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echo: locsysop
to: Paul Edwards
from: David Drummond
date: 1996-01-28 20:08:04
subject: USR Courier

Paul, at 12:06 on Jan 26 1996, you wrote to All ...

PE> Problems with USR Courier V34+
PE>               
PE> Note: Supervisor Date = 1995-07-18
PE> DSP Date        = 1995-07-05


PE> 1. After receiving an "AT" command at a particular baud 
PE> rate, the modem does not adjust to that baud rate, and 
PE> instead stays at the rate at the time of last "AT&W".

As it is supposed to do (according to the docs).

PE> 2. After a call, if I issue an "ATI6" straight away, I do 
PE> not receive statistics.  If I put in a pause before the 
PE> ATI6, I do get the statistics.

I solved this by removing the ATZ from my Binkley initi string.

PE> 3. I am not connecting to other V34+ modems at rates above
PE> 28800.

Bullshit!  When I arrived home today after a weekend away there was a
CONNECT 31,200 from you when you freq'ed FILES.

PE> 4. Modem is initiating a retrain straight after each 
PE> connect, even with V32bis modems.  I would expect that the 
PE> initial negotiation would have figured that out, no need for 
PE> a retrain on every single bloody call.

PE> 5. Having problems talking to a Supra modem, 50% dropouts 
PE> where previously there were none (with a Spirit Thunder 
PE> modem).

PE> 6. AT&F1 sets S56 equal to 16 instead of the default of 0 
PE> listed in the manual.

Mine is definitely set to 0 by default.

David
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