 Before ready for service, the Contractor shall supply to the S.O. the followingdrawings and documentation inclusive of programming information:-

Three copies of diagrams, diagram notes, part / stock list specifications, operatinginstructions, engineering handbooks, remote diagnostic instructions, software

command manuals and one site log relevant to each system provided. This toinclude modems, battery chargers, batteries and all peripheral equipment.

3.1.4.6 It shall be possible for KTMB to reconfigure the PABX as an owner, operator,maintainer who will be in total control of its work.

3.1.4.7 In order to determine whether the proposed exchange is correctly sized(dimensioned) to meet the traffic flows it shall be necessary to carry out detailedtraffic studies of both existing and planned traffic patterns. This may involveartificial loading of the system. A copy of the studies shall be forwarded to theS.O. prior to the commencement of the detailed engineering design of theP.A.B.X.

3.2 Bringing Into Service (BIS) and Bringing Into Traffic (BIT)

3.2.1 The BIS date for the exchange equipment will be specified by the S.O.

3.2.2 The BIT date for the exchange equipment will be specified by the S.O.

3.3 Design Requirements


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3.3.1 For design purpose the distribution of traffic at an exchange shall be assumed tobe:

Local traffic 40%Long distance traffic 40%Traffic to/from the public network 20%

3.3.2 The capacity of the common modules such as processors, shall be large enoughto handle all the traffic up to the final capacity of the exchange without increasingthe blocking value which should be less than 20%.

3.3.3 The exchange shall contain all equipment, (including common cards), wiring andsoftware such that additional facilities may be used after the addition of therelevant card e.g. extension card, trunk card etc.

3.3.4 The exchange shall be capable of being extended to its ultimate size with nodegradation of service and shall contain the necessary processors, software andcommon equipment to contain expansion.

3.3.5 The call barring facilities shall include at least seven programmable categories asfollows:

(i) No restrictions, access to the public automatic network (national andinternational)

(ii) Access to the national public automatic network

(iiii) Access to the local public automatic network (long distance calls arebarred)

(iv) Access to the public automatic network possible only with the assistanceof the operator.

(v) Access to the public telephone network prohibited, (long distance andlocal calls within the KTMB network are permitted).

(vi) Access only to KTMB local telephone network (Long distance calls arebarred).

(vii) Closed user group i.e. restricted group access for Train Control extensionworking.

3.3.6 Access to the emergency numbers of the public network shall be provided forevery extension.

3.3.7 The transmission characteristics shall meet the CCITT recommendation Q.507.

3.3.8 The extension line interface in the exchange equipment shall match analogue ordigital extension equipment, as required, and fulfil the following requirements:

(i) Extension line circuits shall work without the use of externally mountedlong line units to telephone instruments terminated on physical cable pairsof up to nominally 2000 ohms loop resistance (including the telephoneinstrument).


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(iiii) The signalling system between the exchange and the connections for theTrunk Radio System shall be compatible (appropriate interface orconversion equipment to be provided). The Contractor shall also provideinterface equipment in the PABX for links to four (4) service radios at thebase stations.

(iv) The relays for different operations shall comply with the CCITTrecommendation Q.504.

3.4 Numbering Scheme

3.4.1 The new numbering scheme shall be proposed for KTMBs Telephone networkwhich will be divided different areas.

3.4.2 A national numbering scheme is to be proposed by the Contractor for K.T.M.B.

based on the ultimate capacity of voice telephone network as shown in fig. 1. Theexisting numbering scheme for the existing network in the K.L. area is shown infig.2.

3.5 Synchronisation

(i) A master clock is provided at the main exchange in Kuala Lumpur. Slaveclock throughout shall be synchronised to the master clock.

(ii) The slave clocks shall be able to run independently during a failure of themaster clock. In this case, the errors shall stay within the limits set in therelevant CCITT Q-series recommendations, during the repair time.

(iii) It is preferable that separate lines are not needed to provide thesynchronisation between exchanges.

