This Recommendation covers the maintenance of that part of the ISDN subscriber primary rate access which is controlled by the network. The Recommendation follows the maintenance principles as defined in Recommendation M.20 and applies to the primary rate access connected to the local exchange.
ITU-T M.3603 SPANISH-1992 Referenced Document
ITU-T G.704 Synchronous Frame Structures Used at 154463122048 8448 and 44 736 kbit/s Hierarchical Levels - Series G: Transmission Systems and Media Digital Systems and Networks Digital Transmission Systems - Terminal Equipments - General Study Group 15; 44 pp*， 1998-04-19 Update
ITU-T G.706 Frame Alignment and Cyclic Redundancy Check (CRC) Procedures Relating to Basic Frame Structures Defined in Recommendation G.704 (Study Group XVIII) 19 pp
ITU-T I.431 PRIMARY RATE USER-NETWORK INTERFACE LAYER 1 SPECIFICATION Study Group 18*， 1993-03-01 Update
ITU-T M.20 Maintenance Philosophy for Telecommunication Networks - Maintenance: Introduction and General Principles (Study Group IV) 24 pp
ITU-T M.2100 Performance limits for bringing-into-service and maintenance of international multi-operator PDH paths and connections SERIES M: TMN AND NETWORK MAINTENANCE: INTERNATIONAL TRANSMISSION SYSTEMS@ TELEPHONE CIRCUITS@ TELEGRAPHY@ FACSIMILE AND LEASED CIRCUITS*， 2003-04-01 Update
ITU-T M.3600 Principles for the Management of ISDNs Study Group IV
ITU-T M.3602 Application of Maintenance Principles to ISDN Subscriber Installations Study Group IV
ITU-T M.3640 Management of the D-Channel - Data Link Layer and Network Layer - Maintenance: ISDN (Study Group IV) 24 pp
ITU-T Q.512 Digital Exchange Interfaces for Subscriber Access - Digital Exchanges (Study Group 11) 14 pp*， 1995-01-01 Update
ITU-T Q.931 ISDN user-network interface layer 3 specification for basic call control Study Group 11*， 1998-05-01 Update
ITU-T M.3603 SPANISH-1992 history
1992ITU-T M.3603 SPANISH-1992 Application of Maintenance Principles to ISDN Basic Rate Access Study Group IV