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Transcript of Anixter Ref
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The Anixter StandardsR E F E R E N C E G U I D E
A reference guide to:
ANSI/TIA/EIA-568-A
ANSI/TIA/EIA-569-A
ANSI/TIA/EIA-606
ANSI/TIA/EIA-607
Now Including:
Current Telecommunications Systems Bulletins:
TSB-67, TSB-72, TSB-75 & TSB-95
Current Addendum
TIA/EIA-568-A-1, A-2, A-3, A-4, A-5(e) and B.3
Anixter Levels
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As a value-added provider of communications cablingsolutions, Anixter can reliably support your network
infrastructure requirements. We do this by combiningtechnical expertise and market specialization with pre- and
post-sale services and products from the world’s leading
vendors. Then, we accurately and promptly deliver those
products through our global distribution network.
In an effort to continually support you, our customers,we have pulled together some valuable information from
ANSI/TIA/EIA. The information contained within this
reference guide covers the key aspects of the ANSI/TIA/EIA-
568-A, 569, 606 and 607 standards, in addition to
information on the value of the Anixter Levels Program. We hope you find its contents informative and useful.
Scope of this HandbookThis document is meant as a reference source that
highlights the key points of the ANSI/TIA/EIA-568-A,
569, 606 and 607 standards. It is not intended as a
substitute for the original documents. For further discussionof any topic in the guide, refer to the actual standard. See the
section called “Reference Documents” for instructions on how
to order a copy of the standard itself.
Abbreviation References:
ANSI American National Standards Institute ASTM American Society for Testing and MaterialsCSA Canadian Standards AssociationEIA Electronic Industries AllianceIEEE Institute of Electrical & Electronic EngineersNEC National Electric CodeNEMA National Electrical Manufacturers Association
NFPA National Fire Protection Association TIA Telecommunications Industry AssociationUL Underwriters’ Laboratories
Anixter: The Cabling Systems Experts
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I. ANSI/TIA/EIA-568-A, Commercial BuildingTelecommunications Cabling Standard . . . . . . . . . . . . . . . . ii
II. ANSI/TIA/EIA-569-A, Pathways and Spaces . . . . . . . . . 30
III. ANSI/TIA/EIA-606, Administration . . . . . . . . . . . . . . . . 44
IV. ANSI/TIA/EIA-607, Grounding and Bonding . . . . . . . . 56
V. The Anixter Levels Program . . . . . . . . . . . . . . . . . . . . . . . . . 60 VI. Reference Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
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Table of Contents
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The Purpose:• Establish a generic telecommunications cabling
standard that will support a multivendor environment
• Enable the planning and installation of a structured
cabling system for commercial buildings
• Establish performance and technical criteria for
various cabling system configurations
The standard specifies:
• Minimum requirements for telecommunications
cabling within an office environment
•
Recommended topology and distances• Media parameters which determine performance
• Connector and pin assignments to ensure
interconnectability
• The useful life of telecommunications cabling systems
as being in excess of ten years
Purpose of the ANSI/TIA/EIA-568-A Standard
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ANSI/TIA/EIA-568-ACommercial Building TelecommunicationsCabling Standard
Design Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1The Six Subsystems of a Structured Cabling System . . . . . . . . 1
Building Entrance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Equipment Room . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Backbone Cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Design Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Telecommunications Closet . . . . . . . . . . . . . . . . . . . . . . . . . . 4Horizontal Cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Specified Topology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4Maximum Distances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5Telecommunications Outlet . . . . . . . . . . . . . . . . . . . . . . 58-Position Modular Jack Pair Assignments . . . . . . . . . 6
Work Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Work Area Components . . . . . . . . . . . . . . . . . . . . . . . . . 6
Media and Connecting Hardware
Performance Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7100 Ohm Unshielded Twisted-Pair Cabling Systems . . . 7
Horizontal Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8Backbone Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9UTP Connecting Hardware and Cords . . . . . . . . . . . . 10
150 Ohm Shielded Twisted-Pair (STP-A)
Cabling Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12Horizontal and Backbone STP-A Cable . . . . . . . . . . . 12150 Ohm STP-A Data Connector . . . . . . . . . . . . . . . . 13150 Ohm STP-A Patch Cable . . . . . . . . . . . . . . . . . . . 13
Optical Fiber Cabling Systems . . . . . . . . . . . . . . . . . . . . . . . . 14Optical Fiber Cabling Media . . . . . . . . . . . . . . . . . . . . . . 14Optical Fiber Connector . . . . . . . . . . . . . . . . . . . . . . . . . 15Optical Fiber Telecommunications Outlet . . . . . . . . . . 15
Table of Contents
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TSB-67 Bulletin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16TSB-72 Bulletin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18TSB-75 Bulletin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
TSB-95 Bulletin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21Addenda to TIA/EIA-568-A . . . . . . . . . . . . . . . . . . . . . . . . 23
568-A-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23568-A-2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23568-A-3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24568-A-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24568-A-5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
TIA/EIA-568-B.3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
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Design Considerations
The Six Subsystems of a StructuredCabling System
1. Building EntranceBuilding entrance facilities provide the point at which
outdoor cabling interfaces with the intrabuilding backbonecabling. The physical requirements of the network interfaceare defined in the TIA/EIA-569-A standard.
2. Equipment RoomThe design aspects of the equipment room are specified in
the TIA/EIA-569-A standard. Equipment rooms usually houseequipment of higher complexity than telecommunicationsclosets. Any or all of the functions of a telecommunicationscloset may be provided by an equipment room.
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3. Backbone CablingThe backbone cabling provides interconnection between
telecommunication closets, equipment rooms and entrancefacilities. It consists of the backbone cables, intermediate andmain cross-connects, mechanical terminations and patchcords or jumpers used for backbone-to-backbone cross-connection. This includes:
• Vertical connection between floors (risers)
•
Cables between an equipment room and buildingcable entrance facilities
• Cables between buildings (interbuilding)
*Note: Backbone distances are application-dependent. The
maximum distances specified above are based on voicetransmission for UTP and data transmission for STP and fiber.
The 90-meter distance for STP applies to applications with a
spectral bandwidth of 20 MHz to 300 MHz. A 90-meter distance
also applies to UTP at spectral bandwidths of 5–16 MHz for CAT 3,
10 MHz for CAT 4, and 20–100 MHz for CAT 5.
Lower-speed data systems such as IBM 3270, IBMSystem 36, 38, AS 400 and asynchronous (RS232, 422, 423,etc.) can operate over UTP (or STP) for considerably longerdistances—typically from several hundred feet to more than1,000 feet. The actual distances depend on the type of system, data speed and the manufacturer’s specifications for
the system electronics and the associated components used(e.g., baluns, adapters, line drivers, etc.). Current state-of-the-art distribution facilities usually include a combination of both copper and fiber optic cables in the backbone.
Cabling Types Maximum Backbone
Recognized Distances
100 ohm UTP (24 or 22 AWG) 800 meters (2625 ft) Voice*150 ohm STP 90 meters (295 ft) Data*
Multimode 62.5/125 µm optical fiber 2,000 meters (6560 ft)
Single-mode 8.3/125 µm optical fiber 3,000 meters (9840 ft)
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Other Design Requirements• Star topology
•
No more than two hierarchical levels of cross-connects• Bridge taps are not allowed
• Main and intermediate cross-connect jumper orpatch cord lengths should not exceed 20 meters(66 feet)
• Avoid installing in areas where sources of high levels
of EMI/RFI may exist • Grounding should meet the requirements as defined
in TIA/EIA-607
Note: It is recommended that the user consult with equipment
manufacturers, application standards and system providers
for additional information when planning shared-sheath
applications on UTP backbone cables.
Specified Backbone Cabling Topology: Star
BACKBONE MEDIA OPTIONS
UTP—800 meters*
STP—Application dependent
Multimode Fiber—2000 meters
Single-mode Fiber—3000 meters
Equipment Room
Equipment RoomIntermediate
Cross-connect
MainCross-connect
Telecommunications Closets
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4. Telecommunications Closet A telecommunications closet is the area within a
building that houses the telecommunications cabling systemequipment. This includes the mechanical terminations and/orcross-connect for the horizontal and backbone cablingsystem. Please refer to TIA/EIA-569-A for the designspecifications of the telecommunications closet.
5. Horizontal Cabling—(Specified Horizontal Cabling
Topology: Star)The horizontal cabling system extends from the work
area telecommunications (information) outlet to thetelecommunications closet and consists of the following:
• Horizontal Cabling• Telecommunications Outlet • Cable Terminations• Cross-connectionsThree media types are recognized as options for
horizontal cabling, each extending a maximum distance of 90 meters:
• 4-pair, 100-ohm UTP cable (24 AWG solid conductors)• 2-pair, 150-ohm STP cables• 2-fiber, 62.5/125-µm optical cable
Note: At this time, 50-ohm coaxial cable is a recognized media
type. It is not, however, recommended for new cabling
installations and is expected to be removed from the next
revision of this standard.
