94111450 Operation Maintenance Training Rev2 1 Part 1 2

8/19/2019 94111450 Operation Maintenance Training Rev2 1 Part 1 2

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The New Shape of Broadband Wireless Networks

Ceragon Networks (India) Pvt. Ltd.


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Technical Overview


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Company at a Glance

Founded: August 1996

Commercial Ship: Octoer 199!

"#O: August $%%%

&ead'uarters: Tel Aviv( "srael)irmingham( *+

,ew -ersey( *SA

&ong +ong

.atin America O//ices: Germany( France( 0ussia( "ndia

eployments: 6% countries 2 16% customers


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3ersatile #roduct .ine

1641ST51$7ST51ST58

6 !G&

16 $ 1$! ;A5 on single O*

*ni'ue Features

S& 2 SO,4T 2 AT5 2 "# < All in one 0adio "ntegrated A5

)est AT5 per/ormance on the mar=et

FieAir at a Glance


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Family


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Management

Station

In-Door Unit

(IDU)

Out-Door Unit

(ODU)

Antenna

FieAir #roduct


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"* < "n oor *nit

Compact( 1>? wide( 1*high unit

16;A5 5odulator < FieAir1@%%

$;A5 5odulator < FieAir8@%

1$!;A5 5odulator < FieAir1@$!

Full/unction S&2SO,4T 0egenerator 2 5ultiple7er

5ost #opular "nter/aces Are Supported

5anages local and remote units

Front #anel Alarms and "ndicators


8/107

Main Channel

Wayside Channel

User Channel

155/100 Mbps

2 Mbps

64 Kbps

MUX

Modulator IF Card

Cable

Cobiner

Coa! Cable

I"U Controller

#M$ % &thernet % $'I(/(((

(o)er $upply%4* +"C

"eodulator

&!ternal ,lars

"* )loc= iagram


9/107

ST51 B4lectrical( optical S5255

7 42S

$ 7 Fast 4thernet

1 7 1%%5ps D 1 7 @%5ps

$ 7 dynamic andwidth

Fast 4thernet D !7412T1

$ 7 42S D !7412T1

!7412T1 D !7412T1

5ain Channel "nter/aces


10/107

O* < Out oor *nit

Spectrum 4//icient:

FieAir1@%% @%2@6 5& andwidth

FieAir1@$! < $! 5& andwidth

Full and /re'uency tuning range Busing the ,5S

3ery high sensitivity

4asy to install and maintain

Same O* supports 16;A5 and 1$!;A5 "*sE


11/107

Coa! Cable

,-C

Cable

Cobiner

.X Conerter

X Conerter 140M

350M

X%and

$ynthesier

.ranseier

MMW Conerter

,p

7"U Controller

(o)er $upply

,-C +olta8e

eadin8

93%4-

93%4-

911-

O* )loc= iagram


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FieAir1@$! Speci/ications


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S& ,etwor= Segments

S!

Ter"inal

#$ltiple%er

S!

Ter"inal

#$ltiple%er

S!

&dd ' rop

#$ltiple%er

S!egenerator

T r i b $ t a r i e s

T r i b $ t a r i e s

S!egenerator

C

&sse"bl*

C

isasse"bl*

Path

#$ltiple%er

Se+tion

#$ltiple%er

Se+tion

egenerator Se+tion egenerator Se+tionegenerator Se+tion


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The Truc= Analogy


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(ayload

+irtual Container

$7

M$7

0$7

The S& Frame


16/107


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&, &, &, &- &- &- /

0,

1

B,

,

2,

-

!, !- !1

B- 3, 3-

,

B1

C-

4,

0-

!5

01

31

N,

5

6

,/

S,

7

8, 8-

9

,,

:

;

,-

#, 2-

0e8enerator

$7

Section Over &ead

,U%4

(ointers

Multiple!er $7

(ath

7


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0egenerator SO& ytes

A1( A$: Frame alignment pattern -%: "denti/ication

)1: ;uality monitoring( parity ytes

41: Orderwire Channel

F1: *ser 3oice Channel

1: CCr ata Channel B5anagement 19$ +ps

RSOH

MSOH

< <


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&1&: A* #ointers B#ayload #ointers )$: ;uality monitoring( parity ytes

