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Database: 189759 (19 Oct 2025)
GB/T 13994-1992 English PDF
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Standard Title (Description)
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GB/T 13994-1992
English
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Technical requirements for a 60-channel PCM/ADPCM transcoder equipment
Obsolete
GB/T 13994-1992
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Basic data
Standard ID
GB/T 13994-1992 (GB/T13994-1992)
Description (Translated English)
Technical requirements for a 60-channel PCM/ADPCM transcoder equipment
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
M38
Classification of International Standard
33.040.40
Word Count Estimation
53,532
Date of Issue
12/19/1992
Date of Implementation
8/1/1993
Quoted Standard
GB 7610; GB 7611; GB 6879,
Adopted Standard
CCITT G.761, NEQ; CCITT G.721, NEQ
Issuing agency(ies)
State Bureau of Technical Supervision
Summary
This standard specifies 60 channels PCM/ADPCM transcoding interface characteristics of equipment, signaling, timing synchronization, monitoring, maintenance, use, and other devices to achieve 60-way transcoding unique technical requirements. This standard applies to public networks using 60 channels PCM/ADPCM transcoding device. 60 channel PCM private network used/ADPCM transcoding device should also use the reference standard.