ITU-T V.36 PDF

The family of modems covered by this Recommendation should be applicable to the following uses:

a) transmission of data between customers on leased circuits;

b) transmission of a multiplex aggregate bit stream for public data networks;

c) extension of a PCM channel at 64 kbit/s over analogue facilities;

d) transmission of a common channel signalling system for telephony and/or public data networks;

e) extension of Single-Channel-Per-Carrier (SCPC) circuit from a satellite earth station;

f) transmission of a multiplex aggregate bit stream for telegraph and data signals.

Principal recommended characteristics to be used for simultaneous both-way synchronous operation.