Dear all
I'm not sure if this is the right venue for this message - I've only
just signed on here.  If not, please could someone re-direct me?

I have a mystery problem with my modem, a USR 28,800 internal model.
For no apparent reason, it seems to be hanging up in mid-session.  This
can happen whilst collecting e-mail (rarely) or downloading web-pages
(more normally).  It happens with more than one ISP.  I rarely
experience similar difficulties when accessing hosts via Dialplus-type
connection.

I have taken advice from some folks on CompuServe forums, who have
suggested reducing data rate from 57,600 to 38,400 and adding an extra
parameter "&F1&K0" in the settings panel.  These were suggested as
giving extra stability.

Following is an extract from my modemlog.txt file, which contains the
entry for a session which hung on me.  It doesn't mean a thing to me.
Can anyone advise if there is anything in this log which suggests the
nature of the problem?  Thanks in advance.



--
Stephen Adams
Magister Ltd. - Patents Documentation Consultancy
62 Norton Road, Reading, RG1 3QJ, GB
Tel/fax:  +44 (0)118 926 7981
e-mail:  [log in to unmask]

Registered in England and Wales.  Company No. 3407685
Registered address : Canada House, 272 Field End Road, Eastcote,
Ruislip, Middlesex  HA4 9NA.




Example modem hanging session - extract from modemlog.txt

01-05-1999 18:41:46.93 - Sportster 28800 Internal in use.
01-05-1999 18:41:46.97 - Modem type: Sportster 28800 Internal
01-05-1999 18:41:46.97 - Modem inf path: MDMUSRSP.INF
01-05-1999 18:41:46.97 - Modem inf section: Modem19
01-05-1999 18:41:47.23 - 38400,N,8,1
01-05-1999 18:41:47.56 - 57600,N,8,1
01-05-1999 18:41:47.56 - Initializing modem.
01-05-1999 18:41:47.56 - Send: AT<cr>
01-05-1999 18:41:47.58 - Recv: AT<cr>
01-05-1999 18:41:47.73 - Recv: <cr><lf>OK<cr><lf>
01-05-1999 18:41:47.73 - Interpreted response: Ok
01-05-1999 18:41:47.73 - Send: AT &F1 E0 V1 &C1 &D2 Q0 S0=0 &B1 &A3<cr>
01-05-1999 18:41:47.74 - Recv: AT &F1 E0 V1 &C1 &D2 Q0 S0=0 &B1 &A3<cr>
01-05-1999 18:41:47.91 - Recv: <cr><lf>OK<cr><lf>
01-05-1999 18:41:47.91 - Interpreted response: Ok
01-05-1999 18:41:47.91 - Send: ATS7=60S19=30L0M1&M4&K1&H1&R2&I0B0X4<cr>
01-05-1999 18:41:48.10 - Recv: <cr><lf>OK<cr><lf>
01-05-1999 18:41:48.10 - Interpreted response: Ok
01-05-1999 18:41:48.10 - Send: AT&F1&K0<cr>
01-05-1999 18:41:48.28 - Recv: <cr><lf>OK<cr><lf>
01-05-1999 18:41:48.28 - Interpreted response: Ok
01-05-1999 18:41:48.28 - Dialing.
01-05-1999 18:41:48.28 - Send: ATDT###########<cr>
01-05-1999 18:42:05.91 - Recv: <cr><lf>CONNECT 28800/ARQ/V34/LAPM<cr><lf>
01-05-1999 18:42:05.91 - Interpreted response: Connect
01-05-1999 18:42:05.91 - Connection established at 28800bps.
01-05-1999 18:42:05.91 - Error-control on.
01-05-1999 18:42:05.91 - Data compression off or unknown.
01-05-1999 18:42:06.51 - 57600,N,8,1
01-05-1999 18:45:22.39 - Hanging up the modem.
01-05-1999 18:45:22.39 - Hardware hangup by lowering DTR.
01-05-1999 18:45:23.12 - Recv: <cr><lf>NO CARRIER<cr><lf>
01-05-1999 18:45:23.12 - Interpreted response: No Carrier
01-05-1999 18:45:23.12 - Send: ATH<cr>
01-05-1999 18:45:23.27 - Recv: <cr><lf>OK<cr><lf>
01-05-1999 18:45:23.27 - Interpreted response: Ok
01-05-1999 18:45:23.32 - Session Statistics:
01-05-1999 18:45:23.32 -                Reads : 17413 bytes
01-05-1999 18:45:23.32 -                Writes: 2613 bytes
01-05-1999 18:45:23.32 - Sportster 28800 Internal closed.