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8-Position Modular Jack Pair Assignments for UTP
6. Work AreaThe work area components extend from the
telecommunications (information) outlet to the station
equipment. Work area wiring is designed to be relatively simple to interconnect so that moves, adds and changesare easily managed.
Work Area Components • Station Equipment—computers, data terminals,
telephones, etc.•
Patch Cables—modular cords, PC adapter cables,fiber jumpers, etc.
• Adapters(baluns, etc.)— must be external to telecommunications outlet
T568-A T568-B
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Media and Connecting HardwarePerformance Specifications
100 ohm Unshielded Twisted-Pair (UTP)Cabling Systems
Horizontal Cable
As transmission rates have increased, higher performanceUTP cabling has become a necessity. In addition, some means
of classifying horizontal UTP cables and connecting hardware by performance capability had to be established. These capabilitieshave been broken down to a series of categories as follows:
Category 3
Cables/connecting hardware with transmissionparameters characterized up to 16 MHz
Category 4
Cables/connecting hardware with transmissionparameters characterized up to 20 MHz
Category 5
Cables/connecting hardware with transmission
parameters characterized up to 100 MHz
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Horizontal UTP Cable
Attenuation: per 100 meters (328 feet) @ 20 degrees C
NEXT: greater than or equal to 100 meters (328 feet)
Characteristic impedance of horizontal cabling=100ohms ± 15 percent from 1 MHz to the highest referencedfrequency (16, 20 or 100 MHz) of a particular category.
Attenuation/Crosstalk Loss (Attn/NEXT)
Frequency Category 3 Category 4 Category 5Attn/NEXT Attn/NEXT Attn/NEXT
(MHz) (dB) (dB) (dB)
0.064 0.9 / - 0.8 / - 0.8 /
0.150 - / 53 - / 68 - / 74
0.256 1.3 / - 1.1 / - 1.1 / -
0.512 1.8 / - 1.5 / - 1.5 / -0.772 2.2 / 43 1.9 / 58 1.8 / 64
1.0 2.6 / 41 2.2 / 56 2.0 / 62
4.0 5.6 / 32 4.3 / 47 4.1 / 53
8.0 8.5 / 27 6.2 / 42 5.8 / 48
10.0 9.7 / 26 6.9 / 41 6.5 / 47
16.0 13.1 / 23 8.9 / 38 8.2 / 4420.0 - / - 10.0 / 36 9.3 / 42
25.0 - / - - / - 10.4 / 41
31.25 - / - - / - 11.7 / 39
62.5 - / - - / - 17.0 / 35
100.0 - / - - / - 22.0 /32
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Backbone UTP Cable
Attenuation: per 100 meters (328 feet) @ 20 degrees C
NEXT: greater than or equal to 100 meters (328 feet)
Characteristic impedance of backbone cabling=100ohms ± 15 percent from 1 MHz to the highest referencedfrequency (16, 20 or 100 MHz) of a particular category.
Attenuation/Power Sum NEXT Loss
Frequency Category 3 Category 4 Category 5Attn/NEXT Attn/NEXT Attn/NEXT
(MHz) (dB) (dB) (dB)
0.064 0.9 / - 0.8 / - 0.8 / -
0.150 - / 53 - / 68 - / 74
0.256 1.3 / - 1.1 / - 1.1 / -
0.512 1.8 / - 1.5 / - 1.5 / -0.772 2.2 / 43 1.9 / 58 1.8 / 64
1.0 2.6 / 41 2.2 / 56 2.0 / 62
4.0 5.6 / 32 4.3 / 47 4.1 / 53
8.0 8.5 / 27 6.2 / 42 5.8 / 48
10.0 9.7 / 26 6.9 / 41 6.5 / 47
16.0 13.1 / 23 8.9 / 38 8.2 / 4420.0 - / - 10.0 / 36 9.3 / 42
25.0 - / - - / - 10.4 / 41
31.25 - / - - / - 11.7 / 39
62.5 - / - - / - 17.0 / 35
100.0 - / - - / - 22.0 / 32
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UTP Connecting Hardware and CordsTo ensure that installed connecting hardware
(telecommunications outlets, patch cords and panels,connectors, cross-connect blocks, etc.) will have minimal effect on overall cabling system performance, the characteristics andperformance parameters presented in this section shall be met.
UTP Connecting Hardware
The preferred termination method for all UTPconnecting hardware utilizes the insulation displacement contact (IDC).
The following requirements apply only to wire and cable
used for patch cords and cross-connect jumpers:Jumper/patch cord maximum length limitations:
• 20 meters (66 feet) in main cross-connect • 20 meters (66 feet) in intermediate cross-connect • 6 meters (20 feet) in telecommunications closet • 3 meters (10 feet) in the work area
Patch cord cable construction:
• stranded conductors for extended flex-life
Attenuation/NEXT LossFrequency Category 3 Category 4 Category 5
(MHz) (dB) (dB) (dB)
1.0 0.4 / 58 0.1 / 65 0.1 /65
4.0 0.4 / 46 0.1 / 58 0.1 / 65
8.0 0.4 / 40 0.1 / 52 0.1 / 62
10.0 0.4 / 38 0.1 / 50 0.1 / 6016.0 0.4 / 34 0.2 / 46 0.2 / 56
20.0 - / - 0.2 / 44 0.2 / 54
25.0 - / - - / - 0.2 / 52
31.25 - / - - / - 0.2 / 50
62.5 - / - - / - 0.3 / 44
100.0 - / - - / - 0.4 / 40
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Attenuation: per 100 meters (328 feet) @ 20 degrees C = Horizontal UTP cable attenuation + 20 percent (due to
stranded conductors)
To ensure overall system integrity, horizontal cablesneed to be terminated with connecting hardware of the samecategory or higher. Also, cables used for patch cords and
cross-connect jumpers need to be of the same performancecategory or higher as the horizontal cables they connect.Lastly, UTP cabling systems are not Category 3-, 4-, or5-compliant unless all components of the system satisfy their respective category requirements.
Maximum Attenuation of Cable Used in Patch Cords
Frequency Category 3 Category 4 Category 5
(MHz) (dB) (dB) (dB)1.0 3.1 2.6 2.4
4.0 6.7 5.2 4.9
8.0 10.2 7.4 6.9
10.0 11.7 8.3 7.8
16.0 15.7 10.7 9.9
20.0 - 12.0 11.125.0 - - 12.5
31.25 - - 14.1
62.5 - - 20.4
100.0 - - 26.4
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150 Ohm Shielded Twisted-Pair (STP-A)Cabling Systems
The recognized twisted-pair (STP) cables are IBM-type1A for backbone and horizontal distribution and IBM-type 6A for patch cables.
Horizontal and Backbone STP-A Cable
2-pair, 22 AWG solid
Attenuation: per 100 meters (328 feet) @ 25 degrees C
Characteristic Impedance = 150 ohms ± 10 percent
(3 MHz-300 MHz).
Balanced Mode Attenuation/NEXT Loss (worst pair)Frequency Attn/NEXT(MHz) (dB)
4 2.2 / 58.0
8 3.1 / 54.9
10 3.6 / 53.5
16 4.4 / 50.4
20 4.9 / 49.0
25 6.2 / 47.5
31.25 6.9 / 46.1
62.50 9.8 / 41.5
100 12.3 / 38.5
300 21.4 / 31.3
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STP-A Data Connector
150 Ohm STP-A Patch Cable 2-pair, 26AWG stranded
Characteristic Impedance = 150 ohms ± 10% (3 MHz–300 MHz)
Balanced Mode Attenuation of 150 ohm STP-A Patchcable is about 1.5× that of horizontal or backbone STP-A cable (4 MHz–300 MHz).
NEXT performance of 150 ohm STP-A Patch Cablemeasures approximately 6 dB less than horizontal orbackbone STP-A cable (5 MHz–300 MHz).
Attenuation/NEXT
Frequency Attn/NEXT(MHz) (dB)
4.0 .05/ 65
8.0 .10/ 65
10 .10/ 65
16 .15/ 62.4
20 .15/ 60.525 .15/ 58.5
31.25 .15/ 56.6
62.50 .20/ 50.6
100 .25/ 46.5
300 .45/ 36.9
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Optical Fiber Cabling Systems
Optical Fiber Cabling Media• Horizontal—62.5/125 µm multimode optical fiber
(minimum of two fibers)• Backbone—62.5/125 µm multimode and 8.3/125 µm
single-mode optical fiber
Cable Transmission Performance ParametersSingle-mode (Backbone)
Wavelength Maximum Attenuation(nm) (dB/km)
1310 0.5
1550 0.5
Cable Transmission Performance Parameters
Multimode (Horizontal and Backbone)Wavelength Maximum Attenuation Min. Bandwidth(nm) (dB/km) (MHz-km)
850 3.75 160
1300 1.5 500
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Optical Fiber Connector
Specified Connector: 568SC
Color Identification • beige—62.5/125 µm multimode connector/coupling• blue—8.3/125 µm single-mode connector/coupling
Note 1: Applications with an installed base of ST-type fiber
connectors are “grandfathered” for continued use in both
current and future updates of existing optical fiber networks.
