SUMMARY: modems

From: Ed Baxter (edward@PII.COM)
Date: Fri Sep 02 1994 - 18:40:50 CDT


Sun-Managers ,

My original message:

> >
> > Sun-Managers,
> >
> > We currently have 3 modems hooked to a 670 server via a sun
> > serial/parallel controller.
> >
> > My problem is that the modems do not allow clean file transfers (no CRC
> > errors) via Z-modem. The modems were once connected through a terminal
> > server which has since been put to other use. While it was on the
> > terminal server I was able to get them working fine. Now they don't.
> >
> > I have even connected a modem directly to the server and I get the same
> > results (can't transfer any type of file via Z-modem) so I believe it
> > is my modem settings.
> >
> >
> > Below are the settings of the modem I have been using for tests. It is a
> > Telebit World Blazer.
> >
> > WorldBlazer - SA - Version LA7.02 - Active Configuration
> > B1 E1 L1 M0 Q2 T V1 X4 Y0
> > &C1 &D2 &G0 &J0 &L0 &Q0 &R3 &S0 &T4 &X0
> > S000:1 S001=0 S002=43 S003=13 S004=10 S005=8 S006=2 S007=60
> > S008=2 S009=6 S010=14 S011=70 S012=50 S018=0 S025=5 S026=1
> > S038=0 S041:3 S045=0 S046=0 S047=4 S048=0 S050=0 S051:6
> > S056=17 S057=19 S058:2 S059=0 S060=0 S061=1 S062=15 S063=0
> > S064=0 S068=255 S069=0 S090=0 S092:1 S093=8 S094=1 S100=0
> > S104=0 S105=1 S111=255 S112=1 S113=126 S114=0 S115=0 S151=4
> > S155=0 S180=2 S181=1 S183=25 S190=1 S191=7 S253=10 S254=255
> > S255=255
> > OK
> >
> > It is currently back to the settings that used to work with the
> > terminal server. It is currently set for hardware control, I have tried
> > Xon/Xoff with no change in results.
> >
> > Are there any modem experts out there that could help?
> >
> > Ed Baxter
> > Praegitzer Industries
> >

THANKS! to Steven Grevemeyer who hit the nail squarely on the head when
        he wrote:

----- Begin Included Message -----

The hardware flow control is broken on the 670s.
try this:

stty crtscts tostop
and then do your transfer. (make sure you have rts/cts turned on
on the modem and not xon/xoff).

-seg
----- End Included Message -----

Thanks also to:

Larry Chin
Ken Burns
Chris Griffin

for their responses.

Ed Baxter
Praegitzer Industries



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