1、INTERNATIONAL TELECOMMUNICATION UNION)45G134 - TELECOMMUNICATIONSTANDARDIZATION SECTOROF ITU-!).4%.!.#% ).4%2.!4)/.!,G0G0,%!3%$G0G0#)2#5)4342!.3-)33)/.G0G0-!).4%.!.#%G0G00/).4).4%2.!4)/.!,G0G0,).%G9G0G0 4-0G13),G9)45G134G0G0RecommendationG0G0- (Extract from the “LUEG0“OOK)NOTES1 ITU-T Recommendation
2、 M.1014 was published in Fascicle IV.2 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 unc
3、hanged (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 an
4、y means, electronic ormechanical, including photocopying and microfilm, without permission in writing from the ITU.Fascicle IV.2 - Rec. M.1014 1Recommendation M.1014Fascicle IV.2 - Rec. M.1014TRANSMISSION MAINTENANCE POINT (INTERNATIONAL LINE) (TMP-IL)1 Definition of transmission maintenance point (
5、international line)The transmission maintenance points (international line) are elements within the general maintenanceorganization located at the terminals of that part of a leased or special circuit known as the international line. Aninternational line is defined in Recommendation M.1010. The clas
6、s of circuits considered here are also referred to inRecommendations M.1012 and M.1013 concerning circuit control and sub-control functions for international leased andspecial circuits.2 Responsibilities and functionsThe transmission maintenance point (international line) is responsible for the foll
7、owing set of functions:2.1 Carrying out transmission measurements on the international line as appropriate for line-up and subsequentmaintenance purposes.2.2 Carrying out transmission measurements and tests in conjunction with TMP-IL points in other countries tolocalize faults to the international l
8、ine, or beyond, and taking subsequent fault clearance action, as appropriate.2.3 Carrying out those functions in accordance with national procedures that will result in the isolation andclearance of any fault located in its country on behalf of the transmission maintenance point (international line)
9、 of thecountry with circuit control. Such functions should also be carried out where the circuit control station is located in itsown country.2.4 Acting as liaison point with other countries in maintenance matters of mutual concern, as required.3 FacilitiesThe TMP-IL should be provided with the foll
10、owing facilities:3.1 Access to the line access point directly or indirectly.3.2 Association of test equipment to the line access points directly or indirectly to permit specified line parametersto be measured and fault localization to be made.3.3 Communication with circuit control and sub-control stations in its own country.3.4 Communication with TMP-ILs in other countries to which circuits are routed to enable cooperation andinformation to be obtained and given.
