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echo: aust_modem
to: Russell Brooks
from: Rod Speed
date: 1996-02-01 15:31:12
subject: USR Courier V34 problems

PE> I have been given a USR Courier V34+ for trial for 1 month.

PE> 3. Modem is initiating a retrain straight after each connect, even with
PE> V32bis modems.  I would expect that the initial negotiation would have
PE> figured that out, no need for a retrain on every single bloody call.

This is completely mindless behaviour when its being called by a
V32bis modem. The USR shouldnt be demanding a full retrain straight
after the connect at all, and shouldnt even be attempting a fall
forward since its already at the maximum possible speed of 14400.

I get exactly the same result with Poe and the
Bulldog too, so it cant be Pauls line or setup.

I never see anything remotely like that calling anything but a USR V34+ either.

And disabling line quality monitoring at my end with %E0 has
no effect at all on that, so mine cant be asking for a retrain.

PE> 4. Having problems talking to a Supra modem, 50% dropouts
PE> where previously there were none (with a Spirit Thunder modem).

These are actually seen immediately after the retrain. In other
words about 30% dont get thru the retrain successfully, I just
see continual receive and transmit errors indicated by the modem
and the mailer eventually gives up trying to session handshake
thru that. A few do actually eventually come good, but by then
the mailer has timed out the session handshake.

And its actually closer to 30% failures now there are more stats.

RB> Is this Rod's, What Chip revision is it.

Yes, note this is a SupraFaxModem V32bis, not V34 or VFC.
ati3 produces V1.80-03 TR14-Jxxx-001 005

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