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This Recommendation deals with the transmission performance characteristics of PCM channels of digital transmission equipment. Requirements to be met between 4-wire and 2-wire analogue ports are given as well as requirements for analogue-to-digital and digital-to-analogue connections. The parameters and values specified in this Recommendation apply to the use of PCM equipment connected to analogue trunks or to analogue and digital exchanges.
Author | ITU |
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Editor | ITU |
Document type | Standard |
Format | File |
ICS | 33.040.20 : Transmission systems
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Number of pages | 36 |
Replace | ITU-T G.712 (1996-11) |
Year | 2001 |
Document history | ITU-T G.712 (2001-11) |
Country | International |
Keyword | CCITT G.712;ITU-T 712;712;ITU-T G.712 |