4$: 3oice channel

+1( +$: Automatic protection switching BA#S control

S1: Cloc= 'uality indicator

51: Transmission error ac=nowledgement

81$: CCm ata Channel B5anagement @>6 +ps

RSOH

MSOH

< <

5ultiple7er SO& ytes


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=C>1?ST#>,

1D1 &ot Stand)y #rotection .ess than @% mSec switching time Switching criteria < .OF( )40( 47ternal 5aster25aster( 5aster2Slave( Slave2Slave Scalale architecture

1D1 #rotection


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1 D 1 &ot Standy

The system is douled on oth .ocal and 0emote ends

One unit on each end is active B5aster? while the

other is standy BSlave?

5aster transmits and receives data

Slave only receives data

"ntermate *A0T cale allows negotiating the mastery and

data e7change etween units

One or Two antennas per site

On a /ailure in an active unit or a command /rom the

remote side( 5aster Switch will occur Bredundant unit

will ta=e over activity

Switching time: less than @% mSec


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#rotected hat FromH

1D1 con/iguration protects the main lin= /rom a

hardware or radio /ailure in one o/ the units on .ocal(

0emote( or oth ends

oes not protects /rom coincident /ailures in oth units

on the same end

.in= sel/recovery once /ailure cleared2corrected

,o protection /rom /ading

.in= sel/recovery once /ading cleared


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#rotection Triggers

.oss O/ Frame on the radio o/ the 5aster unit /or 1 mSec

.oss O/ Frame on the line o/ the 5aster unit /or 1 mSec

Change Transmitter? command /rom the remote end

O* cale disconnection

#ower down or manual reset in the 5aster

5anual switch Busing the ,5S

47cessive errors 47ternal Alarm


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#OSA5

#OSA5 < #rotected O* Single Antenna 5ount

Antenna is mounted to the pole Two O*s connected to the #OSA5

#OSA5 is mounted directly to the antenna

Antenna has to have Ceragon antenna inter/ace

"nsertion loss: main path Bo/ Coupler < $d)

secondary path Bo/ Coupler < >@d)

B$ilt>in

:dB Co$pler

Interfa+e to

antenna


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#O0A5

#O0A5 < #rotected O* 0emote Antenna 5ount

Antenna is mounted to the pole Two O*s connected to the #O0A5

#O0A5 is mounted to the pole

#O0A5 is connected to the antenna using /le7ile waveguide

Antenna has to have standard antenna inter/ace Bwaveguide

"nsertion loss: main path Bo/ Coupler < @d)

secondary path Bo/ Coupler < 9d)

0le% wave>g$ide

+onne+tor

B$ilt>in

:dB Co$pler


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"nstallation "ssues

#rotection cale and .ine splitters are part o/ the#rotection +it

Availale splitters: C5"2),C /or electrical ST51( S or

4I S5 and 55( SC or ST connectors /or optical ST51(

552SC /or optical Fast 4thernet( spliced 0-8@ cale /orT1241 alanced

&u should e used /or connecting the management ports

o/ the two "*s

IMPORTANT!

o not plug 4thernet cale to the #rotection port o/ the "*E

"t will damage the #rotection port and the protection might

not /unction


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2ast @ 0iber

2%ternal Clo+k

West @ adio

9%2, per "od$leA total ,:%2,

Line

FieAir 1@%%A21@$!A

Two ST51 Aggregates: 0adio and .ine

0adio < , TypeI .ine < Optical short2long haul *p to 16 41s in single "*

*p to $ 41s in doule con/iguration B$ 0adio Aggregates

Support o/ #ath #rotection method

Synchroniation: 47ternal( .ine( Triutary( "nternal( Through


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FieAir 1@%%A21@$! S& 0ing

STM-1

16 * E1


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#ossile Site Con/igurations

Line

0ibe&ir ,7//&?,7-9&@ ,:%2, adio Line egD0ibe&ir ,7//&?,7-9&@ 9%2, adio adio

egenerator

o$ble 0ibe&ir ,7//&?,7-9&@ 1-%2, adio adio

Line

o$ble 0ibe&ir ,7//&?,7-9&@ 1-%2, Line > Line

Line


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"nstallation and Setup Overview


