guy@enmasse.UUCP (The Computer Guy) (12/18/86)
> Modems use the same lines as voice. > This is true, but they soak up a much higher bandwidth than voice. If you are multiplexing telephone signals on a single channel, a modem signal reduces the number of simultaneous conversations you can carry. Apologies if this point has already been made. By the way, get this OUT of net.sources. -- -- guy k hillyer {alliant,panda,drilex}!enmasse!guy
caf@omen.UUCP (Chuck Forsberg WA7KGX) (12/21/86)
In article <488@enmasse.UUCP> guy@enmasse.UUCP (The Computer Guy) writes:
:> Modems use the same lines as voice.
:>
:This is true, but they soak up a much higher bandwidth than voice. If you
:are multiplexing telephone signals on a single channel, a modem signal
:reduces the number of simultaneous conversations you can carry. Apologies
:if this point has already been made.
A 212 or v.22bis modem signal fits well within a standard telephone voice
channel, it does not take up more bandwidth.
While there are some multiplexing schemes that are more heavily loaded by
a -12 dbm modem signal than by a voice signal with peaks 10 or 20 db higher,
I doubt that many local calls would involve such high value mux gear.