| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| YD/T 930-1997 |
Principles for the maintenance of ISDNs |
 (USD) |
via email in
1 business day
|
VALID
|
|
| GB/T 13158-1991 |
Compatibility test procedures of clock and synchroni-zation equipment of digital switch introduced into di-gital network |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 15875-1995 |
General specification for leaky cable radio communication system |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YDN 045-1997 |
Basic Specifications for Management Network Information Model of Synchronous Digital Hierarchy (SDH) |
 (USD) |
via email in
1 business day
|
VALID
|
|
| YD/T 905-1997 |
Multipoint control untts for audiovisual systems using digital channels up to 1920kbit/s |
 (USD) |
via email in
1 business day
|
VALID
|
|
| YD/T 1190-2002 |
Network-based IP VPN |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 4110-1983 |
Pulse code modulation communication system hierarchy |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YD/T 1012-1999 |
Node clock set of digital synchronization network and its timing feature |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 14731-1993 |
Synchronous digital hierarchy bit rates |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| YD 5024-1996 |
SDH Optical Fiber Cable Trunk Transmission Project Designing Standard for Local Telephone Network |
 (USD) |
via email in
1-5 business day
|
ABOLISHED
|
|
| YD 5053-1998 |
Design Code for Telephone Network Management Engineering |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YD/T 871-1996 |
|
 (USD) |
via email in
1-8 business day
|
VALID
|
|
| GB/T 15940-1995 |
Basic multiplexing structure for synchronous digital hierarchy signals |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| YDN 029-1997 |
|
 (USD) |
via email in
1-3 business day
|
|
|
| GB/T 15409-1994 |
Frame structure for synchronous digital hierarchy signal |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| YD/T 609-1993 |
|
 (USD) |
via email in
1-3 business day
|
|
|
| YD 5023-1996 |
The Engineering Design Standard for the User Access Network |
 (USD) |
via email in
1-5 business day
|
ABOLISHED
|
|
| YD 5080-1999 |
Design Standards on Network Management System of SDH Optical Fiber Cable Telecommunications Project |
 (USD) |
via email in
1-3 business day
|
ABOLISHED
|
|
| YD 5064-1998 |
Interim Provisions ofr Design of Public FR Broedband Network Engineering |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
|
|