3.6 OperatorsConsoles

3.6.1 Operator console shall incorporate to provide comprehensive information to theoperator regarding the current status in the exchange, including:

- calling, party numbers- extensions busy or free- calls on queue- alarm indications- incoming, calls, etc.....

The consoles shall include the equipment for collecting the billing information incase of operator assisted calls to public network.

Sufficient number of suitable chairs shall be provided for operators at the operatorconsoles.

3.6.2 A telephone concentrator system shall be provided for every of CTC operatorconsole.


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3.7 System Programme

3.7.1 The following requirements apply to the system programme:-

(i) The system programme shall include parts or modules necessary to

handle all the facilities mentioned in this Specification.

(ii) The programme shall be written in high level language and any changesto the system parameters (such as routing, extension numbers andfacilities) shall be capable of implementation by operator commands.

(iii) The programme shall be modular and it must be possible to add and clearany module without effect on other modules.

(iv) The programme shall also include the on-line diagnostics and statisticalroutines.

3.8 System Management

3.8.1 It shall be possible to manage and supervise the network remotely. The followingfacilities and equipment shall be provided at the exchange.

(i) V.24 type connections shall be provided for a maintenance terminal andfor a remote control modem.

(ii) A maintenance terminal. In addition to having a terminal at the exchange,it shall be possible to use a remote terminal at the maintenance centre,operating via the network. The main facilities required on these terminalsare: -

- control of the diagnostics programmes- collection of statistics and alarms- changing the extension facilities- changing the routing parameters.

(iii) The system shall provide reports on the traffic volumes, the busy hourdata and error reports in such a form that, normally, there shall be noneed of further processing of the statistical data.

3.9 Call Information Logging

3.9.1 The exchange shall be provided with call information logging, equipment torecord all pertinent data on every call from every extension, such as:

- calling extension number- time (and date)- called number- duration of call

3.9.2 The equipment provided shall be capable of producing bi-weekly or monthlyreports of such data for each extension, as well as statistical data on circuit


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utilisation (for example, total number and duration of local and long distance callsover the public network and

3.9.3 Within KTMB network, appropriate date for billing the extension user (ordepartment) shall also be available.

3.9.3 Call logging Formats / outputs required are:-

(i) 40 longest calls in one sheet. Calls to be sorted preferably in the order ofcall durations. Longest call on top.

(ii) 40 most expensive calls in one sheet. Calls to be sorted preferably in theorder of cost. Highest cost call on top.

(iii) Call summary by Divisions. Each division comprises of certain number(say 25) Departments.

(iv) Specified Call Number Reports. A Call Report listing out all call details tospecified number. The number selected is 600700 which could be

changed at the time printing.

(v) Departmental Reports on individual calls of more than RM X or Y minutes.The value X and Y need to be changed from time to time , however rightnow the values to be used are X=1 Y=20.

(vi) Extension Reports. Each PABX Extension shall have one report whichbegins in fresh sheet. It shall be possible to give commands to thesystem to print all Extension Reports within one department by a singlecommand rather than giving command each time an Extension Report isrequired. If there is no call recorded for certain Extension in the selectedperiod, the particular Extension report need not be printed out. (forHeads).

(vii) Time Checking Report. This report lists out call records at specified time(say 0100 hr. to 0500 hrs) in specified period (say 1/10/95 to 15/10/95).This report is required to confirm the clock used in the system is correct.(for Signal & Communication Department).

(viii) Cost table and house keeping (clearing if call records) must be passwordcontrolled.

3.10 Cabling and Wiring

3.10.1 All external connections for the exchange (such as extension lines, trunk linesand tie lines) shall be wired via distribution frames. The exchange side of adistribution frame shall be equipped with break jacks which enable the lines tobe isolated for testing. The distribution frames shall also incorporate over-voltageand surge protection devices.

3.11 Power Supplies


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3.11.1 The power supplies shall be derived from U.P.S. system. The operating voltageof the exchange equipment shall be 48 V d.c. (+/- 10%). Storage batteries andcharging equipment shall be provided to enable the equipment to operatenormally during a failure of the mains power supply.