Note 2: A key reason the standard now specifies the 568SC-type
fiber connector is to harmonize with the IEC-specified interface
currently in use in Europe.
Optical Fiber Telecommunications Outlet
Required Features
• Capability to terminate minimum of two fibers into568SC couplings
• Means of securing fiber and maintaining minimumbend radius of 30 mm
• Ability to store a minimum of 1 meter of 2-fiber cable• Surface-mount box that attaches directly over
standard 4" × 4" electrical box
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TIA/EIA TSB-67
Transmission Performance Specification forField Testing of Unshielded Twisted-Pair CablingSystems (10/95)
For the purposes of testing UTP cabling systems, thehorizontal link is assumed to contain a telecommunicationsoutlet/connector, a transition point, 90 meters of UTP Category
3, 4 or 5 cable, a cross-connect consisting of two blocks orpanels and a total of 10 meters of patch cords. The figurebelow shows the relationship of these components.
Two link configurations are defined for testing purposes.The basic link includes the horizontal distribution cable,telecommunications outlet/connector or transition point andone horizontal cross-connect component. This is assumed tobe the permanent part of a link. The channel link is comprised
of the basic link plus cross-connect equipment, user andcross-connect jumper cable.
TSB-67 defines the allowable worst-case attenuation andNEXT for an installed link. The following tables show thelimitations for attenuation and NEXT, respectively, for boththe basic and channel links.
Tests shall also measure physical length of each link,and employ Wire Map to verify pin terminations at each endand identify simple electrical faults. Level I and the higherLevel II field test equipment accuracy is defined.
Channel Link
Basic Link
Patch Cord
Outlet
PatchCord
TransitionPoint
Cross-Connect
90 Meters UTP Cable
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TIA/EIA TSB-72
Centralized Optical Fiber Cabling Guidelines (10/95)The ANSI/TIA/EIA-568-A standard provides maximum
flexibility for distributed electronics for multi-tenant buildings. TSB-72 offers guidelines for single-tenant users who prefer centralized electronics (i.e. server farms)connected by a fiber horizontal and fiber backbone.
Centralized Cabling Scheme
To connect fiber from the Work Area to the Equipment Room, within a single building, the user may use a splice orinterconnect in the Telecom Closet. The combined distancelimitation is 300 meters (984 ft) for Horizontal, IntrabuildingBackbone and patch cords. Alternatively, the user may simply pull cables through the closet. In this last case the fiber
Horizontal and Backbone consist of one continuous fiberpair, and the pull-through distance limitation is 90 meters(295 ft). Cabling is 62.5/125 µm multimode as described inTIA/EIA 568-A. Sufficient space shall be allowed for slack,addition and removal of cables, spares, and conversion to a full cross-connect system. Labeling shall be in accordance
with TIA/EIA-606, with additional labeling to identify A-Bpairs with specific Work Areas.
Workstation
Patch Cable
Patch Cable
TelecommunicationsCloset
InformationOutlet
Horizontal Cable—300 m including riser
Termination Shelf
BuildingDistributionCable(Backbone)
MDCInterbuildingTrunk Cable
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TIA/EIA TSB-75
Additional Horizontal Cabling Practices for OpenOffices (8/96)
This document specifies optional practices for openoffice environments, for any Horizontal telecommunicationscabling recognized in TIA/EIA 568-A.
A Multi-User Telecommunications Outlet (MUTO)
facilitates the termination of multiple Horizontal cables in a common location within a furniture cluster. Work Area cables may then be routed through furniture pathways anddirectly connected to Work Area equipment. Each furniturecluster should have one MUTO which serves a maximum of twelve Work Areas.
TelecommunicationsCloset
Multi-UserTelecommunicationsOutlet Assembly
Equipmentcable
Horizontalcross-connect
Patchcords
Horizontalcables
Telecommunicationoutlet/connectors
Work area cables
Work AreaBackbonecable
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Note: No Work Area cable length may exceed 20 meters (66 feet).
For Optical Fiber, any combination of Horizontal,
Work Area cables, patch cords and equipment cords may not exceed 100 meters (328 ft).
Only one Consolidation Point (an interconnection point in the Horizontal cabling) is allowed, at a distance of at least
15 meters (49 ft) from the Telecom Closet and a Transitionpoint (transition from round to flat under carpet cable) isnot allowed. A Consolidation Point is installed inunobstructed building columns and permanent walls.
The Multi-User Telecommunications Outlet, andConsolidation Point methods are intended to be mutually
exclusive. Labeling and allowance for spares is required.Moves, adds and changes should be administered in theTelecom Closet.
Work Area
Telecommunications
Closet Horizontal Cabling
HorizontalCross-Connect
Backbonecable
Connectinghardware
Work areacables
Work area telecommunicationoutlet/connector or multi-usertelecommunications outlet assembly
ConsolidationPoint
Maximum Work Area Cable length is
determined by the following table:
Length of Maximum Maximum combined lengthhorizontal length of work of work area cables, patchcable area cable cords and equipment cablem (ft) m (ft) m (ft)
90 (295) 3 (10) 10 (33)
85 (279) 7 (23) 14 (46)
80 (262) 11 (36) 18 (59)
75 (246) 15 (49) 22 (72)
70 (230) 20 (66) 27 (89)
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TIA/EIA TSB 95
Additional Transmission Performance Guidelines for4-Pair 100 MHz Category 5 Cabling (10/99)
This Systems Bulletin describes Return Loss and EqualLevel Far End Crosstalk (ELFEXT) recommendations andadditional test methods for Cat 5 cable. It also describesPower Sum ELFEXT, because newer applications (1000BASE-T) will use simultaneous bi-directional transmission (fullduplex) over all four pairs.
While the important topics of TSB-95 are coveredbriefly here, appropriate test equipment is required, andcontemporary test equipment contains software to simplify,compare and report the results (only up to 100 MHz).
The Return Loss will be less than 15 dB for both thebasic link and channel for any frequency less than 20 MHz,and decrease exponentially for frequencies from 20–100 MHz.
Frequency Return Loss(MHz) (dB)
1 15
4 158 15
10 15
16 15
20 15
25 14.03
31.25 13.0662.5 10.05
100 8.01
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ELFEXT and PSELFEXT upper limitations of the worst pair of the channel are shown below.
ELFEXT, Channel or PSELFEXT, ChannelFrequency Basic Link, Worst Pair or Basic Link(MHz) (dB) (dB)
1.0 57.0 54.4
4.0 45.0 42.4
8.0 38.9 36.3
10.0 37.0 34.4
16.0 32.9 30.320.0 31.0 28.4
25.0 29.0 26.4
31.25 27.1 24.5
62.5 21.1 18.5
100.0 17.0 14.4
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Addenda to TIA/EIA-568-A
TIA/EIA-568-A-1 (Addendum 1) (9/97)
Propagation Delay and Delay Skew Specifications for 100-Ohm
4-pair Cable
Propagation delay is the time needed for thetransmission of signal over a single pair. Delay skew isthe difference between the propagation delay between any
two pairs within the same cable sheath. Delay skew is causedprimarily because twisted pairs are designed to have different twists per foot (lay lengths). Delay skew could cause data transmitted over one channel to arrive out of sync with data over another channel. This one-page addendum (plus a one- and two-page Informative Annex), specifies delay skew and provides formulas for the benefit of cable and test equipment manufacturers.
TIA/EIA-568-A-2 (Addendum 2) (8/98)
Corrections and Additions to TIA/EIA-568-A
Addendum 2 refers the Centralized Optical Fiber userto TSB-72 in regards to star topology and cross connections.It specifies that transposed UTP pairs (tip/ring reversal) beaccomplished only with adapters or patch cords. A slight reduction in strength of optical patch cord connectors isallowed. Laboratory and quality control measurements andmethods are detailed for contact resistance, test baluns andcommon mode terminations (Five pages, no Annex).
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TIA/EIA-568-A-3 (Addendum 3) (12/98)
Addendum No. 3 to TIA/EIA-568-A
This one-page document allows bundled, wrapped orhybrid cables for use in Horizontal cabling, provided that each individual cable type meets TIA/EIA-568-A specifications, and that power sum NEXT loss created by adjacent jacketed cables be 3 dB better than the normally allowed pair-to-pair NEXT for the cable type being tested.Color codes must follow individual cable standards todistinguish them from multipair UTP backbone cabling.
