ISO/IEC 11801:1995

ISOAEC
INTERNATIONAL
11801
STANDARD .
First edition
1995-05-3 1
Corrected and reprinted
1995-07-l 5
Information technology -
Generic cabling for customer premises
Technologies de /‘information -
Cab/age g&Grique des locaux d’utiiisateurs

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ISOAEC 11801:1995(E)
Contents
. . .
VIII
Foreword
~mmmmmmmmmmmmmmmmmmmmmmmammmmmmmmmm~~mmmmmmmmm~~mmmmmmmmmmmmmmmmmmmmmm~mmmmmmmm~mmmmommmmmm~mmmm~mmmm~mmmmmm~9~~*~~~m~mmm~~m~mmmamm~mmmmmm~mm~
1
1 Scope mmm*mm****m*mm***m***m*aaaaammmammmaaaaaaaaamammmmmmama*****mm**************************m****mm************************m**************mm****
2
mmmmomommmmmmommmmmmmmmmmmmmmmmommmmmmmmmmmmmmmmmmmmmmmm~mmm~mmmm8~mmmmm~mmmmmmmmmmmmmmmmmmaemmmmmmmmmmmmmmmmmmmmm
2 Normative references
4
3 Definitions and abbreviations mmmaaa*mmmmamaaaaammmaaaaaamamm********mm******mmm*mm*mm******m**********mmm*****m**m*********m**maa
4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*.
3.1 Definitions
7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3.2 Abbreviations
8
4 Conformance mm8mmmmmmmmmmmmmmmmmmmmmmmmmwom*mmmmmmmmmmmmammmommommommmmmmmmmmmmm~mmmmmomommmmmmmmmmmmmmmmmmmmmmmmmmmmmmommmmmmmmmmmmmmmmmmmm
9
mmmmmmmmmmmwmm~mmmmmmmmmmmmmmmmmmmmmmmammmmommmmmmmmmmmmmmmmmmmmmommmmmmmmmmmmmmmmm
5 Structure of the generic cabling system
9
5.1 Structure .
9
51.1 Functional elements .
9
...................................................................................................
51.2 Cabling subsystems
10
.....................................................................
51.3 Campus backbone cabling subsystem
10
.....................................................................
5.1.4 Building backbone cabling subsystem
IO
...................................................................................
5.1.5 Horizontal cabling subsystem
10
5.1.6 Work area cabling .
11
5.2 Overall structure .
13
...........................................................................................................
5.3 Location of distributors
14
...............................................................................
5.4 Interfaces to the generic cabling system
14
...........................................................................................
5.4.1 Public network interface
15
5.5 Dimensioning and configuring .
15
........................................................................................................
5.5.1 Floor distributor
................................. 15
5.5.2 Preferred cable types for pre-cabling and recommended use
15
.....................................................................................
5.5.3 Telecommunications outlets
16
................................................
5.5.4 Telecommunications closets and equipment rooms
16
5.5.5 Building entrance facilities .
16
5.6 Electromagnetic compatibility .
16
5.7 Earthing and bonding .
17
6 Implementation mmmmmmm0mmmmmmmmmmmmmmommommmmmmmommmmmmmmmmmmmwmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmommmmmmmmmmmmmmmmmmommmmmmmmmmmmmmmmmmmm
18
6.1 Horizontal cabling .
18
.................................................................................................
6.1.1 Horizontal distances
19
6.1.2 Choosing cable types .
20
6.1.3 Configuring TOs .
21
6.2 Backbone cabling .
21
6.2.1 Physical topology .
21
...............................................................................................
6.2.2 Choosing cable types
22
.....................................................................................
6.2.3 Backbone cabling distances
@ ISO/lEC 1995
All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means, electronic or
mechanical, including photocopying and microfilm, without permission in writing from the publisher.
lSO/lEC Copyright Office 0 Case Postale 131 0 CH-1211 Genbe 20 l Switmland
Printed in Switzerland
ii

