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Std ID Description (Standard Title)
YD/T 1235.1-2002 Performance requirements for surge protective devices connected to low-voltage distribution systems of telecommunication stations/sites
YD/T 1235.2-2002 Testing methods for surge protective devices connected to low-voltage distribution systems of telecommunication station/sites
YD/T 1236-2002 The technical requirement and test method for video conference system based on N-ISDN
YD/T 1237-2002 The technical requirement and test method for PSTN videophone
YD/T 1238-2002 Technical requirement for SDH multi-service transport platform
YD/T 1239-2002 Access network technical specifications. Very-high-speed Digital Subscriber Line
YD/T 1240-2002 Test Method for Access Network. Broadband Access Network Based on Ethernet Technology
YD/T 1241-2002 800MHz CDMA digital cellular mobile telecommunication network technical requirements and test methods for repeater
YD/T 1242-2002 900/1800MHz TDMA digital cellular mobile telecommunication network test methods for general packet radio service switching sub-system equipment
YD/T 1243.1-2002 Technical specification for IP trunk media gateway
YD/T 1243.2-2002 Technical specification for media gateway. ATM trunk equipment
YD/T 1243.3-2002 Technical specification for media gateway. Integrated access media gateway
YD/T 1243.4-2008 Technical Requirements for Media Gateway. Providing Multimedia Services
YD/T 1244-2002 Requirement and measurement methods of electromagnetic compatibility for xDSL equipment
YD/T 1245-2002 Electronic commercial application level protocol under mobile environment (non shopping type)
YD/T 1246-2002 Test method of ATM switch equipment
YD/T 1247-2002 Technical condition of optical transmitter module for optical fiber analog transmission
YD/T 1247-2013 Transmitting optical subassembly for optical fiber analog transmission
YD/T 1248.1-2003 Short Message Service Based on PSTN. Part 1: Technical Requirements and Testing Methods of Short Message Terminal Equipment
YD/T 1248.2-2003 Short Message Service Based on PSTN. Part 2: Technical Requirement of Transmission Protocol between short Message Terminal Equipment and Center
YD/T 1248.3-2004 Short Message Service Based on PSTN. Part 3: Technique requirements of short message centre
YD/T 1248.4-2005 Part 4: Test methods of short message centre based on PSTN
YD/T 1249-2003 The Technical Requirements of Integrated Intelligent Network System
YD/T 1250-2003 Test method for access network. Passive optical network based on ATM (A-PON)
YD/T 1251.1-2003 The conformance testing specification for intermediate system to intermediate system routing exchange protocol (IS-IS)
YD/T 1251.1-2013 The conformance testing specification for intermediate system to intermediate system routing exchange protocol (IS-IS)
YD/T 1251.2-2003 The conformance testing specification for Open Shortest Path First (OSPF)
YD/T 1251.2-2013 The conformance testing specification for open shortest path first(OSPF))
YD/T 1251.3-2003 The conformance testing specification for border gateway protocol (BGP4)
YD/T 1251.3-2013 The comformance testing specification for border gateway protocol (BGP4)
YD/T 1252-2003 The technical requirements of intelligent network equipment. Integrated Service Control Point (ISCP)
YD/T 1253-2003 Test method of intelligent network equipment. Intelligent Peripheral (IP)
YD/T 1254-2003 Access network technical specification. TDD based Ethernet Digital Subscriber Line system (TDD-EDSL): Variable length frame transmission mode
YD/T 1255-2003 Technical Specification for Ethernet Switch with Routing Capability
YD/T 1255-2013 Technical specification for Ethernet switch with routing capability
YD/T 1256-2003 Supplementary Specification of IN CS-1 INAP
YD/T 1257-2003 Test specification of supplementary specification of IN CS-1 INAP
YD/T 1258.1-2003 The series of indoor optical fibre cables part 1: general
YD/T 1258.1-2015 Indoor optical fibre cables Part 1: general
YD/T 1258.2-2003 The series of indoor optical fibre cables part 2: single-fibre optical cable
YD/T 1258.2-2009 The series of indoor optical fiber cables. Part 2: Simplex and duplex cable for use in terminated cable assemblies
YD/T 1258.3-2003 The series of indoor optical fibre cables part3: dual-fibre optical cable
YD/T 1258.3-2009 The series of indoor optical fiber cables. Part 3: Simplex and duplex cable for use in premises cabling
YD/T 1258.4-2005 The series of indoor optical fiber cables. Part 4: Multi-fiber optical cables
YD/T 1258.5-2005 The series of indoor optical fiber cables. Part 5: Optical fiber ribbon cables
YD/T 1258.6-2006 The series of indoor optical fiber cables. Part 6: Plastic optical cables
YD/T 1259-2003 Technical specification for optical safe procedure for Wavelength Division Multiplexing(WDM) system
YD/T 1260-2003 Technical and Testing Specification of Virtual LAN Based on Port(VLAN)
YD/T 1261-2003 The technical specification of CAMEL3: CAMEL Application Part (CAP) for 900/1800MHz TDMA digital cellular mobile telecommunication network
YD/T 1262-2003 The Technical specification of PARLAY API for Open Service Access
YD/T 1263-2003 Technical Requirements for Interworking of network Based on IP with traditional telecommunication network