3.11.2 The standby battery shall be capable of supporting the exchange load for a

minimum of 12 hours. The stand battery shall require minimum maintenance.

3.11.3 Physical size(s) of all power plants shall be supplied under the Contract. Powerplant shall be of end of suite or cabinetised type.

3.11.4 Manufacturer(s) of batteries and battery charges offered to be stated by theContractor.

3.12 Reliability

3.12.1 The system and equipment design shall ensure high reliability. The failurefrequency (long term average) shall be less than four failure per 100 extension in

use per year. Important parts which may cause a system failure shall beduplicated. Other methods can also be considered for preventing such systemfailures.

3.13 External Connections

3.13.1 The Contractor shall be responsible for the following External Connections to theexchange:-

(i) All Extension and Trunk connections. From the PABX to the MDF/IDF, tothe extension and trunk/junction connection.

(ii) All PABX power connections.

(iii) PABX and power alarms to the M/IDF and to the alarm monitoringfacilities.

(iv) Remote diagnostic facilities.

(v) Console Sockets.

(vi) Supply and connection to the telephones instruments.

(vii) PABX extension plug points capable of accommodating a portable fieldtelephone instrument shall be provided to all line side equipment casesand at al electrification switching points. One PABX number shall beallocated at each station or interlocking and adjacent half block sectionareas. Where lineside equipment is within 100 meters of an electrificationswitch or when electrification switches are within 100 meters of eachother, than duplication of these plug points is not required i.e. only oneextension plug point is required in the locality. All externally accessiblePABX extension points shall be weatherproofed.


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3.14 Maintenance Spares

3.14.1 The Contractor shall submit an itemised list of recommended spares giving costs.

3.14.2 The spares shall be supplied individually contained in electrostatic protectivebags or envelopes which will then be contained within good quality aluminium

protective transportation boxes with card slots.

3.14.3 Boxes will be labelled Quality Assured Spares.

3.14.4 A complete set of consumable spares shall be quoted for the exchange andclearly itemised in tender.

3.15 Earthing

3.15.1 All exchange cabinets, power cubicles, termination frames and associatedmetalwork shall be bonded to the main station earth.

3.16 Feature Phones

3.16.1 The Contractor shall give details of any feature telephones approved for use onthe equipment which give facilities such as:-

Extension line statusCalling line identificationSingle key reporter diallingSingle key feature accessHands-free working or on-hook dialling.

3.17 Facilities

3.17.1 The Contractor shall give details of any facilities extra to those available toextensions, trunks, consoles, or the equipment in general, and how thesefeatures may be programmed into the equipment.

3.17.2 The Contractor shall state any Technical Codes (numbers not forming part of thestandard numbering range) used or inserted into routing information for thepurposes of control or routing of calls in the network.

3.17.3 There shall be a short form dialling code (174) available for use by theElectrification Division staff to make direct contact with the Electrical ControlRoom, Kuala Lumpur.

4.0 PAX TYPE SIGNAL POST TELEPHONE SYSTEM.

4.1 General

4.1.1 A Signal Post PAX system shall be supplied and installed at all main runningsignals within the project site. It shall provide communication facilities betweenrailway staff along the track or at any other places where field telephone units are


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available with station master of adjacent station or the operator at the CTCcentre.

4.1.2 The Signal Post PAX system offered shall be fully compatible with the SPTsystem installed under the Rawang to Ipoh project.

4.1.3 The new SPT system shall be terminated on an Operators console at the stationcontrol panel. Each telephone connected to the system shall be identified by aunique description. It shall not be possible for the operator to converse with 2 ormore telephone users on the same system simultaneously, i.e. no conferencefacility.

