Fax connect speeds

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On Sun, 6 Dec 1998 12:10:28 +0100,  Gert Doering <gert@greenie.muc.de> =
wrote:

>Hi,
>
>On Sun, Dec 06, 1998 at 05:05:36AM +0000, Michael Van Donselaar wrote:
>> I've been using two different faxes for testing:  a Canon 9000 Super =
G3 and an old Sharp 510 (either
>> a 9600 or 14400 machine)
>>=20
>> I keep getting 2400 bps connects from both.
>
>Or at least that's what your modem is telling you:
>
>> 12/05 22:32:56 yS1  mdm_send: 'AT+FLID=3D"402 467 1707"' -> OK
>> 12/05 22:32:56 yS1  mdm_send: 'AT+FDCC=3D1,5,0,2,0,0,0,0' -> OK
>
>You're telling the modem "fine mode is allowed, maximum speed 14400", =
and
>the modem accepts it.
>
>> 12/05 22:37:14 yS1  fax_id: '+FTSI: "          4024671707"'
>> 12/05 22:37:15 yS1  transmission par.: '+FDCS: 0,0,0,0,0,0,0,5'** =
found **
>
>The modem reports back something that doesn't really make sense - normal
>mode, 2400 bps, but MUCH delay for every scan line in the fax.
>

Could you point me to some docs explaining this line?  Is this the exact =
info sent by the sending
fax, or the results agreed upon after negotiation?  If it is the exact =
info, then I KNOW that my
*%$*$* Atlas modem is mangling it:  The fax is capable of at least 9600.

>> 12/05 22:37:15 yS1  fax_send: 'AT+FDR'
>> 12/05 22:37:15 yS1  fax_wait_for(CONNECT)
>> 12/05 22:37:20 yS1  transmission par.: '+FDCS: 0,0,0,0,0,0,0,5'** =
found **
>> 12/05 22:37:21 yS1  fax_get_page_data: receiving =
/var/spool/fax/incoming/fn66a09e4S1-402
>> 4671707.01...
>> 12/05 22:38:16 yS1  fax_get_page_data: page end, bytes received: 16533
>> 12/05 22:38:16 yS1  fax_wait_for(OK)
>
>Let's do some timing math. =20
>
>(16533 bytes * 8 bits/bytes) / 55 seconds (37:21 to 38:16) =3D 2404 =
bits/sec.
>
>Seems that it's really only doing 2400 bps.  If that is so, your modem
>doesn't want to use a higher speed.
>
>Besides this, everything looks pretty good...
>
>gert