1、INTERNATIONAL TELECOMMUNICATION UNION)45G134 - TELECOMMUNICATIONSTANDARDIZATION SECTOROF ITU-!).4%.!.#% ).4%2.!4)/.!,G0G04%,%0(/.%G0G0#)2#5)43andb) make such fault reports to other points and initiate the fault location and clearing operations.2 Responsibilities and functionsThe fault report point (
2、network) is responsible for the following set of functions:2.1 Receiving fault reports from: similar fault report points of other Administrations; traffic operating personnel; customers via the appropriate customer service points; service observation staff; accounting (charging) analysis service; st
3、aff at the network analysis point; various maintenance centres including information regarding the quantities of equipment or circuitsavailable following a major breakdown; telecommunication services concerned with the national network of the country; any other source.2.2 Recording the fault reports
4、 and keeping fault records up to date.2.3 Performing preliminary diagnosis to determine to which maintenance unit the fault has to be assigned forclearance.2.4 Initiating detailed fault location and subsequent clearing.2.5 Sending fault reports as appropriate to similar fault report points of other
5、Administrations.2 Fascicle IV.1 - Rec. M.7162.6 Providing the information and cooperation needed to deal with inquiries by traffic and maintenance staff or byfault report points of another Administration.2.7 Advising the network analysis point, the system availability information point and the netwo
6、rk management(implementation and control) point (see Recommendation E.413 1) of faults affecting the automatic telephone service.2.8 Arranging where appropriate for the withdrawal from service of faulty equipment and restoral after clearance.2.9 Keeping informed of the progress of fault clearance.2.
7、10 Receiving the information about the cause of the faults.2.11 Notifying details of fault clearance to the point of origin of a fault report when the fault has been cleared.2.12 Keeping general routing information, diagrams or plans of the arteries relevant to the international network andthe natio
8、nal network of the country concerned up to date.2.13 Making an analysis of faults as may be necessary.2.14 Identifying repeated faults, and advising the circuit control station.2.15 Forwarding details of faults found or faults the cause of which could not be detected to the network analysispoint for
9、 analysis to detect long-term trends.2.16 Advising all fault report points (network) that may be concerned with changes in the numbering plan of itscountry together with actions taken to deal with calls to old numbers.3 FacilitiesThe fault report point (network) should be provided with the following
10、 facilities:3.1 Service circuitsAccess to various kinds of service circuits, e.g.: direct telephone service circuits to relevant contact points within its Administration or to otherAdministrations in the home country or in other countries; teleprinter circuits; telex, teletex, telefacsimile, etc.3.2
11、 Access to appropriate network information, e.g. number of circuits in service, routing plans, networkconfiguration.3.3 Access to information from relevant supervisory functions of stored-program controlled (SPC) exchangesand/or transmission systems, for instance, by means of data terminals.Reference1 CCITT Recommendation International network management-Planning, Vol. II, Rec. E.413.