4.1.4 The Signal Post PAX systems shall be linked to the CTC-central at Kuala LumpurSentral station, which will allow the CTC operator to call or to receive call fromany PAX extension when the stations are under the CTC control. The integrationand interfacing of the systems which may involve reconfiguration, modificationand/or upgrading of software/hardware, wiring, provision of new equipment at KLSentral station shall be part of the Contractors scope under the System Contract.

4.1.5 The Signal Post PAX system shall be linked to the main PABX systems inSeremban and Gemas, so that the CTC Operator/Station Master shall be able toconnect a PAX extension to any PABX extension if required.

4.1.6 A Signal Post PAX extension shall be provided at every signal where a train maybe required to stop, including shunt signals at sidings. However, in station areas,when adjacent signals are provided for parallel sections of track (for example,Starting Signals for main and loop lines), it shall suffice to provide a telephone foronly one of the signals (usually for the main line). Along the main tracks, everysignal shall be equipped with a Signal Post PAX extension except for two aspect(yellow/green) distant signals.

4.1.7 A Signal Post PAX extension shall be required at sidings entry/exit and at level

crossing.

4.1.8 The operator telephone console may be placed on the stations signalling controlpanel if permitted, comprises of the necessary push-buttons, indication lamps anda telephone hand-set. This telephone console may be installed on one side ofthe signalling control panel if allowed, and within easy reach of the operator. Theassociated switching equipment cabinet, if required, shall be installed either in thecommunication equipment room, or subject to approval by the S.O., in the roomwhere the control panel is installed.

4.1.9 The telephone sets to be installed on signal posts or at other designated placesshall be resistant to vandalism, theft and shall be contained in lockable andweatherproof cases, which may be unlocked using KTMBs standard carriagedoor key in order to gain access to the telephone. As an optional item, thetelephone set on the signal post will have a hands-free feature with push button,built-in speaker and microphone to replace the hand set. The caller from thisphone, will press the button to call and to speak to the nearest station or the CTCoperator, which ever one is in control.

4.1.10 Call sounder shall be easily heard at a certain distance from the telephone unit,so that any call been made to the PAX extension can draw the attention ofworking personnel near the signal.


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4.1.11 The weatherproof cases of the PAX telephones shall have durable bright orangecolour finish and marked with a T within a circle in black.

4.1.12 The PAX system shall not be rendered inoperative in case the telephone hand-set at one or more extensions has not been replaced properly after use. The

operator shall be able to call that extension. This feature is not required for thetelephone set at the signal post if a hands-free feature is to be provided.

4.1.13 The panel operator shall be able to call any extension by dialling the extension idand initiating a call sequence. The sounder at that particular extension shall thenring and communication shall be established as soon as the hand-set is lifted.The same call procedure shall be possible even if the hand-set not been replacedproperly at the extension after previous use.

4.1.14 The complete Signal Post Telephone system shall be designated to be able tooperate from the electrical power supply (from mains or form a standby dieselgenerator set) or, during a power supply failure, from an Uninterruptible PowerSupply (UPS) system.

4.1.15 The equipment supplied must be type approved for connection to the publicnetwork, which meet the CCITT recommendations for a national telephoneservice.

4.1.16 Before the system is ready for service, the contractor shall supply to the S.O. thefollowing drawings and documentation inclusive of programming information:-

Three copies of diagrams, diagram notes, part / stock list specifications, operatinginstructions, engineering handbooks, remote diagnostic instructions, softwarecommand manuals and one site log relevant to each system provided. Thisshould cover modems, battery chargers, batteries and all peripheral equipment.

4.1.17 It shall be possible for KTMB to reconfigure the PAX system as an owner,operator, maintainer who will be in total control of its work.

4.1.18 The proposed exchange at each station shall be correctly sized (dimensioned) tomeet the traffic flows which will be determined by the number of signals and otherrequired locations under the control of that stations. The proposal shall beforwarded to the S.O. before the procurement of the PAX system.

