| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add To Cart |
| GB/T 7611-2016 |
Characteristics of the electrical interface at hierarchicalbit rate for digital network |
 (USD) |
via email in
1-10 business day
|
VALID
|
|
| GB/T 21645.10-2017 |
Technical requirements for automatically switched optical network(ASON)—Part 10:Multi-layer and multi-region control plane |
 (USD) |
via email in
1-8 business day
|
VALID
|
|
| YD/T 1274-2003 |
Technical specification for optical Wavelength Divison Multiplexing (WDM) system 160×10Gb/s and 80×10Gb/s part |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| GB/T 13855-1992 |
Specification for path transmission automatic measuring equipment |
 (USD) |
via email in
1 business day
|
ABOLISHED
|
|
| GB/T 18119-2000 |
Video coding for low bit rate communication |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| MT/T 1004-2006 |
General technical conditions of coal mine productive safety supervision system |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 16712-2008 |
Characteristics of synchronous digital hierarchy (SDH) equipment functional blocks |
 (USD) |
via email in
1-10 business day
|
VALID
|
|
| YD/T 847-1996 |
|
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| YD/T 985-1998 |
|
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| GB/T 21645.3-2009 |
Technical requirements for automatically switched optical network—Part 3:Data communication network |
 (USD) |
via email in
1-5 business day
|
VALID
|
|
| GB/T 9405-1995 |
Performance and test methods of the third order digital multiplex equipment operating at 34368 kbit/s and using positive justification |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 16813-1997 |
Technical specifications and test methods of the interface of radio paging system and PSTN |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 21645.11-2017 |
Technical requirements for Automatically Switched Optical Network(ASON)—Part 11:Path Computation Element (PCE) and protocol |
 (USD) |
via email in
1-8 business day
|
VALID
|
|
| YD/T 2022-2009 |
Technical requirements for time synchronization equipment |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 17789-1999 |
Procedures for simultaneous transmission of data and digitally encoded voice signals over the PSTN or over 2-wire leased point-to-point telephone type circuits |
|
via email in
1-3 business day
|
VALID
|
please email coc@codeofchina.com for quotation
|
| YD/T 1990-2009 |
General technical requirements for Optical Transport Network |
|
via email in
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| YD/T 1959-2009 |
Technical Requirements for 2048kbit/s Optical Interface Between Relaying Protection Equipment and Multiplexer |
|
via email in
|
VALID
|
please email coc@codeofchina.com for quotation
|
| GB/T 15940-2008 |
Basic multiplexing structure for synchronous digital hierarchy signals |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
| GB/T 17114-1997 |
Requirement for 160kbit/s subscriber line digital multigain equipment joined to national public telecommunication network |
|
via email in
1-3 business day
|
ABOLISHED
|
please email coc@codeofchina.com for quotation
|
| JT/T 625-2005 |
Requirements of GPS/GSM&GPRS/GIS/NET technical system for inland shipping business enterprise |
 (USD) |
via email in
1-3 business day
|
VALID
|
|
|
|