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"nstallation 0e'uirements "*

5ust e located indoors

4nvironmental conditions B@ C to D8@ C

4asy accessiility( only y authoried personnel

#ower supply B8!3dc

4thernet or telephone management connection availale

,ot more than %%m /rom outdoor unit location


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As /ar as possile /rom current2/uture ostacles

Btrees( uildings

4asy accessiility /or maintenance

Good grounding( lightning rod

"nstallation 0e'uirements O*


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Typical Antenna 5ounts

1+0

2+0


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8!3dc #ower supply J Amp B8%@ to $ 3dc

#ower Supply can e used

0ecommendedE

Availaility o/ *ninterrupted #ower Source B*#S

or )attery )ac=up

"nstallation 0e'uirements #S*


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:%; :-#";:;-#" to the ra<

and to &arth

:9; :0; :-#";

&C =$tlet

:9; :0; :-#";

-#" to the ras

hassis

and to &arth

:%;:;:o;

:hassis;

($U

,C ord

"C

onnetor

short

C =$tp$t

short-#" to

the ra<

and

to &arth

C&ETI=N FFF$hortin8 the :%; to the :-#";

)ill daa8e the I"U>s internal

($U

#S* Connection


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Cale speci/ications:

ma7 attenuation o/ % d) at @%% 5&

0ecommended:

0G! B)elden 991 up to %%m

0G$$ up to 1%%m

Cale should e terminated with K,L type male

connectors 3eri/y innerpin o/ connector does

not e7ceed edge o/ connector

Connectors should e closed y hand only

"nstallation 0e'uirements Cales


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"nstallation Steps

"nstall antenna and O* on site A

"nstall "* on site A

Con/igure the "* on site A Busing &yperTerminal

0epeat the aove on site )

Align the antennas

3eri/y lin= operation M per/ormance


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Antenna "nstallation

"nstall antenna on pole according to attached instructions 3eri/y secure installation

Aim antenna to other end o/ the lin=

*se telescope or compass /or rough alignment i/

necessary


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O* "nstallation

Connect O* to the antenna( using 8 latches Connect "F coa7 cale to O*

Tight connector y hand only Bno toolsE

K,L type Connectors should e waterproo/ed and sealed

Connect O* earth point to suitale roo/top earth

3eri/y correct polariation

&andle on top < 3ertical polariation&andle on the side < &oriontal polariation

IF CableGrounding

Latches


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IF Cable

"* "nstallation

"nstall "* in rac=2cainet19? and 4TS" mounting rac=ets provided with "*

Connect "F cale to the "*

Tight connector y hand only Bno toolsE

Connect "* grounding point to clean station earth

Grounding cale provided with "* Connect


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IF Cable

"nstallation #ics

IDU Grounding

DC power

Antenna mount

ODU Grounding


42/107

&yperTerminal Con/iguration


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)aud 0ate: 19,200 #assword: ceragon

&yperTerminal )asic Setup

Set the desired /re'uency channel

Set the transmitter power level

Assign "# addresses


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Factory e/ault Settings

FieAir terminal de/aults /actory con/iguration:

T7207 /re'uency /irst channel o/ suand

Transmit power < D1@d)m

Transmitter mute < o// BO* transmits

4thernet management "# Address 19$16!11

Serial management "# Address 19$16!%1


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Go to the other site

Second Site "nstallation

"nstall the second FieAir terminal

Con/igure the "* using the &yperTerminal


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,iuth ad?ustent

&le/ation ad?ustent

Antenna Alignment B1

Connect the headset to AGC monitor ),C connector on O*

AdNust antenna Aimuth M 4levation( one end at a time( until

you get the ma7imum tone level

Connect igital 3olt 5eter B35 to the AGC ),C connector

Align the antenna until voltage reading is achieved Between

1>vdc M 1$vdc

0epeat antenna alignment at each end until the minimum dc

voltage is achieved

1%vdc %d)m18@vdc 8@d)m16%vdc 6%d)metc


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Antenna Alignment B$

Compare achieved receive level to calculated receive level +eep aligning until the achieved level is up to 8 d) away /rom

the calculated received signal level

"/ voltage reading is more than 8 d) away or higher than

1>vdc( roughly realign antenna to remote site


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(lease re@er to the AFibe,ir Coissionin8 and ,55eptan5e (ro5edureB do5uent @or detailed in@oration