4.2 Bringing Into Service (BIS) and Bringing Into Traffic (BIT)

4.2.1 The BIS date for the exchange equipment will be specified by the S.O.

4.2.2 The BIT date for the exchange equipment will be specified by the S.O.

4.3 SystemRequirements

4.3.1 The requirements shall be provided but not limited to the followings:-

(a) System programme.(b) Supervising and managing system at terminal or remote.(c) Call information logging.


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(d) Cabling and wiring.(e) Power supply, including standby batteries (maintenance free) with charger for

a minimum of 12 hours backup capacity.(f) External connections to all extensions, trunk, power, alarm, remote diagnostic,

console socket, telephone instruments, etc.(g) Maintenance spares.

(h) Feature phones such as hands-free, single key access and dialling, calling lineidentification, extension line status, etc.

4.4 Design requirements

4.4.1 The capacity of the common modules such as processors shall be large enoughto handle all the traffic up to the final capacity of the exchange without increasingthe blocking value.

4.4.2 The exchange shall contain all equipment, (including common cards), wiring andsoftware such that additional facilities may be used after the addition of therelevant card, e.g. extension card, trunk card etc.

4.4.3 The exchange shall be capable of being extended to its ultimate size with nodegradation of service and shall contain the necessary processors, software andcommon equipment to contain expansion.

4.4.4 The call barring facilities shall include at least seven programmable categories asfollows:

(i) Access to the national public automatic network

(ii) Access to the local public automatic network (long distance calls arebarred)

(iii) Access to the public automatic network possible only with the assistance

of the operator.

(iv) Access to the public telephone network prohibited, (long distance andlocal calls within the KTMB network are permitted).

(v) Access only to KTMB local telephone network (Long distance calls arebarred).

(vi) Closed user group i.e. restricted group access for Train Control extensionworking.

4.4.5 Access to the emergency numbers of the public network is not required for everyextension.

4.4.6 The transmission characteristics shall meet the CCITT recommendation Q.507.

4.4.7 The extension line interface in the exchange equipment shall match analogue ordigital extension equipment, as required, and fulfil the following requirements: -

(i) Extension line circuits shall work without the use of externally mountedlong line units to telephone instruments terminated on physical cable pairs


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of up to nominally 2000 ohms loop resistance (including the telephoneinstrument).

(ii) The minimum value for the leakage resistance of the line shall be 25kohms. (This value refers to resistance of one leg in a star networkrepresentation of the leakage resistance between the line wires and

earth).

(iii) The transmission bridge shall be symmetrical with respect to earth andthe resistance shall be 2 x 400 ohms 10% with a nominal voltage of 48V d.c.

(iv) The exchange equipment shall block the extension line after certainperiod of off-hook condition without a selection being received. Thisperiod shall be between 10 and 20 seconds. Busy tone shall be sent tothe blocked extension.

(v) The recall facility shall be initiated by a momentary breaking of the linecircuit. An earth recall system shall not be accepted.

4.4.8 It shall be also possible to connect individual extensions (digital or analogue) tothe exchange equipment via the PCM transmission system, when the distanceare too great for the extensions to be served directly via cable connections. Theappropriate interface for such applications shall be provided on a ratio of 1:4extensions.

4.4.9 The trunk line (and tie lines) for the KTMB network shall be connected via PCMtransmission equipment.

4.4.10 The interface for the trunk lines shall meet the CCITT recommendation G.734 for2 Mbit/s primary block.

4.4.11 The required connections to the public network, including their electricalcharacteristics and signalling methods, shall be investigated by the Contractorand provided as required.

4.4.12 The following requirements apply for signalling over the network:-

(i) The network shall operate with the national R2 signalling method, and complywith the CCITT recommendations Q.400 to Q.480.

(ii) The line signalling should be the digital version for national use (CCITTrecommendation Q.421 to Q.424).

(iii) The signalling system between the exchange and the connections for theTrain Radio system shall be compatible (appropriate interface orconversion equipment to be provided).

(iv) The relays for different operations shall comply with the CCITTrecommendation Q.504.

