BS 6450-1:1993
Private branch exchanges for connection to public switched telephone networks run by certain public telecommunications operators, Specification for general requirements
Applies to dealer boards and automatic call distributors, but not for connection to shared service lines, 1+1 carrier systems or connection in parallel with other apparatus whose ringer equivalence number exceeds 0.3. This standard has been presented for designation under the Telecommunications Act 1984.
| Get this standard | Prices exclude GST | |
|---|---|---|
| PDF ( Single user document) |
$463.54 NZD
|
|
| HardCopy |
$463.54 NZD
|
|
Related Information
Similar Standards
-
BS 1050:1984
Specification for indicator lamps for use in telecommunication apparatus and for allied purposes
-
BS 4727-3:Group 16:1992
Glossary of electrotechnical, power, telecommunication, electronics, lighting and colour terms. Terms particular to telecommunications and electronics, Switching and signalling in telecommunications
-
BS 7940:1999
Analogue PSTN terminal support interface
-
BS EN 28877:1994
Information technology. Telecommunications and information exchange between systems. Interface connector and contact assignments for ISDN Basic Access Interface located at reference points S and T