BS 6450-7:1990

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

BSI Group , 10/28/1990

Publisher: BS

File Format: PDF

$80.00$160.00

Description

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. Cross References:BS 4778BS 6450:Part 1:Section 6.1Telecommunications Act 1984

Published: 10/28/1990

Pages: 14

File Size: 1 file , 610 KB

ISBN: 0580187519

Language: English

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