4.5 Reliability


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One arrival and one departure board of 8 rows. This display shall beprovided at major stations. It should be able to used as a full display foradvertisement or message when is required. The location of the boardsshall be decided on site by the S.O.

(ii) Type A2 Display

A full matrix board using LEDs for outdoor consisting at least made up of5 rows per display board. These displays shall be provided in the waitinghall of station. It should be able to used as a full display for advertisementor message when is required.

(ii) Type A3 Display

A double sided full matrix board using LEDs for outdoor consisting at leastmade up of 4 rows per display board. These displays shall be on the

platforms of stations and halts. It should be able to used as a full displayfor advertisement or message when is required.

5.3.2 On-line, real-time and automated Centralised Clock System comprising theMaster Clock at the Centralised Traffic Control (CTC) Centre and slave clocks atremote stations. The clocks at station shall be provided in the following form:

(a) One double sided full matrix display of 2 rows consisting of 8 charactersper row (the board size shall be like 792mm x 312mm).

(b) In a digital form.

The Contractor shall take note that additional clock display (Type B) may berequired to be provided in stations and halts.

5.4 The display of wrong information due to any failure shall be avoided. As far aspossible, the display units shall be made to show a blank indication under failureconditions.

5.5 On-line, real-time (life) and automated Long Line Public Address (LLPA) Systemshall be provided at all stations and halts. The LLPA should be capable ofoperating in either a stand-alone mode at the station or from CTC office in KualaLumpur Sentral station.

5.6 The operator from the Central Workstation located at the CTC Office shallsupervise, monitor, control and diagnose the operations of the above facilities.Another standby workstation having identical facilities as the Central Workstationis provided as a functioning backup.

5.7 The Works


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5.7.1 The outline requirements for each station are Display Board (type A2 and A3),stand alone P.A. system with background music, LLPA Control Station etc. shallbe submitted as part of the Contractors Proposal.

5.7.2 The equipment and materials required for the PI System supplied by theContractor for the area referred to shall included all indoor and outdoor

equipment, cabling, trunking, ducting outdoor protection etc. and all other itemsnecessary to operate, commission and maintain the PI system.

5.7.3 The scope of work shall also include the preparation of all drawings, includingcircuit plans and wiring diagrams, cable plans and working drawings, all finaldrawings (as built) relating to the indoor/outdoor equipment, systems andmaintenance manual.

5.7.4 This 25Kv electrified double track sector is in the region with a high incidences ofsevere electrical storms. Adequate protection against damage to, or malfunctionof the system due to lightning strikes or high voltage or current transients shall beincorporated (The lightning activity here is about 200 days per year).

5.8 Power Supply

5.8.1 Commercial mains power supply of 415 Volts, 50Hz, three phase and 240 Volts,50Hz, single phase will be available at all stations and halts respectively. The P.I.system shall be designed to operate from one phase of this power supply. TheContractor shall however supply and install all power outlets, ducting, race-ways,cabling to the mains and any other item necessary to supplement those alreadyprovided but found to be inadequate. The works shall be included as part of theContract.

5.8.2 Commercial single-phase power supply is available at all the stations and halts.The Contractor shall furnish requirements for power outlets, ducting, raceaways,cabling infrastructures and any other items necessary for incorporation by the

Infrastructure Contractor.

5.9 Station Buildings

The Contractor shall identify the location of the PI equipment subject to S.O.sapproval. For the purpose of this contract internal / external wiring, trunking etc.from the station equipment to al slave units shall be deemed to be included in thecontract cost.

5.10 System Architecture

(i) A Central Control Unit (CCU) shall collect data by interfacing othercomputer based Railway Operating Systems. The unit processes thedata, initiates, disseminates and controls the displays and messagesthroughout the sector.

(ii) The local system at individual stations shall manage all activities of thestation and adjacent halts. It receives from the CCU system, data relatedwith the train movements and distributes the information to the displayboards and Public Address systems.


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(iii) The connection of the stations to the central system shall be through theKTMB fibre optic system, local connection to the P.I. system includingdisplay illumination shall be provided by the Contractor.

