Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
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Standard No. Title Price(USD) Delivery Status Add to Cart
YD/T 1244-2002 Requirement and measurement methods of electromagnetic compatibility for xDSL equipment $190.00 via email in 1~3 business day valid
YD/T 1245-2002 Electronic commercial application level protocol under mobile environment (non shopping type) $520.00 via email in 1~3 business day valid
YD/T 1246-2002 Test method of ATM switch equipment $3300.00 via email in 1~5 business day valid
YD/T 1247-2002 Technical condition of optical transmitter module for optical fiber analog transmission $120.00 via email in 1~3 business day superseded
YD/T 1247-2013 Optical transmitter module for optical fiber analog transmission $304.00 valid
YD/T 1248.1-2003 Short Message Service Based on PSTN Part 1:Technical Requirements and Testing Methods of Short Message Terminal Equipment $270.00 via email in 1~3 business day valid
YD/T 1248.2-2003 Short Message Service Based on PSTN Part 2:Technical Requirements of Transmission Protocol between Short Message Terminal Equipment and Center $580.00 via email in 1~3 business day valid
YD/T 1248.3-2004 Short message service based on PSTN Technique requirements of short message centre $450.00 via email in 1~3 business day valid
YD/T 1248.4-2005 Part Ⅳ:Test methods of short message centre based on PSTN $3090.00 via email in 1~5 business day valid
YD/T 1249-2003 The Technical Requirements of Integrated Intelligent Network System $240.00 via email in 1~3 business day valid
YD/T 1250-2003 Test method for access network - passive optical netwrok based on ATM (A-PON) $600.00 via email in 1~3 business day valid
YD/T 1251.1-2003 The conformance testing specification for intermediate system to intermediate system routing exchange protocol (IS-IS) $2100.00 via email in 1~3 business day superseded
YD/T 1251.1-2013 Test method for routing protocol comformity - IS-IS routing exchange protocol $1380.00 via email in 1~3 business day valid
YD/T 1251.2-2003 The conformance testing specification for Open Shortest Path First (OSPF) $540.00 via email in 1~3 business day superseded
YD/T 1251.2-2013 Test method for routing protocol comformity - Open Shortest Path First Interior Gateway Protocol (OSPF) $1335.00 via email in 1~5 business day valid
YD/T 1251.3-2003 The comformance testing specification for border gateway protocol (BGP4) $2100.00 via email in 1~5 business day superseded
YD/T 1251.3-2013 Test method for routing protocol comformity - Border Gateway Protocol (BGP 4) $1710.00 via email in 1~5 business day valid
YD/T 1252-2003 The technical requirements of intelligent network quipment - Integrated Service Control Point (ISCP) $280.00 via email in 1~3 business day valid
YD/T 1253-2003 Test method of intelligent network equipment-Intelligent Peripheral (IP) $3240.00 via email in 1~5 business day valid
YD/T 1254-2003 Access network technical specification-TDD based Ethernet Digital Subscriber Line system (TDD-EDSL):variable length frame transmission mode $630.00 via email in 1~3 business day valid
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