Re: [hylafax-users] A Hint about Devolo Microlink Fun II and Failure to train remote modem

[Matthias Reich <rei@xxxxxxxx>]

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

Am Freitag, 25. März 2005 14:10 schrieb Heino Backhaus:
> Hi Lee,
>
> >>Have you done the work to learn *which* of these several AT commands are
> >>the ones that made the difference?
>
> well, now i did, the results are surpising simple:
>
> All of these initstrings seems to be unnessassary the only parameter
> wich is realy needed is
> DCE-DTE-Speed of 57600bps. if I change this to 19200bps i got the same
> problem again.
> It`s a little strange to me that the problem occurs only by sending a
> fax to the HP OfficeJet. Sending it to an other
> Hylafax Server works good with 19200.
> In addition i tested 38400bps wich works fine too.
>
> Lee, do you got an idea why the problem occurs at DCE-DTE-Speed of
> 19200bps ?
> I would understand this if it would occur at speeds faster than 19200bps.
>
> I think the initstrings related with flowcontrol are still important.
> Because the traditional &K3 &K4 etc...
> commands are not working with this modem.
>
> Mathias, you`re using the USB-Version of this modem. This may be a
> completely different thing.
> But anyway try to increase the DCE-DTE-Speed to 57600, 115200 or higher.
> At the moment you`re using 38400
> this may be to slow ;-) (?).
>
Hi Heino,

we are not using the USB Version, we have the serial-version of this modem 
connected to a USB-to-serial converter.
We changed the config-file and are checking whether the brother-faxes are now 
willing to receive from this modem.

- -m

> >>AT+MR=0, AT+DR=1, AT+ER=1, and AT+ILRR=0.  Do you know what these
> >>settings do?
>
> According to dvl1262.inf  +DR:=1 enables V44, +ER enables LAPM the
> +ILRR= command
> seems to controll DTE-Modem Local Rate Reporting.
>
> Kind Regards
>  Heino

- -- 
HAGOS eG                 phone: +49 711 7880592
Matthias Reich             fax: +49 711 7880535
Industriestr. 62           web: http://www.hagos.de
D-70565 Stuttgart         mail: rei@xxxxxxxx
Germany
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.0 (GNU/Linux)

iD8DBQFCSOxScjMVLPQ5oUkRAgfhAJ94C14bPtQjEF3I3SpRGkJx/CW9PQCfc/X1
nXADLeh2O88Tzy2uUMokkUY=
=DTcT
-----END PGP SIGNATURE-----

____________________ HylaFAX(tm) Users Mailing List _______________________
  To subscribe/unsubscribe, click http://lists.hylafax.org/cgi-bin/lsg2.cgi
 On UNIX: mail -s unsubscribe hylafax-users-request@xxxxxxxxxxx < /dev/null
  *To learn about commercial HylaFAX(tm) support, mail sales@xxxxxxxxx*