| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GB 12048-1989 |
Requirements for clock and synchronization equipment used in the digital network |
$100.00 |
via email in 1~3 business day |
valid,,1990-7-1 |
|
| GB/T 13158-1991 |
Compatibility test procedures of clock and synchroni-zation equipment of digital switch introduced into di-gital network |
$120.00 |
via email in 1~3 business day |
valid,,1992-6-1 |
|
| GB/T 14731-1993 |
Synchronous digital hierarchy bit rates |
$184.00 |
via email in 1~3 business day |
abolished2009-04-01,2009-4-1,1994-8-1 |
|
| GB/T 15409-1994 |
Frame structure for synchronous digital hierarchy signal |
$264.00 |
via email in 1~3 business day |
abolished2009-05-01,2009-5-1,1995-8-1 |
|
| GB/T 15875-1995 |
General specification for leaky cable radio communication system |
$210.00 |
via email in 1~3 business day |
valid,,1996-8-1 |
|
| GB/T 15940-1995 |
Basic multiplexing structure for synchronous digital hierarchy signals |
$160.00 |
via email in 1~3 business day |
abolished2009-04-01,2009-4-1,1996-8-1 |
|
| GB/T 16858-1997 |
A far end camera control protocol for videoconferences using data link protocol |
$120.00 |
via email in 1~3 business day |
valid,,1998-3-1 |
|
| GB/T 4110-1983 |
Pulse code modulation communication system hierarchy |
$60.00 |
via email in 1~3 business day |
valid,,1984-10-1 |
|
| GB/T 42021-2022 |
Industrial Internet―General network architecture |
$225.00 |
via email in 1~3 business day |
valid,,2023-5-1 |
|
| YD 5020-1996 |
Standards of Engineering Design for Digital Synchronization Network |
$310.00 |
via email in 1~5 business day |
abolished2000-10-01,2000-10-1,1996-7-1 |
|
| YD 5021-1996 |
Provisional Standards of SDH Engineering Design for Long-Distance Optical Fibre Cable Transmission Project |
$640.00 |
via email in 1~5 business day |
superseded,2001-10-1,1996-5-9 |
|
| YD 5023-1996 |
The Engineering Design Standard for the User Access Network |
$540.00 |
via email in 1~5 business day |
abolished2001-10-01,2001-10-1,1996-9-1 |
|
| YD 5064-1998 |
Interim Provisions ofr Design of Public FR Broedband Network Engineering |
$600.00 |
via email in 1~5 business day |
valid,,1998-10-1 |
|
| YD 5075-1998 |
Digital Cross-connect Equipment Engineering Designing Standard for Local Telephone Network |
$330.00 |
via email in 1~5 business day |
abolished2006-06-01,2006-6-1,1999-2-1 |
|
| YD/T 1011-1999 |
Technology requirement and test method of stand alone synchronization equipment in digital synchronization network |
$420.00 |
via email in 1~3 business day |
valid,,1999-7-1 |
|
| YD/T 1012-1999 |
Node clock set of digital synchronization network and its timing feature |
$210.00 |
via email in 1~3 business day |
valid,,1999-7-1 |
|
| YD/T 1190-2002 |
Network-based IP VPN |
$330.00 |
via email in 1~3 business day |
abolished2025-04-01,2025-4-1,2002-4-22 |
|
| YD/T 1205-2002 |
Technical requirements for metropolitan optical transport network WDM ring |
$610.00 |
via email in 1~5 business day |
abolished2011-01-01,2011-1-1,2002-6-21 |
|
| YD/T 1472-2006 |
Technical Requirements for Adaptation Layer of ISDN Signalling Interworking with IP |
$540.00 |
via email in 1~3 business day |
valid,,2006-10-1 |
|
| YD/T 1473-2006 |
Technical Requirements of V5.2 User Adaptation Layer |
$210.00 |
via email in 1~3 business day |
valid,,2006-10-1 |
|
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