YD/T 1264-2003 General technical requirement of IP telephony and Ip fax services: Phase two
YD/T 1265-2003 Testing methods of Network Access Server(NAS)-Broadband network access server
YD/T 1265-2013 Testing specification for broadband network access server
YD/T 1266-2003 Test methods of protection schemes for SDH rings
YD/T 1267-2003 Technical specification for synchronization network based on SDH transport network
YD/T 1269-2003 Gas turbine generator sets for telecommunications
YD/T 1269-2012 Gas turbine generator sets for telecommunications
YD/T 1270-2003 Contactless compensatory A·C voltage stabilizer
YD/T 1271-2003 Ring generator for telecommunication equipment
YD/T 1272.1-2003 Optical filber connector. Part 1: Type LC
YD/T 1272.2-2005 Optical filber connector. PartⅡ: Type MT-RJ Connector Family
YD 152-1978 (Data communications equipment nomenclature)
YD/T 1272.3-2015 Optical fiber connector. Part 3: Type SC
YD/T 1272.4-2007 Optical Fiber Connector. Part 4: Type FC
YD/T 1272.5-2009 Optical Fiber Optic Connector. Part5: type MPO
YD/T 1272.6-2015 Optical fiber connector. Part 6: Type MC
YD/T 1273-2003 Technical specification for terminal equipment of optical Wavelength Division Multiplexing (WDM). 16×10Gb/s and 32×10Gb/s parts
YD/T 1274-2003 Technical specification for optical Wavelength Divison Multiplexing (WDM) system. 160×10Gb/s, 80×10Gb/s part
YD/T 1275-2003 Technical specification and testing method for N×64kbit/s baseband modem
YD/T 1276-2003 Testing methods of SDH multi-service transport platform
YD/T 1277.1-2003 Technical specification and testing method of caller identity delivery based on PSTN. Part 1: Technical specification
YD/T 1278-2003 The technical demand and testing method for the charging performance of SPC. Telephone network part
YD/T 1279-2003 900/1800MHz TDMA Digital Celler Mobile Telecommunication network management interface technical specification. Interface definition based on CORBA
YD/T 1280-2003 900/1800MHz TDMA Digital Celler Mobile Telecommunication network management interface technical specification. Interface definition based on CMIP
YD/T 1281-2003 Local telecommunications cable for broadband applications, polyolefin insulated copper conductors, laminated aluminium polyethylene sheath
YD/T 1282-2003 900/1800MHz TDMA digital cellular communication network equipment requirements for Unstructured Supplement
YD/T 1283-2003 900/1800MHz TDMA digital cellular mobile communication network equipment test requirements for Unstructured Supplement Service Data (USSD)
YD/T 1284-2003 The technical requirement for quality of communia-cation for inter. public telecom network-call completion rate post dialing delay for telephone call
YD/T 1285-2003 The test method for quality of communication for inter-public telecom network. Call complete ratio and post-dialing delay for telephone call
YD/T 1286-2003 Technical specification of supplement services for IP telephony
YD/T 1287-2003 Test specification for ethernet LAN switch with routing capability
YD/T 1287-2013 Test specification for Ethernet switch with routing capability
YD/T 1288-2003 Technical specification for IP telephony Interworking based on H.323 and SIP
YD/T 1289.1-2003 Synchronous Digital Hierarchy (SDH) transport network management system technical specification. Part 1: Basic principle
YD/T 1289.2-2003 Synchronous Digital Hierarchy (SDH) transport network management system technical specification. Part 2: Element Management System (EMS) function
YD/T 1289.3-2003 Synchronous Digital Hierarchy (SDH) transport network management system technical specification. Part 3: Network Management System (NMS) function
YD/T 1289.4-2006 Synchronous Digital Hierarchy (SDH)transport network management system technical specification. Part 4: EMS-NMS Interface Function
YD/T 1289.5-2007 Technical specification for SDH transport network management. Part 5: EMS-NMS the generic information model
YD/T 1289.6-2009 Technical specification for SDH transport network management system. Part 6: EMS-NMS interface information model based on IDL/IIOP
YD/T 1290.1-2003 General technical requirements of peer to peer short message interworking between networks Part 1: Interworking between PSTN and PLMN
YD/T 1290.1-2010 General technical requirements for peer to peer short message interwoking between networks. Part 1: Interworking between PTSN and PLMN
YD/T 1290.2-2005 Technical requirements of peer to peer short message interworking between networks Part 2: Interworking between PSTN and PSTN ahort message service
YD/T 1290.2-2010 Technical requirements of peer to peer short message interworking between networks. Part 2: Interworking between PSTN and PSTN short message service
YD/T 1290.3-2008 Technical Requirements of Peer to Peer Short Message Interworking between Networks. Part 3: Interworking between PLMN and PLMN
YD/T 1290.3-2010 General technical requirements of peer to peer short message interworking between networks. Part 3: Interworking between PLMN and PLMN
YD/T 1291-2003 Protocol of peer short message Interworking between networks
YD/T 1292-2003 Technical specification for media gateway control protocol based on H. 248
YD/T 1292-2011 Technical requirements for media gateway control protocol based on H.248
YD/T 1293-2003 Ip Over WDM integrated network management system technical specification