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ISOAEC 11801:1995(E)
Link specifications
7 **m*****aa*~.~aaammaaaaaaaaaaaaa*aa88888aaaam**m*****mmaamaa8****mm**aa**aamam************************************* 23
7.1 Classification of applications and links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24
7.1.1 Application classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*.*=. 24
.
7.1.2 Link classification ,.*=*=~. 24’
7.2 Balanced cabling links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-.
25
7.2.1 Characteristic impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
25
7.2.2 Return loss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
26
7.2.3 Attenuation *. 26
7.2.4 Near-end crosstalk loss . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
7.2.5 Attenuation to crosstalk loss ratio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
7.2.6 DC resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
28
7.2.7 Propagation delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
29
7.2.8 Longitudinal to differential conversion loss (balance)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
7.2.9 Transfer impedance of shield . 29
7.3 Optical fibre links . 30
7.3.1 Optical attenuation . 30
7.3.2 Multimode modal bandwidth . 31
7.3.3 Return loss . 31
7.3.4 Propagation delay . 31
8 Cable requirements
mmmmmmaammmmmmammammmmmomm*mamaaa*maaa*mmmm*m*mmmomommm*mm*mm**m*mm*m*m*****m*momm******m****m**o***m*m***o****m**m 32
8.1 General requirements for 100 Sz and 120 Sz balanced cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*. 33
8.1 .l Additional requirements for 100 f2 balanced
cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
8.1.2 Additional requirements for 120 a balanced cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
36
8.2 General requirements for 150 Sz balanced cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
8.3 Additional crosstalk considerations for balanced cables
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
8.3.1 Power summation
. . . . . . . . . . . . . . . . . . . . . . .~.~. 39
8.3.2 Hybrid and multi-unit cables and cables connected to multiple TOs.
...................... 39
8.4 Multimode optical fibre cables . 40
8.5 Singlemode optical fibre cables
............................................................................................. 40
9
Connecting hardware requirements maa*aamm*m*m*m****m*m*mm*mm*mmm~**mmmmmm**m****mmmmmm******mmmmmm*mm*******mmmmmm***m*** 41
9.1 General requirements .
41
9.1.1 Location .
41
9.1.2 Design .
42
9.1.3 Operating environment
............................................................................................. 42
9.1.4 Mounting
................................................................................................................... 42
9.1.5 Cross-connect jumpers and patch cords
.................................................................. 42
9.1.6 Installation practices . 43
9.1.7 Marking and wlour coding .
43
9.2 Connecting hardware for 100 In and 120 Sz cabling .
43
9.2.1 General requirements .
43
9.2.2 Performance marking .
44
9.2.3 Mechanical characteristics .
44
9.2.4 Electrical characteristics . 45
9.2.5 Telecommunications outlet requirements . 46
9.2.6 Installation practices .
46
9.3 Connecting hardware for 150 Sz cabling . 47
9.3.1 General requirements . 47
9.3.2 Performance marking . 47

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ISOIIEC 11801:1995(E)
47
.......................................................................................
9.3.3 Mechanical characteristics
48
...........................................................................................
9.3.4 Electrical characteristics
48
.................................................................
9.3.5 Telecommunications outlet requirements
49
.................................................................................................
9.3.6 Installation practices
49
.........................................................................................
9.4 Optical fibre connecting hardware
49
...............................................................................................
9.4.1 General requirements
....................................................................................... 49
9.4.2 Marking and wlour coding
..................................................................... 49
9.4.3 Mechanical and optical characteristics
................................................................. 50
9.4.4 Telecommunications outlet requirements
50
..................................................................
9.4.5 Cross-connect jumpers and patch cords
50
..........................................................................................
9.4.6 Optical fibre connectivity
51
10 mmmmaaaaaa*mmaammmmammmm*****m*mmmmm*aaaammama*a*****m**m*mmmmm******mm*m***mm*m**mm*m*m***m*m**m*m***m*********m*mm
Shielding practices
51
.....................................................................................................................................
10.1 EMC
51
............................................................................................................................
10.2 Grounding
53
mmmmmm*mmm*mmmmm*mmm*mmm*mm*m*mmammmmmmmmmmmmmaaaaam*aaamm*mma*m*mmmmmmm**mm*m*mmmmmmmmmmmmmm*mm*mm*mm*m*mm*mm*m**m*mmmmmmm
11 Administration
53
. . . . . . . . . . . . . . . . . . . . . . . . . . . . .~.
11 .l Scope of administration
53
11.2 Identifiers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
53
11.3 Records . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
53
11.3.1 Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Annexes
54
A m***emmmmo**mmmmmmm*mmmmmmmmmamommmm**mm****m************mm***m****mmmmmme*mmmmm*mmmm*mmm****m*m*mmmmmmmmm*mm***mm**mmmmm
Test procedures
54
.......................................................................................................
A.1 Link performance testing
54
.................................................................................
A.1 .l Testing balanced cabling links
57
.............................................................................
A.l.2 Testing optical fibre cabling links
58
A.l.3 Link tests .
59
......................................
A.2 Transmission testing of connecting hardware for balanced cabling
59
A.2.1 Purpose and scope .
59
A.2.2 Applicability .
60
A.2.3 Test parameters .
......................... 61
A.2.4 Transmission testing of connecting hardware for balanced cables
............... .64
A.3 Termination procedure and setup verification for modular jack and plug testing.
64
................................................................................................
A.3.1 Test plug termination
66
..............................................................................
A.3.2 Balun and test plug qualification
67
.......................................................................
A.3.3 Typical TO measurement procedure
69
l m*m*mm*m*************mmm***m*mm*m*m*mmm*
B Reliability testing of connecting hardware for balanced cabling
69
B. 1 Introduction .
70
8.2 Contact resistance measurement .
70
..............................................................................................................
B.3 Insulation resistance
70
...............................................................................................................................
8.4 Durability
70
B.5 Vibration .
71
B.6 Stress relaxation .
71
B.7 Thermal shock .
71
...................................................................................................
B.8 Humidity/temperature cycle
72
...................................................................................................................
B.9 Corrosion testing
l ****mmm*m***mm*****a*aaaaaamaaaamaa 73
C Requirements for flexible 100 Q 120 n and 150 Sz balanced cables
73
C. 1 General requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
iv