Commissioning and Acceptance

.in= is up B.OF and )40 .4s are green All .4s are green Bunless no input signal on the .ine

0S. is up to D2 8d) /rom un/aded Bcalculated 0S. at oth

ends o/ the lin=

4O uer and voice is wor=ing /rom oth ends o/ the lin=

0adio )40 1%411 or etter

,o 4rrors on )40 test o/ line inter/aces: S&2SO,4TAT5Fast 4thernet42S

412T1 #roper /unction o/ management so/tware

All loopac=s /unction properly


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"nstallation &aards

5a=e sure that the mast assemly is secured and

properly grounded

Try to install the lin= on a nonwindy day

)e care/ul not to /all when wor=ing on heights

*se sa/ety accessories( as harness and hardhat

atch out /or overhead power lines

o not use metal ladder


50/107

Trun= 0adio


51/107

Ceragon Trun= 0adio

Split mount Compact

Cost e//ective

Support /re'uency and space diversity

&itless( 4rrorless switching


52/107

47ternal iple7er O*

"iple!er

Wa/e%-uide Conne5tor

Mountin8 ra5


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Split 5ount Advantages

4'uipment wagon can e located /ar /rom the antenna

Simple coa7ial cale etween O* and the "*

Fre'uency replacement /le7iility

Cale resistant to /ield conditions

Fast deployment o/ O*( "* B1* and the cale etween them

5inimal cale attenuation compared to /le7ile waveguide

.ight weight and low power consumption

IDU

Coaxial Cable

ODU

300m

Ce agonLs 62>2! G& 0adio


54/107

CeragonLs 62>2! G& 0adio

5any standards BF%( T707 Spacing

Separate synthesiers /or T7 and 07 allow various

T707 spacing

Same O* /or all and B6( >( %r !G&

Same O* /or T7&igh and T7.ow orientation o/

diple7er on O* determines T7&igh or T7.ow

.in= can reach 1%%+mE

O* "nstallation


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O* "nstallation

0emote 5ount? O*

O* connected to a plate( plate is attached to the pole

using mounting rac=et BAndrew +it?( diple7er

connected to the plate using screws

aveguide connector < #0!8 B#0>% also availale

Availale waveguide:

Fle7ile waveguide

#rovided with each O* B1$m( %6d) loss 4lliptical waveguide Btypical loss %d)21%%m


56/107

iversity asic concepts

Fre'uency iversity*ses the nature o/ /re'uency selectivity o/ the multipath dispersive

/ading

Space iversity

Two antennas vertically separated at the receiver tower so only one

o/ antennas is located in a power minimum

Angle iversity

)ased on slightly di//erent angles o/ arrival o/ the indirect delayed

waves and the direct wave

Space M Fre'uency iversity

A comination o/ the aove /re'uency and space diversity techni'ues


57/107

5&S) and S


58/107

F and &

l


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Angle iversity

FieAir1@$!


60/107

Consists o/ two FieAir 1@$! lin=s connected togetherthrough a protection cale and a &itless switch

&itless &otStand Con/iguration

!itless Swit+h SC?""?,1//

!itless Swit+h SC?""?,1//

! i t l e s s

+ a b l e

P r o t e + t e d

+ a b l e


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&itless )loc= iagram

Ceragon Advantage:

,o single point o/ /ailureEEE


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&itless System Overview

4nhancement o/ the FieAir 1@$! &otStandy

Con/iguration

&itlessEEE

,o errors during the switch

4rrorlessEEE

,o errors to the user e/ore the switch

ata o/ etter 'uality is delivered automatically to the user

0eceiver 5odemLs parameters are used as criteria /or

activating the switch

Supports Space and Fre'uency diversity

S h


63/107

Switching criteria

The modems o/ the two "*s are connected using the

&itless Cale?

