PE> Problems with USR Courier V34+
PE>
PE> Note: Supervisor Date = 1995-07-18
PE> DSP Date = 1995-07-05
DD> I'm still using the 07/05/95 version (both dates).
American date format or Australian?
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".
DD> You mean the port rate doen not change to the speed of the last AT command
DD> when an incoming call appears(?) This is documented in the manual - that is
DD> the way it works.
Nope, it is not documented that it sends responses to AT commands
at the same speed I sent them, yet sends the RINGs at the speed
of last &W.
PE> 2. Regularly getting 26400 connects with a Netcomm instead
PE> of 28800.
DD> Could be your line or theirs . . . . No noticable problem here with NetComm
DD> modems.
Could be the modem too. Russell has basically said just that,
at least with the "cheaper" modems.
PE> 3. 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. Yet the ATI6 does not
PE> show that a retrain was requested.
DD> Dunno about this one - that is I don't know if that happens here or not.
It does.
PE> 4. Having problems talking to a Supra modem, 50% dropouts
PE> where previously there were none (with a Spirit Thunder
PE> modem).
DD> Mr Speed's Supra can only manage to connect here at 14,400.
That is correct. He has a 14400 bps modem.
PE> 5. AT&F1 sets S56 equal to 16 instead of the default of 0
PE> listed in the manual.
DD> Definitely sets it to 0 (zero) here. Pehaps you have a
"bad" load of the
DD> SDL.
Me, Dave Hatch, and most likely Poe Lim also must have a bad load.
The reason I mention Poe is because Dave says he got the settings
from Poe, and S56=0 was one of the things you had to do after &F1.
I wondered why, when that was supposed to be the default.
PE> 6. A Spirit Thunder is getting connects with me at 2400 bps
PE> far more often than 19200. 1200 bps connects too.
DD> You user has modem illiteracy ptoblems. He is setting Telix to swap
DD> baudrates.
He gets the varying connect rates without touching his setup.
PE> 7. USR to USR connect failed due to a retrain failure.
PE> Also, USR to USR is showing 21600/2400 as the connect rate.
DD> Haven't seen this
I've only had it happen the once so far (that I've seen anyway).
PE> 8. Failed to connect to Hayes modem at all. Very weird
PE> sounds coming out. No problem when I was using a Spirit.
PE> This actually happened with an older revision of the ROMs,
PE> and cannot confirm at this stage whether it still exists
PE> because the modem was taken offline so that I could
PE> connect.
DD> Don't have any Hayes modems calling me (that I know of)
I can't give you the number to call either! Ain't that right,
Dave? :-)
PE> 9. A Netcomm modem (PCMCIA or something) gets connects of
PE> 1200, 2400, 14400 and 28800 with me. This also happened
PE> with the older ROMs, and the caller has not called since I
PE> changed ROMs, so cannot confirm the continued existance of
PE> this problem.
DD> The only PCMCIA modem I know of that calls here gets 28,800 stable
DD> connects.
May have been fixed with the new ROMs. The next 2.5 weeks
will tell. BFN. Paul.
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