1、INTERNATIONAL TELECOMMUNICATION UNION)45G134 , TELECOMMUNICATIONSTANDARDIZATION SECTOROF ITU#/.3425#4)/. G0G0).34!,!4)/.G0G0!.$02/4%#4)/.G0G0/&G0G0#!“,%3G0G0!.$G0G0/4(%2G0G0%,%-%.43/&G0G0/543)$%G0G00,!.43#/.3425#4)/. G0G0).34!,!4)/.G0G0!.$02/4%#4)/.G0G0/&G0G04%,%#/-5.)#!4)/.#!“,%3G0G0).G0G005“,)#G0G
2、0.%47/2+3)45G134G0G0RecommendationG0G0, (Extract from the “LUEG0“OOK)NOTES1 ITU-T Recommendation L.1 was published in Volume IX of the Blue Book. This file is an extract from theBlue Book. While the presentation and layout of the text might be slightly different from the Blue Book version, theconten
3、ts of the file are identical to the Blue Book version and copyright conditions remain unchanged (see below).2 In this Recommendation, the expression “Administration” is used for conciseness to indicate both atelecommunication administration and a recognized operating agency. ITU 1988, 1993All rights
4、 reserved. No part of this publication may be reproduced or utilized in any form or by any means, electronic ormechanical, including photocopying and microfilm, without permission in writing from the ITU.Volume IX - Rec. L.1 1Recommendation L.1Volume IX - Rec. L.1CONSTRUCTION, INSTALLATION AND PROTE
5、CTION OFTELECOMMUNICATION CABLES IN PUBLIC NETWORKS(Melbourne, 1988)The CCITT,considering(a) that the location of faults on underground cables and the repair of these faults can entail great expense,(b) that the interruptions to service likely to be caused by the occurence of these faults must be av
6、oided withthe greatest care,(c) that the occurence of these faults, other than by outside factors, is mainly determined by the construction,installation and protective measures applied,unanimously recommendsthat, when selecting and installing cables, Administrations will find it in their interest to
7、 comply with theCCITT manual Outside plant technologies for public networks.This manual replaces the CCITT Recommendations concerning the construction, installation and protection oftelecommunication cables in public networks, ITU, Geneva, revision 1974, amendments and additions 1977 and 1986.The ma
8、nual consists of the following five parts:Part I: Basic information about the construction of telecommunication cablesPart II: Installations and assemblage of telecommunication cables and their supporting structurePart III: Pressurization of telecommunication cablesPart IV-A: Protection of telecommunication cables and associated hardware against corrosionPart IV-B: Protection of telecommunication cables supports and underground structure against other hazardsPart V: Fault location and repair of telecommunication cables.