ANSI/TIA/EIA-568-A-4 (Addendum 4) (12/99)
A Production Modular Cord NEXT Loss Test Method and
Requirements for Unshielded Twisted-Pair Cabling
This addendum provides a non-destructivemethodology for NEXT loss testing of modular plug cords(patch and equipment cords) suitable only for a QClaboratory environment.
ANSI/TIA/EIA-568-A-5 (Addendum 5) (2/00)
Transmission Performance Specifications for 4-Pair 100 Ohm
Category 5e Cabling
This addendum specifies minimum Return Loss,Propagation Delay, Delay Skew. NEXT loss, PSNEXT loss, FEXTloss, ELFEXT and PSELFEXT @ 100 meters.
ELFEXT (Equal-Level Far-End Crosstalk): A measure of theunwanted signal coupling from a transmitter at the near-endinto a neighboring pair measured at the far-end, relative tothe received signal level measured on that same pair.(ELFEXT is FEXT adjusted to discount attenuation.)
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FEXT (Far-End Crosstalk): A measure of the unwantedsignal coupling from a transmitter at the near-end into a neighboring pair measured at the far-end.
PSELFEXT (Power Sum Equal-Level Far-End Crosstalk): A computation of the unwanted signal coupling from multipletransmitters at the near-end into a pair measured at the far-end, relative to the received signal level on that same pair.
PSNEXT (Power Sum Near-End Crosstalk): A computation of the unwanted signal coupling from multiple transmitters at
the near-end into a (non-energized) pair measured at thenear-end.
UTP Cable
Frequency NEXT PSNEXT ELFEXT PSELFEXT Return Loss
(MHz) (dB) (dB) (dB) (dB) (dB)
1 65.3 62.3 63.8 60.8 20.0
4 56.3 53.3 51.7 48.7 23.0
8 51.8 48.8 45.7 42.7 24.5
10 50.3 47.3 43.8 40.8 25.0
16 47.3 44.3 39.7 36.7 25.0
20 45.8 42.8 37.7 34.7 25.0
25 44.3 41.3 35.8 32.8 24.3
31.25 42.9 39.9 33.9 30.9 23.6
62.5 38.4 35.4 27.8 24.8 21.5
100 35.3 32.3 23.8 20.8 20.1
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UTP Basic Link
Frequency NEXT PSNEXT ELFEXT PSELFEXT Return Loss
(MHz) (dB) (dB) (dB) (dB) (dB)1 60.0 57.0 58.0 55.0 17.0
4 54.8 52.0 48.0 45.0 17.0
8 50.0 47.1 41.9 38.9 17.0
10 48.5 45.6 40.0 37.0 17.0
16 45.2 42.2 35.9 32.9 17.0
20 43.7 40.7 34.0 31.0 17.0
25 42.1 39.1 32.0 29.0 16.3
31.25 40.6 37.5 30.1 27.1 15.662.5 35.7 32.6 24.1 21.1 13.5
100 32.3 29.3 20.0 17.0 12.1
UTP Connecting Hardware
Frequency NEXT FEXT Return Loss
(MHz) (dB) (dB) (dB)1 65.0 65.0 35.0
4 65.0 63.1 35.0
8 64.9 57.0 35.0
10 63.0 55.1 35.0
16 58.9 51.0 35.0
20 57.0 49.1 34.025 55.0 47.1 32.0
31.25 53.1 45.2 30.1
62.5 47.1 39.2 24.1
100 43.0 35.1 20.0
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Modular Patch Cord
Frequency Return Loss
(MHz) (dB)
1-20 25.0
25 24.031.25 23.1
62.5 20.1
100 18.0
UTP Channel
Frequency NEXT PSNEXT ELFEXT PSELFEXT Return Loss
(MHz) (dB) (dB) (dB) (dB) (dB)1 60.0 57.0 57.4 54.4 17.0
4 53.6 50.9 45.3 42.4 17.0
8 48.6 45.7 39.3 36.3 17.0
10 47.0 44.1 37.4 34.4 17.0
16 43.6 40.6 33.3 30.3 17.0
20 42.0 39.0 31.4 28.4 17.025 40.4 37.3 29.4 26.4 16.0
31.25 38.7 35.7 27.5 24.5 15.1
62.5 33.6 30.6 21.5 18.5 12.1
100 30.1 27.1 17.4 14.4 10.0
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TIA/EIA-568-B.3
Optical Fiber Cabling Components StandardThe TIA/EIA-568-A standard will eventually be
superceded by: TIA/EIA-568-B.1 “Commercial BuildingTelecommunications Cabling System,” TIA/EIA-568-B.2“Balanced Twisted-Pair Cabling Standard,” and TIA/EIA-568-B.3 “Optical Fiber Cabling Components Standard.”
In March of 2000, the Optical Fiber section wascompleted and became available to the public in May. Thisstandard supercedes and replaces Section 12 of the previousdocument. The remaining B documents should be completedby mid-2001.
Optical Fiber Cabling Systems
Optical Fiber Cabling Media
• Horizontal—62.5/125 or 50/125 µm multimode optical fiber
(minimum of two fibers)
• Backbone—62.5/125 or 50/125 µm multimode and single-mode
optical fiber
Cable Transmission Performance Parameters Multimode
(Horizontal & Backbone)50 µm 62.5 µm
Maximum Minimum MinimumWavelength Attenuation Bandwidth Bandwith(nm) (dB/km) (MHz/km) (MHz/km)
850 3.5 500 1601300 1.5 500 500
Cable Transmission Performance Parameters Single-mode
(Backbone)Inside Plant Outside Plant
Wavelength Maximum Attenuation Maximum Attenuation(nm) (dB/km) (dB/km)
1310 1.0 0.51550 1.0 0.5
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Optical Fiber ConnectorNo Specified Connector: 568SC and other duplex designs
may be used.
Color Identification
• beige—multimode connector/coupling• blue—single-mode connector/coupling
Note 1: Applications with installed base of ST-type fiberconnectors are “grandfathered” for continued use in both
current and future updates of existing optical fiber networks.
Note 2: The ISO/IEC standard now specifies the568SC-type fiber connector in the work area.
Optical Fiber Telecommunications Outlet
Required Features:
•
Capability to terminate minimum of two fibers into568SC couplings or other duplex connection
• Means of securing fiber and maintaining minimumbend radius of 25 mm(1")
Optical Fiber Splices; Fusion or Mechanical
• Maximum Attenuation 0.3 dB
Optical Fiber Connector (mated pair) • Maximum Insertion loss 0.75 dB
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As the complexity of voice and data telecommunicationshas increased, standards have been established to ensure the
operability, flexibility, manageability and longevity of thesecritical commercial support systems. Telecommunications
now encompasses voice, data and video transmission of
business information, fire/security, audio, environmental and
other intelligent building controls over media that includesfiber optics, specialized copper data cabling, microwave and
radiowave. This booklet concisely describes the architectural
design elements of cabling pathways and dedicated rooms for
telecommunications equipment.
A multi-tenant commercial building has a life
expectancy of at least 50 years. Software, hardware andcommunications gear have far shorter lifespans of one to five
years. Moreover, in a multi-tenant environment, continuous
moves, adds and changes are inevitable. It is the purpose ofstandards to guide design and ease future changes—by
planning for the future now. These standards are intended to
provide for a generic structured cabling plant, capable of
running any voice or data application foreseeable in the next10 to 15 years.
Abbreviations:
AWG American Wire Gauge
V volts
A amps
kVA kilovolt ampere
V/m volts per meter
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Purpose of the ANSI/TIA/EIA-569-A Standard
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ANSI/TIA/EIA-569-ACommercial Building Standard forTelecommunications Pathways and Spaces
Design Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Service Entrance Pathways . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Entrance Facilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33Equipment Room . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Intrabuilding Backbone Pathways . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Telecommunications Closet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Horizontal Pathways . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Underfloor Duct . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38Flushduct . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38Multichannel Raceway . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38Cellular Floor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38Trenchduct . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38Access Floor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Plenum/Ceiling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38Conduit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39Cable Trays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39Perimeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Consolidation Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Electromagnetic Interference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Firestops . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Table of Contents
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32
Pathways and Spaces
1. Electric Entrance2. Telco Entrance
3. Telecom Equipment Room
4. Data
5. Voice
6. Telecom Closet
7. Grounding & Bonding
8. Underfloor System
ቢ
ባ
ቤ
ብቦ
ቧ
ቨ
ቩ
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TIA/EIA-569-A Design Considerations
Service Entrance PathwaysFor underground facilities, use a minimum 4-inch
conduit or duct constructed of PVC type B, C or D; multipleplastic duct; galvanized steel; fiber glass; with appropriateencasement. No more than two 90° manufactured bendsare allowed (10 times the diameter). Drain slope shouldnot be less than 12 inches per 100 feet. Recommendedconduit fill varies but should not exceed 40 percent formore than two cables.
