ISO/IEC 11801:1995/Cor 2:1997

INTERNATIONAL STANDARD ISO/IEC 11801 :I 995
TECHNICAL CORRIGENDUM 2
Published 1997-06-I 5
INTERNATIONAL ORGANIZATION FOR STANDARDIZATION l MEJKjJYHAPOjJHAfl OPrAHM3AlJMfl IlO CTAHCV\PTM3ALjMM l ORGANISATION INTERNATIONALE DE NORMALISATION
INTERNATIONAL ELECTROTECHNICAL COMMISSION l ME2WHAPOjIlHAR 3JlEKTPOTEXHWECKAfi KOMMCCMf ’i l COMMISSION ~LECTROTECHNIOUE ~NTERNAT~ONALE
Information technology - Generic cabling for customer
premises
TECHNICAL CORRIGENDUM 2
Technologies de / ‘information - Gblage g&Grique des locaux d ’utilisa teurs
RECTIFICA T/F TECHNIQUE 2
Technical Corrigendum 2 to International Standard ISO/IEC 11801:1995 was prepared by Joint Technical
Committee ISO/IEC JTC 1, information technology, Subcommittee SC 25, interconnection of information technology
equipment.
Page 15
Subclause 5.5.3
Replace paragraph 3 by the following:
A minimum of one TO served by 100 a or 120 a cable shall be provided at each work area ’) (100 Sz
preferred). Other TOs shall be supported by either balanced cable or by fibre optical cable. In the
horizontal cabling, at least one TO shall be configured as specified in item b of 6.1.3 (balanced or
optical fibre cable) or at least one TO shall be served by either class D or optical class, as identified in
7.1 .l . When a TO is supported by balanced cable, 2 pairs*) or 4 pairs shall be provided at each TO; all
pairs shall be terminated. If less than four pairs are provided, the outlet shall be clearly marked3!
Emerging balanced cable applications may be limited by differential delay of pairs that serve a single
telecommunications outlet. See clause 9 for TO specifications that correspond to each of the cables
listed above.
ICS 35.200 Ref. No. lSO/IEC 11801:1995/Cor.2:1997(E)
Descriptors: data processing, information interchange, telecommunications,
buildings, premises, communication cables, cabling,
specifications, performance, verification.
0 ISO/lEC 1997
Printed in Switzerland
@ ISOAEC
ISOAEC II 1801: 1995Kor.2: 1997(E)
Page 25
Subclaus
...