5.11 Central Control Unit (CCU)

5.11.1 The central system consists of the Central Control Unit (CCU). This is located inthe Centralised Traffic Control where all the control and monitoring functions areperformed.

5.11.2 The CCU is connected to the CTC Signalling/ Train Describer systems and Radiosystem via dedicated lines using Transmission Control Protocol Inter-NetworkProtocol (TCP/IP) or a protocol offering superior functionally.

5.11.3 The CCU forms the hub of one or several data networks. Management andcontrol of all communication for P.I. is provided. Great care is taken to ensureonly accurate, timely information is passed to sub systems.

5.11.4 The CCU will allow the following functions to be performed: -

(i) Providing a permanent operational database containing current traindetails and positions with up to 500 trains on different circulation routes.

(ii) Managing database of operational train according to the current statusand locations data.

(iii) On-line manual updating of records on the operational and train statusfiles.

(iv) Viewing the current train operating patterns at any station or halt by CTC

or local panel operator. The local panel shall be of VDU type.

(v) Modifying the system operational parameters by the authorised operator.

(vi) Create diagnostic reports, showing all alarms and current status of the P.I.transmission network and peripherals. Deliver edited reports toauthorised terminals.

(vii) Indicating and controlling in real time the status of all peripherals.

(viii) Provide layout and display editing and logo generation facilities.

(ix) Provide information editing, formatting, addressing and control facilities.

(x) Provide comprehensive communications handler functions andmanagement facilities.

(xi) Access the timetable data held in the Train Describer System.

5.12 Local Control Unit (LCU)


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5.12.1 Local Control Unit in the form of VDU shall be provided at station for functionalrequirements to operate the passenger information system displays and the localand long line P.A. system.

5.12.2 The LCU shall be designed in such a manner whereby under a fault condition atthe CCU and/or the transmission network, the link is disconnected and the LCU

shall continue to provide all P.I. facilities. On failure of the Central PIS Unit orCommunication link, the LCU shall continue to function on a timetable basis,editable as necessary by local staff.

5.12.3 Any equipment or system failure at a station or the associated halt shall not affectthe normal operation of the other stations, halts or the CCU.

5.13 Networking Features

5.13.1 The system component is connected together by local area networks (LAN) toenable the devices on the networks to communicate with one another.

5.13.2 Each local area network shall include gateways, e.g. bridges, routers or hubs,

networking boards, cables and any other equipment and software necessary forthe system. Ethernet is the connection currently used.

5.13.3 The local area networks are then interconnected to form a wide area network(WAN). The Contractor shall propose a suitable system that is capable ofinterfacing the transmission network. The Contractor shall provide all additionaltransmission equipment and the necessary peripheral equipment to operate theP.I. system.

5.13.4 The transmission at 64Kbit/s over dedicated channels is used.

5.13.5 The system offered shall be resilient, robust and easily maintained. It will makeefficient use of the KTMB transmission network. The Contractor shall included

details of all fault management facilities provided.

5.14 Software

5.14.1 The existing software shall be suitable modify and tested to accommodate thenew extension.

5.14.2 The application software is be based on a real time, multi-user, multi networkingoperation system to provide a large computer system environment for IBM PCand compatibles.

5.14.3 The software package used in the P.I. system consists of a number of basic, well-structured modules, such as system operating database, off-line datapreparation, engineering diagnostics and system configuration, software modulesetc.

5.14.4 Facilities provided within the software includes the following:-

(i) Real time clock and calendar and synchronised to othertelecommunication/signalling systems.


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(ii) System status page showing current status of the display and informationsystem.

(iii) Storage and management of audio announcement and other data to theremote LCU.

(iv) Train delay information message handling system

(v) Special notice creation, storage and dissemination for display on videoscreens and display boards.

(vi) Deletion, cancellation and possible retrieval of any given train information.

(vii) Management of operational database and files.(viii) Generation, distribution and control of all P.I. displays and P.A.

announcements.

