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British Standards: BS6450-7:1990

Standard No BS6450-7:1990
Title of Standard Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators. Specification for the procedure for in-service observation of PBXs undergoing type approval
ISBN 058018751 9
Date of Publication 28/10/90
Approx Pages 16
Description Telephone switching equipment, Telephone equipment, Telephony, Communication equipment, Telephone exchanges, Type approval, Approval testing, Acceptance (approval), Failure (quality control), Performance testing, Testing conditions, Visual inspection (tes
Cross references BS 4778, BS 6450:Part 1:Section 6.1, Telecommunications Act 1984
International Equiv (If Applicable )
Replaces Standards : BS6450:Part 7:1984
Replacement Notes
Now Replaced By
Replaced by Notes
Committee Ref TCT/8

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