Maintenance holes (typically 3,500 lb./sq. in., concrete)must be equipped with sump, corrosion-protected pullingiron, cable racks, grounded ladder, and only suchpower/light conductors as required for telecommunicationssupport per NEC requirements.
Entrance FacilitiesEntrance facilities include the pathways for outside carrier
services, interbuilding backbone, alternate entrance andantennae entrance pathways. The entrance facilities consist
of a termination field interfacing any outside cabling to theintrabuilding backbone cabling. The local telephone carrier istypically required to terminate cabling within 50 feet of buildingpenetration, and to provide primary voltage protection.
In buildings larger than 20,000 usable square feet, a locked, dedicated, enclosed room is recommended. Beyond
70,000-square feet, a locked, dedicated room is required, with a plywood termination field provided on two walls. Inbuildings up to 100,000 usable square footage, a wall-mounted termination field may serve as the entrance facility,using 3/4-inch plywood, 8-feet high. Beyond 100,000-squarefeet, rack-mounted and free-standing frames may also be
required. Minimum space requirements are given as follows:
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Rule of Thumb: Allow one square foot of plywood wallmount for
each 200 square-foot area of floor space.
Equipment Room
An equipment room is essentially a largetelecommunications closet that may house the maindistribution frame, PBXs, secondary voltage protection, etc.The equipment room is often appended to the entrancefacilities or a computer room to allow shared air conditioning,security, fire control, lighting and limited access.
Rule of Thumb: Provide 0.75 square feet of equipment room
floor space for every 100 square feet of user workstation area.
Number of Equipment RoomWorkstations Floor Space (sq. ft.)
1–100 150
101–400 400
401–800 800
801–1,200 1,200
Gross BuildingFloor Space(sq. ft.) Plywood Field Room Dimension
5,000 8’ high × 39” wide10,000 8’ high × 39”
20,000 8’ high × 42” (A room recommended
40,000 8’ high × 68” beyond this level)
50,000 8’ high × 90”
60,000 8’ high × 96” (A dedicated room req’d.)
80,000 8’ high × 120” 12’ × 6.3’100,000 8’ high × 2 walls 12’ × 6.3’
200,000 8’ high × 2 walls 12’ × 9’
400,000 8’ high × 2 walls 12’ × 13’
500,000 8’ high × 2 walls 12’ × 15.6’
600,000 8’ high × 2 walls 12’ × 18.3’
800,000 8’ high × 2 walls 12’ × 22.3’
1,000,000 8’ high × 2 walls 12’ × 27.7’
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Location
Typically, rooms should be located away from sources of electromagnetic interference (transformers, motors, x-ray,
induction heaters, arc welders, radio, radar) until interferenceis less than 3 V/m across the frequency spectrum. Avoidsources of flooding.
Perimeters
Typically, no false ceiling; all surfaces treated to reduce dust; walls and ceiling painted white or pastel to improve visibility.
Limited Access
Typically, single or double 36" × 80" lockable doors.
Other
Typically, no piping, ductwork, mechanical equipment orpower cabling should be allowed to pass through the
equipment room. No unrelated storage.HVAC
24 hours/day, 365 days/year, 64°-75°F, 30%-55%humidity, positive pressure.
Lighting
Typically, 8.5 feet high, providing 50-foot candles @3 feet above floor.
Electrical
Typically, a minimum of two dedicated 15A, 110VACduplex outlets on separate circuits is required. Convenienceduplex outlets shall be placed at 6-foot intervals around the
perimeter. Emergency power should be considered andsupplied, if available.
Dust
Less than 100 micrograms/cubic meter/24-hour period
Note: The term “typically” is applied here to indicate, where applicable, that these requirements also apply to other elements
of the cabling system spaces. Lighting requirements, for instance, are largely identical for entrance facilities, equipment rooms and telecommunications closets.
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Intrabuilding Backbone Pathways Within a building, the intrabuilding backbone pathways
extend between the entrance facilities, equipment room andtelecommunications closets. Telecom closets should bestacked vertically above each other on each floor, andprovided with a minimum of three 4-inch sleeves (a stub of conduit through the floor) for less than 50,000 square feet served. An equivalent 4" × 12" slot may be used in lieu of three sleeves. Firestopping is required. If closets are not
vertically aligned, then 4-inch horizontal conduit runs arerequired. Include no more than two 90° bends between pullpoints. Pulling iron or eyes embedded in the concrete forcable pulling is recommended. Fill should not exceed40 percent for any run greater than two cables.
Backbone and Horizontal Pathways
1. Telco Conduit 6. Vertical Backbone
2. Telco Manhole 7. Telecom Closet
3. Entrance Conduit 8. Horizontal Cabling
4. Telco Entrance Facility 9. Interbuilding Backbone
5. Telcom Equipment Room 10. Electrical Entrance Facility
1
23
10
4
7
7
8
9
65
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Telecommunications ClosetThe telecommunications closet on each floor is the
junction between backbone and horizontal pathways. It contains active voice and data telecommunicationsequipment, termination fields and cross-connect wiring.
More than one telecom closet per floor is required if distance to a work area exceeds 300 feet, or if floor area served exceeds 10,000 square feet. Recommended closet sizing is 10' × 11' for each 10,000 square-foot area served.
Power, lighting, air conditioning and limited accessare typical. See requirements for Equipment Room. Thereare a minimum of three 4-inch firestopped backbone sleevesin the floor at the left side of a plywood termination field, which are ideally located near the door. A fire extinguisheris recommended.
Typical Telecommunications Closet
Riser Sleeve
4"Inside Diameter
1" minimum
Equipment power
Power bar
Power bar Instrument
power
Rear Rear
F r ont
F r ont
Equipment power
19" equipment rack
19" equipment rack
3/4"
plywoodbackboard
39" aisle(Eqpt. repair & install)
Ceilingfluorescent
fixture
Ceilingfluorescent
fixture
Ceilingfluorescent
fixture
Ceilinglevel
ladder rack
Ceiling levelladder rack
Distributionfacilitiesto offices
Closet interconnectingconduit (fire stopped)3/4"
plywoodbackboard
Three 4" sleeves(minimum)
M i n i m u m 3 6 " x 8 0 " d o o r
w i t h l o c k e x t e r n a l l y o p e n e d o n l y
Distribution facilities to offices
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Horizontal PathwaysHorizontal pathways extend between the
telecommunications closet and the work area. A variety of generic pathway options are described. Choice of pathway(s)is left to the discretion of the designer. The most commonly employed pathway consists of cable bundles run from thetelecom closet along J-hooks suspended above a plenumceiling, fanning out once a work zone is reached, droppingthrough interior walls or support columns or raceways, and
terminating at an information outlet (I/O). Other options are:
Underfloor Duct
Single- or dual-level rectangular ducts imbedded ingreater than 2.5-inch concrete flooring.
Flushduct
Single-level rectangular duct imbedded flush in greaterthan 1-inch concrete flooring.
Multichannel Raceway
Cellular raceway ducts capable of routing telecomand power cabling separately in greater than 3-inchreinforced concrete.
Cellular Floor
Pre-formed hollows, or steel-lined cells, are provided inconcrete, with header ducts from the telecom closet arranged at right angles to the cells.
Trenchduct
A wide, solid tray, sometimes containing compartments,and fitted with a flat top(with gaskets) along its entire length.It is embedded flush with the concrete finish.
Access Floor
Modular floor panels supported by pedestals, used incomputer rooms and equipment rooms.
Plenum/Ceiling
Bundled cables, suspended above a false ceiling, fan out to drop through walls or along support columns tobaseboard level.
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Conduit
To be considered only when outlet locations arepermanent, device density low and flexibility (future
changes) not required.
Cable Trays
Options include channel tray, ladder tray, solid bottom, ventilated and wireway.
Perimeter Pathways
Options include surface raceway, recessed, molding andmultichannel (to carry separate power and lighting circuits).
Rule of Thumb: Typically, size horizontal pathways by providing
1 square inch of cross-section area for every 100 square feet of
workspace area being served.
Note: Typically, a pull box, splice box or pulling point is required for any constrained pathway where there are more than two 90°
bends, a 180° reverse bend or length more than 100 feet.