(ix) Logo and display layout generation.

(x) Ensuring all information is complete and accurate.

(xi) Management of timetable data form the Train Describer System.

(xii) Remote interrogation handling.

5.14.5 The CCU system gathers and computes the details of trains for P.I. system toboth the operator and the public which includes but is not limited to the following:-

(i) Origin and destination stations (up and down directions) from the TDsystem.

(ii) Types of trains

(iii) Compute the expected time of arrival and / or departure using currentrunning details.

(iv) Recorded announcement and display message formatting.

(v) Train describer system data.

(v) Special commands.

(vii) Timetable information.

5.14.6 The off-line data preparation packages shall be well-design to be used for thepreparation or amendment of the database to permit operational data alterationsby traffic operators with minimal training.

5.14.7 A disc management regime shall be adopted for data protection to ensure currentbackup copies are available in case of failures. The methods of back-up andreplacing data at LCU shall be included. The Contractor shall describer theprocesses involved in meeting this requirement and advise on operational datapreparation processes.


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5.15 Connection to Signalling System

The connection between the units of P.I. CCU and the Signalling / TrainDescriber / Radio Systems uses dedicated direct lines within the CTC relay room.

5.16 Display Board

5.16.1 Information concerning the arrival and departure of trains are displayedthroughout the station. Two display boards per platform are required unlessotherwise stated. Arrival boards are required at terminals. Quantities and finallocations of display boards are to be decided by the S.O on site.

5.16.2 All displays shall have a character height and width of not less than 65mm and39mm respectively. It shall have a viewing angle of not less than 50 degrees.The reading distance shall be not less than 35 metres. This must be in all normallight conditions by a person with average 20/20 eyesight

5.16.3 The physical structure of the Type A2 single-sided display boards shall be such

that the units are mounted on the walls of the station and/or it can be suspendedfrom the ceiling. The number of rows on the type A2 display board shall reflectthe number of platform faces.

5.16.4 Requirement of Type A3 double -sided display boards.

(i) The physical design of Type A3 display boards shall be such that the unitscan be suspended by the Contractor from the stations ceiling or on astanding alone mast with shelter. The design of which shall be approvedby the S.O.

(ii) Sufficient display lighting shall be provided on both sides of the A3displays. The 240V 50Hz power source shall be from the station

emergency supply under power failure condition. The Contractor willprovide all connection to the supplies.

(iii) The lighting intensity shall be controlled automatically. The Contractorshall also provide a switch in the station master office to disable thelighting power supply under failure conditions.

5.16.5 The clock indication displayed on Type A2, A3 and / or B boards shall bedifferent in colour and size from the train display.

5.16.6 All displays of the P.I. System, visible to the public shall not be used by theContractor for the advertisements of any brand names, product, logos andtrademarks. Any advertisements for the above if so desired by the Contractorshall be subjected to the prevailing terms and conditions of KTMB.

5.17 Reliability and Expansion

5.17.1 The system will be highly resilient and provide accurate, timely information at alltimes. The Contractor shall state all provisions made to ensure reliability andusability. Details to access the facilities for cleaning and maintaining the devicesshall be clearly stated. The anticipated frequency of such maintenance, cleaningand the actual work required shall also be stated.


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5.17.2 The P.I. system will support and drive the various display types and PublicAddress (PA) systems detailed in this specifications. The Contractor must alsoshow that other types of displays can be supported such as VDUs.

5.17.3 The Contractor shall clearly indicate the proposed methods to access, clean and

maintain the boards including all precautions required due to the overhead 25kVtraction system.

5.18 Centralised Clock System

5.18.1 The Primary master Clock is located in the CTC Centre with the provision tosynchronise with the Malaysian standard time. It will also provide a formattedoutput message to other computer base system such as CTC, Train Describeretc. All these systems synchronise with the Primary Master Clock.

f. Tech. Specifications _166-216

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Transcript of f. Tech. Specifications _166-216