#rimary

F4Cased decision to determine the path with noerrors

Secondary

5ean S'uare 4rror B5S4

"/ oth F4Cs detects errors( the path with less errorswill e selected

*sing $%uSec u//er( no errors even e/ore the switch

Space iversity


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MU.&

XM.0 , 0C+ ,

XM.0 4 0C+ 4

"ata out"ata in$pa5e

$eperation

One transmitter is used( the other in 5*T4 mode

The receivers are connected to two antennas physically

spaced apart B1%%Ls o/ wavelengths

The spacing determines the delay etween the two

receivers The physical separation should e %m Based on the

re'uested improvement /actor

Typically( 61@m

Space iversity

Fre'uency iversity


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XM.0 , 0C+ ,

XM.0 0C+

"ata out"ata in

F1

F2

Two transmitters are used( oth in normal operation

connected to one antenna Bwith splitter or two antennas

The two receivers are connected to one antenna Bwith

splitter or two antennas

The /re'uency determines the separation etween thetwo receivers

F5 is /re'uencydependant there/ore using two

/re'uencies Bthe /arther they are the etter

Fre'uency iversity

F vs S


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)oth solutions protects against /ading and &2 /ailures

F is more e7pensive solution <

two channels are re'uiredE

S is more e//ective < improvement is more signi/icantE

F vs S

ST5 1 &itl #h i l 3i


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ST51 &itless #hysical 3iew

.ocal and 0emote management access

"nstalled inter/aces

0ealtime .4s display

&itl C /i ti


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&itless Con/iguration

#rotection con/iguration

0adio2.ine .ossO/Frame

47cessive )40

47ternal alarm

Single or ual .ine output

&itless con/iguration

&itless enale2disale

Space or Fre'uency diversity

,onrevertive or revertive mode with

&oldo// time


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5anagement and "# Setup

5 t S l "# , t =


70/107

5anagement Sample "# ,etwor=

Internet

Cloud

&thernet

Fibe,ir1500

"e@ault outer

I4MCopatible

'aptop oputer

Wor


71/107

For the installation phase( it is recommended to connect to

the "* using the de/ault settings:

For 4thernet connection

"*Ls 4thernet "# address: 19$16!11( 5as=: $@@$@@$@@%

Bdo not change the de/ault settings

Con/igure laptopLs 4thernet "# address to: 19$16!11%%(

5as=: $@@$@@$@@%

"* and laptop are on the same sunetwor=

Connect the laptop to the "* using cross4thernet cale

.aunch Cera3iew and veri/y that you can connect to the "*

5anagement < "# Con/iguration B1

5anagement "# Con/iguration B$


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For Serial BS."#2### connection

"*Ls Serial "# address: 19$16!%1( 5as=: $@@$@@$@@%

"*Ls Serial con/iguration: ### protocol( !8%% aud rate

Bdo not change the de/ault settings

"nstall S."# drivers and con/igure ialup adapter on laptop to

"# address 19$16!%1%%( 5as=: $@@$@@$@@%

Baccording to instructions in the *ser5anual

"* and laptop are on the same sunetwor=

Connect the laptop to the "* using serial nullmodem cale

Connect to the "* using dialup adapter

.aunch Cera3iew and veri/y that you can connect to the "*

5anagement < "# Con/iguration B$

"n)and 5anagement


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Transport element management in/ormationseamlessly and simply throughout the networ=

"n )and 5anagement

The Solution


74/107

5anagement in/ormation is carried in the SO,4T2S&

/rame Bover the 0adio and over the .ine

Full management solution: can carry management

in/ormation o/ any "#ased e7ternal e'uipment

Topologies:

0ings

1D1 &otStandy

Cascaded lin=s and moreP

The Solution

1 CCr to 0adio and .ine


75/107

5ost e//icient

SO,4T2S& and AT5 networ=s

5anagement networ= transparent within the OC 2 ST51.ine

Important! 47ternal e'uipment must not alter the CCr ytesE

$ CCr to 0adio Only


76/107

5anagement is transmitted only to the 0adio side

SO,4T2S&( AT5 and "# networ=s

oes not rely on A5 processing o/ CCr ytes

Simple crossover 4thernet cale used to connect

management at each site

y

5anaging 47ternal 4'uipment


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Allows management o/ e7ternal e'uipment Bsuch as

A5s( Switches( other radio e'uipmentP 5anagement in/ormation to the rest o/ the networ= is

directed to the management 4thernet port and then to

the &*)

