GB/T 12171-1990 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 12171-1990	RFQ	ASK	6 days	Specification for TDM/FDM 60-channel transmultiplexing equipments used in the telecommunication network	Obsolete

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Basic data

Standard ID: GB/T 12171-1990 (GB/T12171-1990)
Description (Translated English): Specification for TDM/FDM 60-channel transmultiplexing equipments used in the telecommunication network
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: M14
Classification of International Standard: 33.040.40
Word Count Estimation: 31,338
Date of Issue: 1/12/1990
Date of Implementation: 8/1/1990
Adopted Standard: CCITT G791, NEQ; CCITT G792, NEQ; CCITT G793, NEQ
Issuing agency(ies): State Bureau of Technical Supervision
Summary: This standard specifies 60 channels must be uniform and reaches reuse conversion equipment into the telecommunications network of the main electrical performance, interface, clock synchronization, signal requirements and requirements. This standard applies to 60-way mixed analog-digital network in various ways in the long-distance network and local network consisting of multiplex conversion equipment.

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