-
GB/T 14132-1993 in English
requirements for digital line systems on symmetric pair cables used in telecommunication network
ABOLISHED
Issued on:1993-02-04 | Implemented on:1993-08-01
$120.00 $117.00 -
GB/T 14131-1993 in English
requirements for digital line systems on coaxial pair cables used in telecommunication network
ABOLISHED
Issued on:1993-02-04 | Implemented on:1993-08-01
$100.00 $97.00 -
GB/T 14130-1993 in English
requirements for digital sections of metallic cables used in telecommunication network
ABOLISHED
Issued on:1993-02-04 | Implemented on:1993-08-01
$150.00 $146.00 -
YD 610-1993 in English
Technical requirement and test method for interface equipments for PCM group signaling
ABOLISHED
Issued on:1993-01-18 | Implemented on:1993-07-01
$810.00 $786.00 -
GB/T 13995-1992 in English
requirements for TDM/FDM 60 - Channel transmultiplexing equipment
ABOLISHED
Issued on:1992-01-02 | Implemented on:1993-08-01
$370.00 $359.00 -
GB/T 13994-1992 in English
requirements for a 60 - Channel PCM/ADPCM transcoder equipment
ABOLISHED
Issued on:1992-01-02 | Implemented on:1993-08-01
$600.00 $582.00 -
YD 336-1988 in English
Digital Line Signalling for Manual Toll Exchange to local Exchange
VALID
Issued on:1988-01-13 | Implemented on:1988-01-13
$120.00 $117.00 -
YD 335-1988 in English
Digital Line Signalling for Intertoll Exchange
ABOLISHED
Issued on:1988-01-13 | Implemented on:1988-01-13
$210.00 $204.00 -
HB 6096-1986 in English
SZ-01 Digital Information Transmission System
VALID
Issued on:1986-10-25 | Implemented on:1987-01-01
$1,660.00 $1,611.00 -
GB 6878-1986 in English
Technical requirements and testing methods for local crossbar telephone switching systems
VALID
Issued on:1986-09-12 | Implemented on:1987-10-01
$180.00 $175.00
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