&!ternal

&uipent

&!ternal

&uipent

g g ' p

&ow oes "t or=H


78/107

The "* chec=s each received "# pac=et:

estination "# address o/ pac=et "# address o/ "*

"* will pass pac=et to its own "# port /or /urther#rocessing

estination "# address o/ pac=et ≠ "# address o/ "*

"/ pac=et arrived /rom within the ring Sent to the other

side o/ lin=

"/ the other side o/ the lin= is down( pac=et is returned to its

originator

"/ pac=et arrived /rom outside the ring or /rom the "* itsel/

#ac=et is sent to the radio side

"/ radio side is down Forward to the line side

)asic "# Theory


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y

"# Address : 19$16!119 Bdec 11%% %%%% 1%1% 1%%% %%%% %%%1 1%%% 1%11 Bin

5as=: $@@$@@$@@$8% Bdec

1111 1111 1111 1111 1111 1111 1111 %%%% B8 eros mas=

"# addresses on the same sunet:

11%% %%%% 1%1% 1%%% %%%% %%%1 1%%% %%%% B19$16!11$! to

11%% %%%% 1%1% 1%%% %%%% %%%1 1%%% 1111 B19$16!118

The last 8 its cannot e all eros or all ones

19$16!11$! and 19$16!118 are not availaleE

"# 47ample B1


80/107

p B

0ing "# Address: 19$16!1% 5as=: $@@$@@$@@$8%

"# addresses on the sunet: 19$16!1% to 19$16!11@

"# addresses that can e used: 19$16!11 to 19$118

0ing "# Address: 19$16!1! 5as=: $@@$@@$@@$@$

"# addresses on the sunet: 19$16!1! to 19$16!111 "# addresses that can e used: 19$16!19 to 19$11%

0ing "# Address: 19$118@68 5as=: $@@$@@$@@1$!

"# addresses on the sunet: 19$16!11$! to 19$16!1191

"# addresses that can e used: 19$16!11$9 to 19$119%


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.in= Commissioning M Trouleshootingusing Cera3iew

-ava Cera3iew 45S


82/107

Ceragon 4lement 5anager

S,5# )ased

-avaased( wor=s on indows( *ni7( o3( S,5#c

Can manage a terminal or a /ull lin=

Con/iguration

5aintenance

Operation

#er/ormance 5onitoring

0emote diagnostics

Statistic reports

#hysical 3iew


83/107

y

.ocal and 0emote management access

"nstalled inter/aces

0ealtime .4s display

Trouleshooting Tools


84/107

g

Alarm log

0eceive Signal .evel #5

0adio S& #5

ST51 .ine S& #5

.oop ac=s

Alarm .og


85/107

Time and date o/ alarms

Severityased /ilters

*p to 1%% log entries with automatic save

.og can e e7ported to ,otepad( ord( 47celP

Trouleshooting *sing Alarm .og


86/107

Chec= current alarm BEEE

"denti/y when alarms started

"denti/y separate events ased on time

Chec= correlation with other lin=s /ailed

Chec= correlation to 0S. to e7plain alarms

Chec= correlation to 0adio2.ine S& #5

0S. 5onitoring


87/107

g

5in and 5a7 0eceive Signal .evel in 1@ minutes intervals /or last $8 hours

*n/aded 0S. con/iguration Be7pected 0S. and Thresholds Allows to save as a tale and e7port to a /ile

Trouleshooting *sing 0S.


88/107

Chec= current 0S.

Chec= changes in 0S. during last $8hours B@d)

change during the day is normal

"denti/y rain /ading( multipath2ducting

Chec= i/ 0S. reached sensitivity threshold

"n case o/ AT#C( chec= Transmit Signal .evel

#er/ormance 5onitoring 0adio S&


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Counter o/ *nAvailale Seconds on the radio in 1@ minutes intervals /or

last $8 hours Allows to save as a tale and e7port to a /ile

Advanced 0adio S& #5


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Tale o/ 4S( S4S( *AS( ))4 on the radio in 1@ minutes intervals /or

last $8 hours

#er/ormance 5onitoring .ine S&


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Counter o/ *nAvailale Seconds on .ine BST51 in 1@ minutes intervals

