PD 6569-6.1:1992
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
Hardcopy , PDF
28-09-2012
English
31-10-1992
Specifies requirements for series apparatus for connection, in series with main apparatus such as a data modem or to a telephone instrument, to certain public switched telephone networks. Does not cover apparatus that performs a call routing function. Not applicable to apparatus for connection to shared service lines.
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