1、INTERNATIONAL TELECOMMUNICATION UNION)45G134 - TELECOMMUNICATIONSTANDARDIZATION SECTOROF ITU-!).4%.!.#%G0 ).4%2.!4)/.!,G0G04%,%0(/.%G0G0#)2#5)43/2!.):!4)/.G0G0/&G0G02/54).%G0G0-!).4%.!.#%-%!352%-%.43G0G0/.G0G0#)2#5)43)45G134G0G0RecommendationG0G0- (Extract from the “LUEG0“OOK)NOTES1 ITU-T Recommenda
2、tion M.600 was published in Fascicle IV.1 of the Blue Book. This file is an extract fromthe Blue Book. While the presentation and layout of the text might be slightly different from the Blue Book version, thecontents of the file are identical to the Blue Book version and copyright conditions remain
3、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 reserved. No part of this publication may be reproduced or utilized in any form or by
4、 any means, electronic ormechanical, including photocopying and microfilm, without permission in writing from the ITU.Fascicle IV.1 - Rec. M.600 1Recommendation M.600Fascicle IV.1 - Rec. M.600ORGANIZATION OF ROUTINE MAINTENANCE MEASUREMENTS ON CIRCUITSThe organization of routine maintenance measurements on all telephone-type circuits should follow the generalrequirements given in Recommendation M.733.