• Your shopping cart is empty!

  • BS 6450-1:1983

BS 6450-1:1983

Private branch exchanges for connection to public switched telephone networks run by certain public telecommunication operators-Specification for general requirements

BSI Group, 09/01/1988

Publisher: BS

File Format: PDF

$125.00$251.46


Published:01/09/1988

Pages:27

File Size:1 file

Note:This product is unavailable in Ukraine, Russia, Belarus

Specifies the requirements necessary for correct interworking with the analogue interfaces of the PSTN. Does not apply to PBXs for connection to shared service lines or 1 + 1 carrier systems, or to PBXs for connection in parallel with any other apparatus whose ringer equivalence number exceeds 0.3.

All current amendments available at time of purchase are included with the purchase of this document.

More BS standard pdf

BS 3202-3:1991

BS 3202-3:1991

Laboratory furniture and fittings-Recommendations for design

$76.00 $152.40

BS 6349-5:1991

BS 6349-5:1991

Maritime structures-Code of practice for dredging and land reclamation

$226.00 $452.12

BS 7126-101:1991

BS 7126-101:1991

Urine collection bags-Specification for body-worn and non-body-worn bags

$125.00 $251.46

BS 2G 210:1991

BS 2G 210:1991

Specification for PTFE insulated equipment wires and cables, single and multi-core, with silver plated copper conductors (190°C) or nickel plated copper conductors (260°C)

$125.00 $251.46