/or last $8 hours Allows to save as a tale and e7port to a /ile

Advanced .ine S& #5


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Tale o/ 4S( S4S( *AS( ))4 on the .ine BST51 in 1@ minutes intervals /or

last $8 hours Allows to save as a tale and e7port to a /ile


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.oopac= Con/iguration


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"F loop

"nternal and 47ternal ST51 .ine loop .oop clear timeout con/iguration and display

Trouleshooting *sing .oopac=s


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"/ prolem currently e7ists:

*se .ine loop in case o/ .OS( .OF or 4rrors on ST51

input o/ "* or e7ternal A5

*se "F loop in case o/ .OF or )40 on 0adio to identi/yi/ "* is O+

*se O* loop in case o/ .OF or )40 i/ "F loop passed

O+ Bavailale >!G& O*s onlyE


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ADM

Synchroniation Sources


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Synchroniation Sources

FieAir 1@%%A21@$!A is compliant with G!1

Synchroniation Sources:Q 47ternalQ Aggregate 4ast 2 Aggregate estQ Triutary

Q "nternal Baccuracy 86 ppm R)40 1%6 S4C or Stratum

Note:

For each ,etwor= 4lement can e con/igured two possilecloc= sources: primary M secondary

hen oth sources are lost( an appropriate alarm will ereported and the ACT"34 source will e no source? &oldOver mode

0e/erence Timing 5odes B1


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,in Mo' ,t ,in Mo' i#/t

T!ib$t&! St!&(s T!ib$t&! St!&(s

STM-1 STM-1 STM-1 STM-1

Clo+k Clo+k

g B

0e/erence Timing 5odes B$


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T!ib$t&! Mo' nt!n&% Mo'



Clo+k Clo+k

&++$ra+* 5.: pp"

g B

0e/erence Timing 5odes B


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xt!n&% Mo' T/!o$#/ Mo'


Clo+k

xt!n&%

2M/

g B

Synchroniation Strategy B1


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y gy B

SS5 5O4

*tiliation o/ S1 BTiming 5ar=er yte

The SS5 in/orms the neighoring ,4 aout the status o/ the cloc=

supply

The S1 yte is used to select the est timing source /or the ,4 andto prevent timing islands

Assignment o/ timing source 'uality level to each ,4

Timing Generator BTG source selection 4nales the user to‑

con/igure two possile cloc= sources /or each ,4 For each timing source the user assigns a 'uality level

"/ oth cloc= sources /ail( the ,4 switches to &oldOver mode

Synchroniation Strategy B$


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SS5 isaled

e/inition o/ #rimary and Secondary cloc= sources /or each ,4

"/ the #rimary cloc= source /ails( the ,4 will switch to &oldOver

mode

"n this case alarm will e generated Cloc= *nit *nloc=ed? and theuser can select and switch manually to the Secondary or "nternal

cloc= source

ith no active cloc= source( the ,4 will remain in &oldOver mode

/or 8!hours( and then will switch to "nternal cloc= source

Once the #rimary cloc= source is restored( the ,4 will switch

automatically to the active cloc= source

Timing source 'uality levels


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Quality Level Description

&igh 1 G!11 atomic source

$ G!1$ Transit

G!1$ .ocal

8 *n=nown B#& Sync

@ "nternal G!1 cloc=

.ow 6 ont use /or Sync

First o/ all #lanE


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1 S=etch the general con/iguration

$ esign the radio lin=s

e/ine 0adio Side direction B4ast or est /or each ,4

8 e/ine the Triutaries path Bphysical port( 3C1$( mappedtrial( transparent trail( active path /or each ,4

@ e/ine 5ain and Secondary paths /or protection

6 e/ine the synchroniation sources /or each ,4

> esign the inand management and "# addresses

General A5 Con/iguration


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adio ire+tion

Trail Con/iguration


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Trail Na"e

#apped C>,-s#ain Path

Prote+tion

Synchroniation Con/iguration


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SS# #ode

Clo+k Enit Installed

Clo+k Stat$s

Pri"ar* Clo+k

Se+ondar* Clo+k

94111450 Operation Maintenance Training Rev2 1 Part 1 2

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Transcript of 94111450 Operation Maintenance Training Rev2 1 Part 1 2