2025-12-9 216.73.216.21
Code of China Chinese Standard Classification Professional Classification ICS Classification Latest
Position: Search valid to be valid superseded to be superseded abolished to be abolished
Standard No. Title Price(USD) Delivery Status Add to Cart
YD/T 847-1996 Frame Structures of 64 -1920kbit/S Channels in Audiovisual Telecommunication Services 390.0 via email in 1~3 business day valid,,1996-11-1
GB/T 13855-1992 Specification for path transmission automatic measuring equipment 220.0 via email in 1~3 business day abolished2005-10-14,,1993-5-1
YD/T 1992-2009 Test specifications for SDH-based multi-service transport platform (MSTP) － Interoperability 330.0 via email in 1 business day valid,,2010-1-1
YD/T 2022-2009 Technical requirements for time synchronization equipment 210.0 via email in 1~3 business day valid,,2010-1-1
YD/T 1267-2003 Technical specification for synchronization netwrok based on SDH transport network 820.0 via email in 1~3 business day valid,,2003-6-5
GB/T 17904.2-1999 ISDN user-network interface data link layer specification and conformance testing method Part 2: Data link layer protocol conformance testing method 2010.0 via email in 1~3 business day valid,,2000-6-1
GB/T 7617-1987 Power levels for data transmission over telephone lines 180.0 via email in 1~3 business day abolished2005-10-14 ,,1987-11-1
GB/T 17114-1997 Requirement for 160kbit/s subscriber line digital multigain equipment joined to national public telecommunication network 250.0 via email in 1~3 business day abolished2005-10-14,,1998-8-1
GB/T 15940-2008 Basic multiplexing structure for synchronous digital hierarchy signals 240.0 via email in 1~3 business day valid,,2009-4-1
GB/T 13169-1991 General specification for 4MHz (960ch) carrier systems on standardized 1.2/4.4mm coaxial cable pairs 120.0 via email in 1~3 business day abolished2017-12-15,,1992-5-1
GB/T 24367.1-2009 Technical requirements for automatically switched optical network (ASON) node— Part 1:Technical requirements for SDH-based ASON node 600.0 via email in 1~3 business day valid,,2009-12-1
GB/T 7627-1987 Characteristics of distortion and error-rate measuring app-aratus for data transmission 180.0 via email in business day abolished2005-10-14 ,,1987-11-1
GB/T 16712-2008 Characteristics of synchronous digital hierarchy (SDH) equipment functional blocks 3100.0 via email in 1~5 business day valid,,2009-4-1
GB/T 20185-2006 Optical interface requirements for equipments and systems relating to the synchronous digital hierarchy 240.0 via email in 1~3 business day valid,,2006-10-1
GB/T 16813-1997 Technical specifications and test methods of the interface of radio paging system and PSTN 390.0 via email in 1~3 business day valid,,1998-2-1
GB/T 15409-2008 Frame structure for synchronous digital hierarchy signal 420.0 via email in 1~5 business day valid,,2009-5-1
GB/T 14731-2008 Synchronous digital hierarchy (SDH) bit rates 80.0 via email in 1~3 business day valid,,2009-4-1
YD/T 1273-2003 Techincal specification for terminal equipment of optical Wavelength Division Multiplexing(WDM)——16×10Gb/s、32×10Gb/s parts 480.0 via email in 1~3 business day valid,,2003-6-5
GB/T 2789-1981 Technical requirements for network interface for the analogue microwave relay communication systems 120.0 via email in 1~3 business day abolished2017-12-15,,1982-7-1
GB/T 14733.11-1993 Terminology for telecommunications－Telecommnication 690.0 via email in 1~5 business day abolished2009-03-01,2009-3-1,1994-8-1
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YD/T 847-1996 Frame Structures of 64 -1920kbit/S Channels in Audiovisual Telecommunication Services 
  Issued on: 1996-5-22   Price(USD): 390.0
GB/T 13855-1992 Specification for path transmission automatic measuring equipment 
  Issued on: 1992-10-06   Price(USD): 220.0
YD/T 1992-2009 Test specifications for SDH-based multi-service transport platform (MSTP) － Interoperability 
  Issued on: 2009-12-11   Price(USD): 330.0
YD/T 2022-2009 Technical requirements for time synchronization equipment 
  Issued on: 2009-12-11   Price(USD): 210.0
YD/T 1267-2003 Technical specification for synchronization netwrok based on SDH transport network 
  Issued on: 2003-06-05   Price(USD): 820.0
GB/T 17904.2-1999 ISDN user-network interface data link layer specification and conformance testing method Part 2: Data link layer protocol conformance testing method 
  Issued on: 1999-11-11   Price(USD): 2010.0
GB/T 7617-1987 Power levels for data transmission over telephone lines 
  Issued on: 1987-04-03   Price(USD): 180.0
GB/T 17114-1997 Requirement for 160kbit/s subscriber line digital multigain equipment joined to national public telecommunication network 
  Issued on: 1997-01-01   Price(USD): 250.0
GB/T 15940-2008 Basic multiplexing structure for synchronous digital hierarchy signals 
  Issued on: 2008-10-07   Price(USD): 240.0
GB/T 13169-1991 General specification for 4MHz (960ch) carrier systems on standardized 1.2/4.4mm coaxial cable pairs 
  Issued on: 1991-9-4   Price(USD): 120.0
GB/T 24367.1-2009 Technical requirements for automatically switched optical network (ASON) node— Part 1:Technical requirements for SDH-based ASON node 
  Issued on: 2009-9-30   Price(USD): 600.0
GB/T 7627-1987 Characteristics of distortion and error-rate measuring app-aratus for data transmission 
  Issued on: 1987-04-03   Price(USD): 180.0
GB/T 16712-2008 Characteristics of synchronous digital hierarchy (SDH) equipment functional blocks 
  Issued on: 2008-10-07   Price(USD): 3100.0
GB/T 20185-2006 Optical interface requirements for equipments and systems relating to the synchronous digital hierarchy 
  Issued on: 2006-04-05   Price(USD): 240.0
GB/T 16813-1997 Technical specifications and test methods of the interface of radio paging system and PSTN 
  Issued on: 1997-5-28   Price(USD): 390.0
GB/T 15409-2008 Frame structure for synchronous digital hierarchy signal 
  Issued on: 2008-10-29   Price(USD): 420.0
GB/T 14731-2008 Synchronous digital hierarchy (SDH) bit rates 
  Issued on: 2008-10-07   Price(USD): 80.0
YD/T 1273-2003 Techincal specification for terminal equipment of optical Wavelength Division Multiplexing(WDM)——16×10Gb/s、32×10Gb/s parts 
  Issued on: 2003-06-05   Price(USD): 480.0
GB/T 2789-1981 Technical requirements for network interface for the analogue microwave relay communication systems 
  Issued on: 1982-7-1   Price(USD): 120.0
GB/T 14733.11-1993 Terminology for telecommunications－Telecommnication 
  Issued on: 1993-01-02   Price(USD): 690.0
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