Perimeter Pathway
Power
Telcom
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Modular Office Path
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A Variety of Horizontal Pathways
Access Floor
Ceiling Utility Pole
Suspendedceiling
Utility Column
TelecomCellular Floor
Trenchduct
Power
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Consolidation Points and MUTOsConsolidation Points provide limited area connection
access. Typically a permanent flush wall, ceiling or support column-mounted panel serves modular furniture work areas.The panels must be unobstructed and fully accessible without moving fixtures, equipment or heavy furniture.
A Multi-User Telecommunication Outlet (MUTO) isanother methodology to reduce cabling moves, adds andchanges in modular furniture settings. The user cord isdirectly connected to the MUTO. A MUTO location must beaccessible and permanent, and may not be mounted inceiling spaces or under access flooring. Similarly, it cannot be mounted in furniture unless that furniture is permanently secured to the building structure.
For more descriptive information on distance limitationsand purposes of Consolidation Points and MUTOs, see ANSI/TIA/EIA TSB-75.
Electromagnetic Interference Voice and data telecommunications cabling should not
be run adjacent and parallel to power cabling—even along
short distances—unless one or both cable types are shieldedand grounded. For low-voltage communication cables, a minimum 5-inch distance is required from any fluorescent lighting fixture or power line over 2 kVA and up to 24 inchesfrom any power line over 5 kVA*. In general, telecommuni-cations cabling is routed separately, or several feet away from
power cabling. Similarly, telecommunications cabling isrouted away from large motors, generators, inductionheaters, arc welders, x-ray equipment, and radio frequency,microwave or radar sources.
*Note: Distance recommendations from (1990) TIA/EIA-569 are reproduced here by popular request. For current recommendations, refer to NEC/NFPA 70,
Article 800-52.
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Firestops Annex A of the standard discusses various types of
packing used to re-establish the integrity of fire-ratedstructures when these barriers have been penetrated by cable. The section that briefly discusses passive mechanicalsystems and non-mechanical systems such as putty, caulk,cements, intumescent sheets and strips, silicone foams andpre-manufactured pillows. The most common method isstuffing the aperture with ceramic/mineral wool and caulking
both sides with fire-resistant putty. The information refers thedesigner to check manufacturer specifications and UL ratingsagainst NFPA, ASTM and NEC codes.
Cutaway of Typical Firestop
Firestopping putty or caulk
Metallic conduit sleeve or cable
Ceramic fibreor mineral wool
Wall assembly
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Notes
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Purpose of the ANSI/TIA/EIA-606 Standard
Modern buildings require an effective telecommunicationsinfrastructure to support the wide variety of services that rely on
the electronic transport of information. Administrationincludes basic documentation and timely updating of drawings,
labels and records. Administration should be synergistic with
voice, data and video telecommunications, as well as with other
building signal systems, including security, audio, alarms andenergy management.
Administration can be accomplished with paper records,
but in today’s increasingly complex telecommunications
environment, effective administration is enhanced by the use
of computer-based systems.
A multi-tenant commercial building has a lifeexpectancy of at least 50 years. Moreover, in a multi-tenantenvironment, continuous moves, adds and changes are
inevitable. Administrative record-keeping plays an
increasingly necessary role in the flexibility and management
of frequent moves, adds and changes. This booklet concisely
describes the administrative record-keeping elements of amodern structured cabling system.
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ANSI/TIA/EIA-606Administration Standard for theTelecommunications Infrastructure of Commercial Buildings
Administration Concepts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Identifiers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46Telecommunication Records . . . . . . . . . . . . . . . . . . . . . . . . . . 46Optional Linkages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Work Orders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46Identification Formats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Circuit Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48Administrative Labeling Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Summary of Record Elements . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Pathway & Space Administration . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 Wiring System Administration . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52Grounding and Bonding Administration . . . . . . . . . . . . . . . . . . . 54
Label Text . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54Label Color Coding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
45
Table of Contents
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46
TIA/EIA-606
Administrative ConceptsThe typical administration system includes records,
reports, drawings and work orders.
Identifiers
Each space, pathway, cable termination point andground is assigned a unique identifier—a number that can
be simply encoded to provide supplemental information.Telecommunication Records
Minimum required records for each cable, space,pathway, ground, termination hardware and position aremaintained. These records are required to be linked (cross-referenced) to all related records.
Optional linkages
Optional linkages may be made to other records. Suchrecords might include blueprints, PBX records, equipment inventories (phones, PCs, software, LAN, furniture) and usercodes (extension, account billing number, passwords).
It is desirable that reports can be generated from one ormore sets of interlinked records in a variety of formats.
Drawings
Drawings, both conceptual and as-built, include floorplans, cable schematics and rack layouts.
Work orders
Work orders may involve spaces, pathways, cables,splices, terminations or grounding, individually or incombination. The work order should list those responsiblefor physical changes, as well as those updating thedocumentation to ensure future accuracy.
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Identification Formats
A unique alphanumeric identification code is createdfor every location, pathway, cable and termination point.
Suggestions in the standard include:
Alphanumeric Identification Code
BCxxx bonding conductor
BCDxxx backbone conduit
Cxxx cable
CBxxx backbone cableCDxxx conduit
CTxxx cable tray
ECxxx equipment (bonding)conductor
EFxxx entrance facility
ERxxx equipment roomFxxx fiber
GBxxx grounding busbar
GCxxx grounding conductor
HHxxx handhole
ICxxx intermediate cross-connect
Jxxx jackMCxxx main cross-connect
MHxxx manhole or maintenance hole
PBxxx pull box
Sxxx splice
SExxx service entrance
SLxxx sleeve
TCxxx telecommunications closet
TGBxxx telecommunications groundingbusbar
TMGB telecommunications maingrounding busbar
WAxxx work area
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The actual format in the preceding chart is not mandatedby the standard. However, the chosen format must beconsistent and provide a unique identifier number for each
system element. This method lends itself to organization andupdating of multiple records by the use of powerful relationaldatabases (three-dimensional spreadsheet) programs.
Some Identifier Examples
J0001 Label for an information outlet jack
D306 Designation for a work area
3A-C17-005 Termination in closet 3A, column C,row 17, block position 005
Examples like those above (taken from the TIA/EIA 606text and Administrative Labeling Map) indicate the flexibility of conventions that can be established for purposes of
naming. Logical naming conventions can also convey considerable additional information about other linkages.
Circuit Example
As an alternate conceptual example, this string of codes (resembling links on an Internet address) logically describes a series of voice communication links. It can be
read as follows: JONES / X2440 / LC99 / A001V1 / C001 / TC.A001V1 / HC01 / Pr1.2. / MDF.C17005 / PBX.01A0203
Bob Jones,
at extension 2440,
is connected by line cord 99
to information outlet A001, voice jack 1.Cable 001 extends from that voice jack
To telecom closet A, where it terminates on a blocklabeled by adding TC in front of A001V1 (the I/O label).
The voice signals travel on house cable 01,
Carried on pairs 1, 2.
The pairs terminate at the main distribution frame in
column C, row 17, block position 005.
They are interconnected to PBX 01, row A, card 02, port 03.
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Administrative Labeling MapHere is a combination schematic/elevation view of a
structured telecommunications cabling system, detailing a TIA/EIA-606-compliant labeling scheme. The examplerecords in this booklet follow the labeling shown below.
GroundingElectrode
System
Cross-
Connect
Grounding
Busbar
Telecom.
Outlet
Outside
scope ofstandard
LEGEND
TMGB Term. Hdwr.B101-01
Term. Hdwr.C3R6
Term. Hdwr.C4R6
Term. Pos.B101-02-A1
EQUIPMENT
HardwareCross-connects
Eq.Bond.Cond.
EC101
EntrancePathway
CD02
Splice
S106
Term. Hdwr.
3A-A17
Term. Pos.3A-B19-05
HardwareCross-connects
Work Area
D306
Cable
C0001
Equipment User Code:8021
Term. Pos.
J0001
BackbonePathwaySL02-05
MH
HH
Term. Pos.
C4R6-001
Term. Pos.C3R6-001
Term. Hdwr.B101-02
Term. Pos.
B101-01-A1
GroundPathway
CD02
Term. Hdwr.3A-B19
Term. Pos.
3A-A17-001
Gnd'gBusbarTGB35
Eq. Bond. Cond.EC301
Equipment Room/Entrance Facility
ER101
Backbone CablesF16 CB02
BondingConductor
BC01
ManholeMH01
Entrance
CableCB01
Pathway
CT64
Work AreaD307
Term. Pos.J0011
CableC0011
Term. Hdwr.3A-C17
Term. Pos.3A-C17-005
Entrance
PathwayCD01
Entrance
CableF18
TelecommunicationsCloset 3A
Pathway
CD34
Term. Pos.
3A-C17-001
HandholeHH01
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Summary of Record ElementsThis table outlines the minimum required information
and required linkages. Further information is optional. A multi-dimensional database or spreadsheet is helpful.
