BS 6450-7:1990
$86.31
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
Published By | Publication Date | Number of Pages |
BSI | 1990 | 14 |
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Specifies the assessment of PBXs against the integrity of service requirements in BS 6450-1:1983 and the observation of PBXs against appropriate Parts of BS 6450 under operational conditions.
Status | Withdrawn |
---|---|
Pages | 14 |
Publication Date | 1990-10-28 |
Withdrawn Date | 2009-05-01 |
ISBN | 0 580 18751 9 |
Standard Number | BS 6450-7:1990 |
Title | 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 |
Replaces | BS 6450-7:1984 |
Descriptors | Testing conditions, Failure (quality control), Telephone switching equipment, Telephone exchanges, Acceptance (approval), Communication equipment, Type approval, Performance testing, Telephone equipment, Visual inspection (testing), Telecommunication systems, Reports, Approval testing, Telephony |
Publisher | BSI |
Committee | W/- |
ICS Codes | 33.040.30 - Switching and signalling systems |
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