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GB - Chinese national standards
Page 5388
GB/T 7609-1995 (14/12/1995)
General test method for transmission performance of PCM voice channel in telecommunication network
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 607.00 EUR more info
GB/T 7611-2016 (25/04/2016)
Characteristic of the electrical interface at hierarchical bit rate for digital network
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 2 170.60 EUR more info
GB/T 7618-1987 (03/04/1987)
Electrical characteristics for unbalanced double-current interchange circuits for general use with inte-grated circuit equipment in the field of data communications
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 683.00 EUR more info
GB/T 7619-1987 (03/04/1987)
Electrical characteristics for balanced double-current interchange circuits for general use with integrated circuit equipment in the field of datacommunications
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 531.00 EUR more info
GB/T 762-2002 (26/03/2002)
Standard current ratings
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 824.10 EUR more info
GB/T 7620-1987 (03/04/1987)
300 bits per second duplex modem standardized for use in the general switched telephone network
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 194.40 EUR more info
GB/T 7621-1987 (03/04/1987)
1200 bits per second duplex modem standardized for use in the general switched telephone network and on point-to-point 2-wire leased telephonecircuits
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 607.00 EUR more info
GB/T 7622-1987 (03/04/1987)
600/1200 bauds modem standardized for use in the general switched telephone network
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 270.40 EUR more info
GB/T 7623-1987 (03/04/1987)
Automatic answering equipment and/or parallel automatic calling equipment on the general switched telephone network including procedures for bling of echo control devices for both manually and automatically established calls
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 379.00 EUR more info
GB/T 7624-1987 (03/04/1987)
2400 bits persecond modem standardized for use on 4-wire leased telephone type circuits
Available languages: English, Chinese
Available design: electronic design (pdf), Print design
from 194.40 EUR more info
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