Bizarre problem with Multiech/fax reception

Gert Doering (gert@greenie.muc.de)
Wed, 14 Apr 1999 08:35:49 +0200


Hi,

On Wed, Apr 14, 1999 at 08:18:50AM +0200, Marc SCHAEFER wrote:
> anyone having seen the files received by a Multitech fax modem and
> mgetty be not g3 (file reports fli ...). As I understand mgetty,
> the fax data comes from the modem unchanged. 

This is correct.

Note that some of the MultiTech modems do not have the Rockwell-
compatilibity bug, and thus the bit order of the G3 bytes is correct
(instead of "wrong as usual").

Try converting the G3 images with "g32pbm -r" or "viewfax -r" (-r will
reverse the bits).

> So if the modem doesn't
> send g3 data, well, the resulting file is not g3 data. If this
> assumption is right, then it's probably either a firmware problem
> or a special mode/setting in the modem (the modem was used with
> MS-* software before).  AT&F doesn't give anything, however.
> 
> If yes, I will tell the guy to browse the manual :)

Point him at the "MultiTech" section of the mgetty manual :-)

gert
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Gert Doering - Munich, Germany                             gert@greenie.muc.de
fax: +49-89-35655025                        gert.doering@physik.tu-muenchen.de