TB/T 1693-1995 English PDF

US$349.00 · In stock
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TB/T 1693-1995: Railway Telephone Switching Network - Signal Interface of Automatic Telephone Exchanger

TB/T 1693: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
TB/T 1693-1995	349	Add to Cart	3 days	Railway Telephone Switching Network - Signal Interface of Automatic Telephone Exchanger
TB 1693-1985	RFQ	ASK	3 days	(Chinese Industry Standard)	Obsolete

Similar standards

TB/T 2834   TB/T 3324   TB/T 3478   TB/T 3477.2   

Basic data

Standard ID: TB/T 1693-1995 (TB/T1693-1995)
Description (Translated English): Railway Telephone Switching Network - Signal Interface of Automatic Telephone Exchanger
Sector / Industry: Railway & Train Industry Standard (Recommended)
Classification of Chinese Standard: S71
Word Count Estimation: 10,163
Date of Issue: 6/5/1995
Date of Implementation: 12/1/1995
Older Standard (superseded by this standard): TB 1693-1985
Adopted Standard: CCITT, NEQ
Summary: This standard specifies the analog interface conditions railway automatic telephone exchanges switched telephone network transmitted signal. To switch long-distance connection with the station, signal interface also makes provision for recording information desk connection. This standard applies to the following interface points: a) switch and transmission equipment (audio pairs, the carrier terminal equipment, pulse code modulation multiplex equipment, etc.) between; among b) switch and signal conversion equipment; c) signal conversion and transmission equipment between devices; b) long-distance connection sets record with the switch between the information desk or signal conversion equipment.

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