| Standard No. |
Title |
Price(USD) |
Delivery |
Status |
Add to Cart |
| GB/T 21645.10-2017 |
Technical requirements for automatically switched optical network(ASON)―Part 10:Multi-layer and multi-region control plane |
$750.00 |
via email in 1~5 business day |
valid,,2017-12-1 |
|
| GB/T 21645.11-2017 |
Technical requirements for Automatically Switched Optical Network(ASON)―Part 11:Path Computation Element (PCE) and protocol |
$930.00 |
via email in 1~10 business day |
valid,,2017-12-1 |
|
| GB/T 21645.3-2009 |
Technical requirements for automatically switched optical network—Part 3:Data communication network |
$450.00 |
immediately |
valid,,2009-12-1 |
|
| GB/T 21645.6-2009 |
Technical requirements for automatically switched optical network—Part 6:Management plane |
$360.00 |
via email in 1~5 business day |
valid,,2009-12-1 |
|
| GB/T 24367.1-2009 |
Technical requirements for automatically switched optical network (ASON) node— Part 1:Technical requirements for SDH-based ASON node |
$600.00 |
via email in 1~3 business day |
valid,,2009-12-1 |
|
| GB/T 2789-1981 |
Technical requirements for network interface for the analogue microwave relay communication systems |
$120.00 |
via email in 1~3 business day |
abolished2017-12-15,,1982-7-1 |
|
| GB/T 28515.2-2021 |
Test method for automatically switched optical network(ASON)—Part 2:OTN-based ASON |
$990.00 |
via email in 1~10 business day |
valid,,2021-8-1 |
|
| GB/T 32657.2-2016 |
Technical requirements for automatically switchd optical network(ASON) node-Part 2:Technical requirements for OTN-based ASON node |
$600.00 |
via email in 1~5 business day |
valid,,2016-11-1 |
|
| GB/T 33711-2017 |
Mobile laboratory. General technical specification for information transmission system |
$220.00 |
via email in 1~3 business day |
valid,,2017-12-1 |
|
| GB/T 3383-1982 |
Telecommunication transmission unit; Decibel |
$70.00 |
via email in 1~3 business day |
valid,,1983-10-1 |
|
| 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 44225-2024 |
Technical specification for security protection of electric power optical transmission systems |
$195.00 |
via email in 1~3 business day |
valid,,2025-2-1 |
|
| GB/T 5438-1985 |
Characteristics and measuring methods for monophonic and stereophonic transmissions |
$180.00 |
via email in 1~3 business day |
valid,,1986-6-1 |
|
| GB/T 7438-1987 |
Numbering for telex and low speed data in national communication network |
$180.00 |
via email in 1~3 business day |
abolished2005-10-14 ,,1987-1-1 |
|
| GB/T 7554-1987 |
5-unit numerical code for telegram service |
$184.00 |
via email in 1~3 business day |
valid,,1987-1-1 |
|
| GB/T 7611-2016 |
Characteristics of the electrical interface at hierarchicalbit rate for digital network |
$1330.00 |
via email in 1~10 business day |
valid,,2016-12-1 |
|
| GB/T 7617-1987 |
Power levels for data transmission over telephone lines |
$180.00 |
via email in 1~3 business day |
abolished2005-10-14 ,,1987-11-1 |
|
| GB/T 7627-1987 |
Characteristics of distortion and error-rate measuring app-aratus for data transmission |
$180.00 |
via email in business day |
abolished2005-10-14 ,,1987-11-1 |
|
| GB/T 9405-1995 |
Performance and test methods of the third order digital multiplex equipment operating at 34368 kbit/s and using positive justification |
$210.00 |
via email in 1~3 business day |
valid,,1995-12-1 |
|
| GB/T 9541-1988 |
2400 bits per second duplex modem using the echo cancellation technique standardized for use on the general switched telephone network and on point-to-point 2 wire leased telephone-type |
$450.00 |
via email in 1~3 business day |
valid,,1989-2-1 |
|
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