PE> Could you do me a favour and call me with your Dataplex modem

IS> No indication of retraining or any delays here (apart from a longish wait
IS> till hangup after receiving your filelist?)  What do your stats have to
IS> say?

 PE> I will insert them below.  Not that they give me any info.  The
 PE> info I was after was whether YOU would see a retrain request
 PE> reported on your modem.  Since you didn't see one, we have a
 PE> new query.  Why are you not seeing a "retrain", but Rod is?

Fairly obviously - I don't run a Supra :)  Yes, I was watching that call
very closely.  Your log entry shows clearly enough that ring to connect was
about 11 seconds; average, and nowhere near time for a full retrain after
trainup.  Nine seconds later it was into session - again, about average for
YooHoo.

 PE> assume the behaviour of Binkley 2.50.  Just who is meant to
 PE> hang up after a zmodem transfer?  I'll have to investigate
 PE> that though, as I think both ends should hang up.

Both did, though a WaZOO session isn't just a zmodem transfer.  The extra
10 seconds between the last file and hangup would be yours checking for
nothing else to send, I expect; it's not that uncommon after file requests.
 My end drops DTR synchronously with logging of 'End of WaZOO/EMSI
Session'.  Yours obviously did too; .1 sec later your log said - near
enough.

IS> No, I've the DPX596 only, currently.  What doesn't happen here is any
IS> connect difficulties, obvious retraining or rateshifting, nor any other
IS> problems when calling any Couriers, to date.  No Supras call here, to my
IS> knowledge.

 PE> Would it be possible that you have retrains disabled, and your
 PE> modem only reports when it accepts a retrain request, or
 PE> initiates one?

No, neither.  It's always enabled, and my DA light flashes during retrains,
with the FB light indicating any fallback taken.

IS> Whether it only happens when some/all Supras of that
IS> vintage call Couriers, is perhaps what's worth finding out.
 IS> I rather doubt
IS> USR would be interested in investing development time if it
 IS> doesn't effect
IS> more than a few oldish modems, though it may cover some generic range ..

 PE> Yeah, but all that does is lump USR with every other manufacturer.
 PE> You're on your own when you walk out the door.

That hardly appears to be the case.  Until we get reports of other V.32bis
modems having this problem with Couriers, there's nothing to go on.  If you
expect every modem to work with every other modem, especially older models
no longer in development, your expectations are much higher than those of
any modem manufacturer I've come across.  How are Supra handling enquiries?

Thanks for the log.

 PE> # 09 Feb 02:29:31.53   USRobotics Courier V.32bis Dual
 PE> Standard V.34+ Fax Link Diagnostics...
 PE> # 09 Feb 02:29:32.03   Modulation               V.32/bis/terbo

Terbo?

 PE> # 09 Feb 02:29:32.06   Carrier Freq (Hz)        0/0
 PE> # 09 Feb 02:29:32.06   Symbol Rate              0/0
[..]
 PE> # 09 Feb 02:29:32.18   Recv/Xmit Level (-dB)    0/0
 PE> # 09 Feb 02:29:32.18   Roundtrip Delay (msec)

Hmm, have you already had Binkley issue an ATZ at this stage?

[..]
 PE> # 09 Feb 02:29:32.37   Blocks resent                 0
 PE> # 09 Feb 02:29:32.40   Retrains Requested            0
 PE> Retrains Granted              0
 PE> # 09 Feb 02:29:32.43   Line Reversals                0
 PE> Blers                         0
 PE> # 09 Feb 02:29:32.46   Link Timeouts                 0
 PE> Link Naks                     0
 PE> # 09 Feb 02:29:32.50   Data Compression       V42BIS 2048/32
 PE> # 09 Feb 02:29:32.50   Equalization           Long
 PE> # 09 Feb 02:29:32.53   Fallback               Disabled

Er, fallback disabled where?  It sure isn't here (%F1).

 PE> # 09 Feb 02:29:32.53   Protocol               LAPM 128/15

Hmm, no 256 byte frames, despite 'Connect 14400/Lap-M/Compression' here ..

 PE> # 09 Feb 02:29:32.56   Speed                  14400
 PE> # 09 Feb 02:29:32.56   Last Call              00:00:47

# 09 Feb 01:34:41 BINK 000:47    -- modem reported time online
# 09 Feb 01:34:42 BINK 007       -- sig. qual. out of 7

.. which is all the stats data I'm reporting, with 'Aftercall 2 ATKS69?'

Ian

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