Record Required Information Required Linkages To
Pathway Pathway Identification # Cable Records
Pathway Type Space Records
Pathways Pathway Fill Pathway Records
& Pathway Load Grounding Records
Spaces Space Space Identification # Pathway RecordsSpace Type Cable Records
Grounding Records
Cable Cable Identification # Termination Records
Cable Type Splice Records
Unterminated Pair #s Pathway Records
Damaged Pair #s Grounding Records
Available Pair #s
Termination Termination Hardware #s Term. Position Records
Wiring Hardware Term. Hardware Type Space Records
Damaged Position #s Grounding Records
Termination Termination Position # Cable Records
Position Term. Position Type Other Term. Records
User Code Term. Hardware RecordsCable Pair/Condition #s Space Records
Splice Splice Identification # Cable Records
Splice Type Space Records
TMGB TMGB Identification # Bonding Conductor
Busbar Type Records
Grounding Conductor #s Space Records
Resistance to EarthDate of Measurement
Grounding Bonding Bonding Conductor ID# Grounding Busbar
Conductor Type Records
Conductor Busbar Identification # Pathway Records
TGB Busbar Identification # Bonding Conductor
Busbar Type Records
Space Records
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Pathway & Space AdministrationHere are examples of a conduit path and telecom closet
space record (see Administrative Labeling Map). The TIA/EIA 606 standard also includes examples of cable tray, work area and manhole records.
Optional information could include length, maximum fill, bends,
drawing number, etc.
Explanatory Notes
conduit 43
size 2 metal conduit present fill
no conduit load spec.
office 306 floor 3,
closet A pull/splicebox above D302 other
pathway record
Pathway Record Sample Data
Required Information
Pathway Identification # CD43
Pathway Type 2” EMTPathway Fill 20%
Pathway Load N/A
Required Linkages
Cable Records C0001, C0002
Space Record (end 1) D306
Space Record (end 2) 3ASpace Record (access) D302
Pathway Record
Grounding Record N/A
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Optional information could include floor size, space served,drawing, key number, etc.
The design of pathways and spaces is defined by theTIA/EIA-569-A Commercial Building Standard forTelecommunications Pathways and Spaces.
Wiring System AdministrationOther examples in the TIA/EIA-606 standard include fiber
backbone and patch panel, horizontal UTP and others. Theconcept is outlined below (see Administrative Labeling Map).
Optional information could include length, ownership, etc.
Explanatory Notes
copper backbone cable 02copper Cat 3 riser
list of unterminated pairs
list of damaged pairs
list of pairs not in use
pair punchdown at each end
(pairs 2–99 not shown)
last pair punchdown
sleeve 02-05
Cable Record Sample Data
Required Information
Cable Identification # CB02Cable Type 100-pair CMR-3
Unterminated Pair #s 0-none
Damaged Pair #s 15, 37, 95
Available Pair #s 80-100
Required Linkages End 1 End 2
TerminationRecord Pr 1 C4R6-01 3A-A17-001
TerminationRecord Pr 100 C4R6-100 3A-A17-100
Splice Records N/A
Pathway Record SL02-05Grounding Record N/A
Explanatory Notes
floor 3, closet A
telecom closet
pathways terminating here
cables terminating here
grounding busbar
Space Record Sample Data
Required Information
Space Identification # 3A
Space Type TC
Required Linkages
Pathway Records CD34, CT64
Cable Records C0001, C0002
Grounding Record TGB35
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Optional information could include voltage protection positions
and type, etc.
Here is a termination position record for an information
outlet (see Administrative Labeling Map).
Optional information c.ould include jack catalog number, signal
type (voice/data), category, etc.
Explanatory Notes
information outlet jack 11
insul. displacement
connection
telephone extension
4-pair modular
cable serving this
information outlet
term. at other end
cross-connect term.
N/A for work area
office 307
Termination Position Sample Data
Required Information
Term. Position ID# J0011
Term. Position Type IDC
User Code x8021
Cable Pairs 1–4
Required Linkages
Cable Record C0011
Other Term. Pos. Record 1 3A-C17-005
Other Term. Pos. Record 2 3A-A17-001
Term. Hardware Record N/A
Space Record D307
Explanatory Notes
closet 3A, column C, row 17
110 punchdown block
none damaged
4-pair cable terminations
(positions 2-9 not shown)
last termination floor 3, closet A
Termination Hardware Sample Data
Required Information
Term. Hardware ID# 3A-C17
Term. Hardware Type 110
Damaged Position #s 0
Required Linkages
Term. Position Record 1 3A-C17-001
Term. Position Record 10 3A-C17-010
Space Record 3A
Grounding Record N/A
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The TIA/EIA-606 standard provides numerous examplesof single and separately administered spliced cables.
Optional information could include splice equipment, date,
name, etc.
Structured cabling system standards are defined by the ANSI/TIA/EIA-568-A Commercial Building TelecommunicationsCabling Standard.
Grounding/Bonding AdministrationTelecommunications systems require a reliable electrical
ground reference potential, provided by a dedicatedgrounding/bonding conductor network. Bonding conductorcabling shall be colored green or labeled appropriately with
an alphanumeric identifier and warning label.
Grounding records are similar to cable record format.
Grounding/Bonding Terms (with acronyms):
TMGB Telecom Main Grounding Busbar
TBB Telecom Bonding BackboneTGB Telecom Grounding Busbar
TBBIBC Telecom Bonding BackboneInterconnecting Bonding Conductor
WARNING
IF THIS CLAMP OR CABLE
IS LOOSE OR MUST BE REMOVED,
PLEASE CALL THE BUILDING
TELECOMMUNICATIONS MANAGER
Explanatory Notes
splice 106
splicing method
fiber cable 18
manhole 01
Splice Record Sample Data
Required Information
Splice Identification # S106
Splice Type Fusion
Required Linkages
Cable Record F18
Space Record MH01
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Label Color CodingShown here are the color codes used for termination
field labels.
Termination Type Color Comments
Demarcation Point Orange CO terminations
Network Connections Green also aux. circuit terms.
Common Equipment Purple PBX, Host, LANs, Mux
First-level Backbone White MC-IC terminations
Second-level Backbone Gray IC-TC terminationsStation Blue Horizontal cable terms.
Interbuilding Backbone Brown Campus cable terms.
Miscellaneous Yellow Aux., maint., security
Key Telephone Systems Red
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The Purpose of ANSI/TIA/EIA-607
This standard specifies a uniform telecommunicationsgrounding and bonding infrastructure that shall be followed
within commercial buildings.
Following the AT&T divestiture of 1984, the end-user
became responsible for all premises cabling for voice anddata. Advancements in voice communications and the
convergence of voice and data communications led toincreasingly complex interactive systems owned andmaintained by the end-user. These systems require a reliable
electrical ground-reference potential. Grounding by
attachment to the nearest piece of iron pipe is no longer
satisfactory to provide ground-reference for sophisticated
active electronics systems.
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ANSI/TIA/EIA-607ANSI/TIA/EIA-607 Commercial Building Grounding And Bonding Requirements ForTelecommunications
Design Considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Terms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58Schematic Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Table of Contents
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58
Design Considerations
Solid copper grounding busbars are installed
with insulated standoffs in entrance facilities(1/4" thick × 4" high × variable length) and theequipment room, as well as each telecom closet(2" high is sufficient here). Each busbar is drilledwith rows of holes according to NEMA standards,for attachment of bolted compression fittings.
Telecommunications equipment, frames,cabinets and voltage protectors are typicallygrounded to these busbars. Busbars are connectedby a backbone of insulated, solid copper cablebetween all closets and rooms (minimum 6 AWG,3/0 AWG recommended). This backbone is
connected to a main grounding busbar in thetelecommunications entrance facility, to an earthground in the electrical entrance facility, andto structural steel on each floor. Bondingconductor cabling shall be colored green orlabeled appropriately.
Terms• Telecommunications Main Grounding
Busbar (TMGB)
• Telecom Bonding Backbone (TBB)
• Telecom Grounding Busbar (TGB)
• Telecom Bonding Backbone Interconnecting BondingConductor (TBBIBC)
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Schematic of Grounding/Bonding Network
Telco Closet
GroundingElectrode
System
Electrical Entrance
Structural Steel
6 AWG Minimum
To Upper Floors
TelcomEquipment
Panel
TMGB
Telecommunications Entrance
TelcomEquipment
Panel
Equipment Room
TGB
Panel
TGB
TelcomEquipment
2"1/4"
Variable
TBB
TGB Detail
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60
The History of Anixter Levels Program
Over a decade ago, Anixter established the Anixter LevelsProgram as a means to distinguish among the hundreds of 4-paircopper cables available on the market. In 1992, the industry adopted the Levels specs as the standard.
