| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GB/T 15838-1995 |
Measuring methods for the performances of switching equipment clocks in digital synchronous network |
$190.00 |
via email in 1~3 business day |
abolished2009-04-01,2009-4-1,1996-6-1 |
|
| GB/T 15941-1995 |
Requirements for synchronous digital hierarch (SDH) optical fiber cable line systems of national public telecommunication network |
$600.00 |
via email in 1~8 business day |
superseded,2008-11-1,1996-8-1 |
|
| GB/T 15941-2008 |
Requirements for Synchronous Digital hierarchy (SDH) Optical Fiber Cable Line Systems |
$780.00 |
via email in 1~8 business day |
valid,,2008-11-1 |
|
| GB/T 16521-1996 |
General arrangements for interworking between packet switched public data networks (PSPDN) and circuit switched public data networks (CSPDN) for the provision of data transmission services |
$120.00 |
via email in 1~3 business day |
abolished2005-10-14,,1997-5-1 |
|
| GB/T 16522-1996 |
General arrangements for interworking between packet switched public data networks (PSPDN) |
$220.00 |
via email in 1~3 business day |
abolished2005-10-14 ,,1997-5-1 |
|
| GB/T 16712-1996 |
Specifications for Synchronous Digital Hierarchy (SDH) multiplex equipment |
$430.00 |
via email in 1~5 business day |
abolished2009-04-01,2009-4-1,1997-7-1 |
|
| GB/T 16816-1997 |
A 48/56/64kbit/s data circuit termination equipment STANDARDized for use on digital point-to-point leased circuits |
$180.00 |
via email in 1~3 business day |
valid,,1998-2-1 |
|
| GB/T 18498-2001 |
Interworking between packet switched public data networks and public maritime mobile satellite data transmission systems |
$190.00 |
via email in 1~3 business day |
valid,,2002-6-1 |
|
| GB/T 19897.2-2005 |
Automatic meter reading system lower layer communication protocol—Part 2:Use of area networks on twisted pair with carrier signalling |
$740.00 |
via email in 1~3 business day |
superseded,2019-7-1,2006-4-1 |
|
| GB/T 21642.3-2012 |
Technical requirements for IP video conference system devices—Part 3:multipoint control unit |
$600.00 |
via email in 1~3 business day |
valid,,2012-10-1 |
|
| GB/T 21642.4-2012 |
Technical requirements for IP video conference system devices—Part 4:Gatekeeper |
$720.00 |
via email in 1~3 business day |
valid,,2012-10-1 |
|
| GB/T 21643-2008 |
IP Authentication Header |
$120.00 |
via email in 1~3 business day |
valid,,2008-11-1 |
|
| GB/T 21644-2008 |
General Description of Networks Distance Learning |
$360.00 |
via email in 1~3 business day |
valid,,2008-11-1 |
|
| GB/T 21645.1-2008 |
Technical requirements for Automatically Switched Optical Network - Part 1: Architecture and general requirements |
$1500.00 |
via email in 1~10 business day |
valid,,2008-11-1 |
|
| GB/T 21645.2-2010 |
Technical requirements for automatically switched optical networks—Part 2:Terms and definitions |
$510.00 |
via email in 1~3 business day |
valid,,2011-4-1 |
|
| GB/T 21645.4-2010 |
Technical requirements for automatically switched optical network—Part 4:Technical specification of signalling |
$1560.00 |
via email in 1~3 business day |
valid,,2011-5-1 |
|
| GB/T 21645.7-2010 |
Technical requirements for automatically switched optical network—Part 7:Automatic discovery |
$750.00 |
via email in 1~3 business day |
valid,,2011-4-1 |
|
| GB/T 25315-2010 |
Home control systems—Guidelines relating to safety |
$120.00 |
immediately |
superseded,2018-7-1,2011-5-1 |
|
| GB/T 25315-2017 |
Home control systems―Guidelines relating to safety |
$140.00 |
via email in 1~3 business day |
valid,,2018-7-1 |
|
| GB/T 26241.1-2010 |
Information technology—Enhenced communication transport protocol—Part 1:Specification of simplex multicast transport |
$450.00 |
via email in 1~3 business day |
valid,,2011-5-1 |
|
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