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British Standards: BS6450-4:1993

Standard No BS6450-4:1993
Title of Standard Private branch exchanges for connection to public switched telephone networks run by certain public telecommunications operators. Specification for ports
ISBN 058022108 3
Date of Publication 15/12/93
Approx Pages 162
Description Telephone networks, Communication networks, Telephone exchanges, Telephony, Telephone equipment, Communication cables, Telephone switching equipment, Circuits, Signal level, Signal strength, Electrical impedance, Electrical safety, Safety measures, Classi
Cross references BS 2045, BS 4669, BS 6301, BS 6305, BS 6312, BS 6317, BS 6328:Part 1, BS 6328:Section 8.1, BS 6328:Section 8.2, BS 6450:Part 1, BS 6450:Part 2, BS 6450:Section 3.1, BS 6450:Section 5.1, BS 6450:Section 6.1, BS 6701:Part 1, BS 6833:Part 2, BS 6833:Part 3,
International Equiv (If Applicable )
Replaces Standards :
Replacement Notes
Now Replaced By BS7378-3:1998
Replaced by Notes Partially replaced by BS7378-3:1998.
Committee Ref TCT/8

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