Since then, Anixter has continued to lead the industry with its purchasing specification program, known as the
Anixter Levels Program. As mentioned, the Levels Programbegan as a component specification for UTP cable andconnecting hardware. It evolved into an end-to-end channelspecification, with three distinct levels of channelperformance, ALC (Anixter Levels Channel) 5, 6 and 7. Andtoday the Levels Program includes the revolutionary active
(Mbps-based) testing, called Levels XP.
Anixter Levels Labs now UL Certified
As the premier standards-based testingorganization in the world, UL® continues toprovide guidance and confidence to the data
communications industry. Under its CertificateServices, UL conducts an independent, third-party engineering and management systems audit to verify thecompliance of Anixter’s Levels Lab® with the testingprocesses, personnel training and data recording proceduresassociated with the Levels Program. Anixter submits its Levels
Lab to these audits each year to check that Anixter Levels’results are independently repeatable and verifiable.
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The Anixter Levels Program
Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
The Levels Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62Levels XP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Levels and the Standards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Comparison Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Table Of Contents
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62
The Anixter Levels® Program
The Levels Program is a set of purchasing specifications.
These specifications are designed to ensure the products wesell perform to your expectations. Our cabling solutions aredivided into three distinct performance levels so you canselect the solution that best meets your application needs:
The Levels Program is also a quality assurance program.In the Anixter Levels Lab®, products are continually testedfor compliance with the various Levels specifications
(see p. 64–65 for specification detail).Levels-rated products:
• Meet all national and international standards.• Are tested individually for compliance to Levels-
component specifications.• Combined channel solutions are tested for
compliance to ALC-specifications.• High-end combined channel solutions are tested for
Levels XP-compliance.• Channels include individually-tested patch cords.
Levels Application
5 Ethernet
6 Fast Ethernet
7 Gigabit Ethernet
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Levels XP
Levels XP—expanded performance—introduces
active (Mbps-based) testing. Active testing transcends thepassive (MHz-based) testing used in the Anixter LevelsChannel (ALC) and Levels component specifications andthose in industry standards.
Levels XP specifications require testing that examinesand characterizes everything from the PC to the server—
NICs, hub/switch ports, environmental factors, short cablelengths and much more. This active channel testing allows Anixter to verify network efficiency. It also indicates how wellactive and passive devices work together in the real world.
Testing an XP solution includes three essential steps:
1. Passive testing of all Levels-rated components
2. Passive and basic efficiency (SmartBits) testingof all end-to-end Anixter Level Channels (ALC)
3. Testing of active networking components overcabling systems in many environments and a variety of configurations.
To achieve Anixter Levels XP certification, each channel
must be able to transmit a series of worst-case Ethernet waveforms that represent typical network glitches. Thistesting is accomplished by running Fast Ethernet and Gigabit Ethernet over cabling systems and determining the efficiency of that cabling channel.
Bottom line: Levels XP ensures your data cabling solutionminimizes bit errors, reducing slowtime SM and making your
network more efficient.
Note: Levels XP 6 and XP 7 solutions exceed all existing standard.
There is no standard that requires active Mbps-based testing.
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6 4
* ( T h e
L O WE R t h en um b er ,t h e b et t er t h e s ol ut i on )
* * ( T h eH I GH E R t h en um b er ,t h e b et t er t h e s ol ut i on )
A T
T N *
( d B )
( d B )
( d B )
C a b l e
2 2
. 0
2 2
. 0
1 9 . 8
C o n n e c t o r
0 . 4
0 . 4
0 .2
C h a n n e l
2 4 . 0
2 4 . 0
2 1
. 3
P S
N E X T * *
C a b l e
n o t s p e c i f i e d
3 2
. 3
4 2
. 3
C o n n e c t o r
n o t s p e c i f i e d
n o t s p e c i f i e d
n o t s p e c i f i e d
C h a n n e l
n o t s p e c i f i e d
2 7 .1
3 7 .1
P S
A C R * *
C a b l e
n o t s p e c i f i e d
n o t s p e c i f i e d
2 2
. 5
C h a n n e l
n o t s p e c i f i e d
n o t s p e c i f i e d
1 5 . 8
P S
E L F E X T * *
C a b l e
n o t s p e c i f i e d
2 0 . 8
2 4 . 8
C o n n e c t o r
n o t s p e c i f i e d
n o t s p e c i f i e d
n o t s p e c i f i e d
C h a n n e l
n o t s p e c i f i e d
1 4 . 4
2 0 . 3
R e
t ur nL o
s s * *
C a b l e
1 5 . 0
2 0 .1
2 0 .1
C o n n e c t o r
1 4 . 0
2 0 . 0
2 4 . 0
C h a n n e l
n o t s p e c i f i e d
1 0 . 0
1 2
. 0
Passive Testing @ 100 MHz
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65
This chart is accurate as of 07/15/00. For an updated version, please visit
www.anixter.com/standards
Levels XP solutionsminimize errors—regardless of NIC orreceiver quality.
How Anix ter Leve l s Exceed the S tandards
ALC 5 ALC 6 ALC 7
XP 6 XP 7R98 R15.24L R15.24L 15.24XP 15.24XP
May-00 May-00 May-00 May-00 May-00
200 MHz 350 MHz 400 MHz 350 MHz 400 MHz
(dB) (dB) (dB) (dB) (dB)
22.0 22.0 19.9 21.3 19.7
0.4 0.4 0.2 0.4 0.2
24.0 24.0 20.9 23.1 20.7
32.3 34.3 43.3 34.3 43.340.0 41.0 50.0 41.0 50.0
27.1 28.6 37.6 28.6 37.6
10.3 12.3 23.4 13.0 23.6
3.1 4.6 16.7 5.5 17.0
20.8 23.8 25.8 23.8 25.8
n/a 34.0 40.1 34.0 40.114.4 16.8 20.8 16.8 20.8
20.1 20.1 20.1 21.5 22.5
20.0 21.0 24.0 21.0 24.0
10.0 10.0 12.0 12.0 14.0
Cat 5
Cat 5e
XP 6
XP 7
Source: Anixter
Levels Lab
Typical Errors per Port Test
E R R O R
R A T E S
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Reference Documents for FurtherInformation on Cabling Standards
TIA/EIA-568-A (1995)Commercial Building Telecommunications Cabling Standard
TIA/EIA-569-A (1998)
Commercial Building Standard for TelecommunicationsPathways and Spaces
TIA/EIA-570-A (1999)Residential and Light Commercial Telecommunication Wiring Standard
TIA/EIA-606 (1993)
Administration Standard for the TelecommunicationsInfrastructure of Commercial Buildings
TIA/EIA-607 (1994)
Commercial Building Grounding/Bonding Requirementsfor Telecommunications.
TIA/EIA-758 (1999)
Customer-Owned Outside Plant Telecommunications
Cabling Standard
IS0/IEC 11801 (1995)
Generic Cabling for Customer Premises
IEEE 802.3-1998 (1998)
Carrier Sense Multiple Access with Collision Detection
(CSMA/CD) Access Method and Physical layer Specification(also known as ANSI/IEEE Std 802.3-1998 or ISO 8802-3:1990 (E))
IEEE 802.5-1998 (1998)
Token Ring Access Method and Physical LayerSpecifications (also known as ANSI/IEEE Std 802.5-1998)
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Obtaining TIA and EIA Documents
TIA and EIA documents may be purchased through
Global Engineering Documents at 1-800-854-7179 orwww.global.ihs.com. IEEE documents may be purchasedthrough IEEE, P.O. Box 1331, Piscataway, NJ 08855 orwww.ieee.org . CSA documents may be purchased throughthe Canadian Standards Association at www.csa.ca or call(416) 747-4000.
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Notes
_________________________________________________________
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_________________________________________________________
_________________________________________________________
_________________________________________________________
_________________________________________________________
_________________________________________________________
_________________________________________________________
_________________________________________________________
_________________________________________________________
_________________________________________________________
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For further assistance or more information contact yourlocal Anixter sales office, or 1-800-ANIXTER.
Worldwide Headquarters: Anixter Inc.4711 Golf Rd.
Skokie, IL 60076-1278847/677-2600
http://www.anixter.com
Some material in this publication is reproduced fromstandards publications which are copyrighted by theTelecommunications Industry Association. Where suchmaterial is used, it is included by written permission of the
copyright holder.This handbook was prepared by Anixter Inc., which is
not affiliated with the Telecommunications Industry Association or the Electronic Industries Alliance. Neither EIA nor TIA are responsible for the content of this publication.
For direct assistance in interpreting telecommunications
standards, consider Registered Communications DistributionDesigners (RCDD) certified by the Building Industry Consulting Service International (BICSI) at (800) 242-7405or www.bicsi.org . Hundreds of Anixter technicalprofessionals are registered with BICSI.
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