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lSO/IEC 11801:1995(E)
C.2 Additional requirements for 150 Sn flexible cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
73
D
Topology ********m****m*mm***mmmmm**am**ammmmmmmmmaaamamammmmmmmmm8mmmaaaam**a*********m**************a*mm*mmm*****m*0m*mm**mm**mmmm******aaaa 75
D. 1 Common topologies .
75
D. 1.1 Network topology
..................................................................................................... 75
0.2 Configurations . 76
0.3 Application of the structured framework . 77
E Acronyms for balanced cables mmmmmmmmmaaaammmama******a*amamaa*mmmm*a***aammmmm**a****mmammm*am*mammmmm*mmmmmmmmmm*ammmmmmmma 79
F Tutorial on link performance mamamamaamaaaaaamaaa*****mmmm*m*a*mamaam*a*mmaaaaa***m***mmmm****am**mmm*******m*a**m**maa*****m*mmm
80
F. 1 Balanced cable transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
80
F. 1.1 Link parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
F.1.2 Link parameter values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
F.2 Optical cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
G Supported applications mmmmm*mommmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmammmmmm*mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
83
H Fibre optic connectivity planning guide
mmmmmammmmmmmmmmmmmmmmma*mammmmm***mmmmmmmmmmmmmmmammmmmmmmmmmmmmmmmmmmmmmmmmmmamm 86
H. 1 Introduction
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .*. 86
H.2 General recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
H.3 Connectivity options at the TO . 87
H-3.1 Duplex SC connectivity configuration .
87
H-3.2 Simplex BFOC/2,5 connectivity configuration .
88
H.3.3 Simplex BFOC/2,5-to-Duplex SC (hybrid) connectivity configuration
...................... 88
J Bibliographical references
mmmmmmmmmmm*mmmmmmmmmmmmmmmmommmmmmmmm*mmmmmmmmmommmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm 89
V

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ISOAEC 11801:1995(E)
Figures
9
l- Structure of generic cabling .
11
2- Inter-relationship of functional elements .
12
39 .
Example of the generic cabling system
13
................................................................................
4- Typical accommodation of functional elements
14
..............................................................................................
5- Potential interfaces to generic cabling
17
....................................................................................................................
6- Maximum cable lengths
18
........................................................................................................
7a - Horizontal link model - copper
19
......................................................................................................
7b - Horizontal cabling model - fibre
19
................................................................................
7 - Horizontal cabling models for copper and fibre
20
..........................................................................................
8 - Typical horizontal and work area cabling
21
9 - Backbone star topology .
22
. 10 - Maximum backbone distances .
11 - Example of a system showing the location of cabling interfaces and the extent of
23
associated links .
................................................................... 46
12 - Eight position jack pin and pair grouping assignments
55
A. 1 - Measurement configuration .
55
A.2 - Calibration configuration .
57
A.3 - Calibration .
57
......................................................................................................................................
A.4 - Test setup
63
A.5 - Balun and test lead attenuation measurement .
63
.....................................................................................
A.6 - Attenuation measurement using resistors
64
........................................................................
A.7 - Balanced test leads and jacket prior to untwisting
65
...............................................................
A.8 - Balanced test leads and jacket prior to plug termination
65
A.9 - Completed test plug .
measurement 67
A. 10 - Test plug qualification .
........................................................................................ 68
A.1 1 - Typical TO NEXT measurement setup
69
8.1 - Reliability test programme .
75
D-1 - Common topologies .
................................................... 76
0.2 - Acwmodating star cabling topology in a bus pathway topology
76
0.3 - Star cabling topology .
......................................................... 76
0.4 - Ring system topology realised from a star cabling topology
77
D.5 - Bus system topology realised from a star cabling topology .
77
...........................................................................
D-6 - Example of voice services over generic cabling
D.7 - Inter-relationship of functional elements in an installation with diversity for protection
78
against failure .
79
E-1 - Cable types .
............................................................................................ 87
H.1 - Duplex SC connectivity configuration
88
...............................................................................
H.2 - Simplex BFOC/2,5 connectivity configuration
........................................... 88
H.3 - Simplex BFOC/2,5-to-Duplex SC (hybrid) connectivity configuration
vi

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ISO/IEC 11801:1995(E)
Tables
15
...............................................................................................
1 - Recommended media for pre-cabling
...................................... 25
2 - Channel lengths achievable with different categories and types of cabling
26
.................................................................................
3 - Minimum return loss at each cabling interface
26
............................................................................................................
4 - Maximum attenuation values
......................................................................................................................... 27
5 - Minimum NEXT loss
28
6 - Minimum ACR values .
28
7 - Maximum d.c. loop resistance .
29
8 - Maximum propagation delay .
29
9 - Longitudinal to differential conversion loss .
...