BS 6450-1:1983

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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.

Product Details

Published:

09/01/1988

ISBN(s):

0580135853

Number of Pages:

27

File Size:

1 file

Product Code(s):

10134103, 10134103, 10134103

Note:

This product is unavailable in Ukraine, Russia, Belarus