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New Multitech modem-blank faxes



I had previously submitted this question with the subject,
"Perfect Blank Faxes", but received no
responses from this otherwise quite active group.
(That suggests the problem may be more "interesting" than
my first assumption that I had just overlooked something obvious.)
Because I now have additional information much better delimiting
the area of the problem, I'm submitting a new inquiry.

Having read in this group of the problems of USRobotics
Sportster modems and after reading Sam Leffler's Modem Cookbook
at the Hylafax site, I installed a new multitech modem, MT5634ZBA,
a model recommended for this application by the Multitech Sales rep.

The modem appears to work fine, receives faxes without 
any error indications (even in the .../spool/log c000.... files --
detail of which was included in my previous posting --
BUT all the received fax pages (from a variety of fax machines
in various locations) are BLANK.
(Well, actually faintly streaked as one would get trying to
copy a blank page on a copier with adjusted toward "darker".)

When I disconnect the multitech and reconnect the USRobtics
and swap the USRobtics modem config file for the multitech version of
.../spool/etc/config.tty1A, I can again receive faxes
(tho with some of the previous intermittent problems of the USRobotics modem)
which contain their appropriate information.

Thus I conclude that this is either a hardware/firmware
problem with this new multitech modem (MT5634ZBA) or with the
config.tty1a file that was generated for it by faxaddmodem.
I have not received much help on this from multitech support,
but am still trying (and report any interesting results here).
A copy of the config file for the multitech is attached below.

I'd appreciate any help I can get (especially because I have
some remote locations that the USRobotic's modem services very poorly).

### ...etc/config.tty1A  (for the multitech generated by faxaddmodem  ###

# $Id: mt-1432,v 1.23 1996/06/24 02:58:36 sam Rel $
#
# HylaFAX Facsimile Software
#
# Copyright (c) 1990-1996 Sam Leffler
# Copyright (c) 1991-1996 Silicon Graphics, Inc.
# HylaFAX is a trademark of Silicon Graphics, Inc.
# 
# Permission to use, copy, modify, distribute, and sell this software and 
# its documentation for any purpose is hereby granted without fee, provided
# that (i) the above copyright notices and this permission notice appear in
# all copies of the software and related documentation, and (ii) the names of
# Sam Leffler and Silicon Graphics may not be used in any advertising or
# publicity relating to the software without the specific, prior written
# permission of Sam Leffler and Silicon Graphics.
# 
# THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, 
# EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY 
# WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.  
# 
# IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
# ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
# OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
# WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF 
# LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE 
# OF THIS SOFTWARE.
#

#
# Configuration for a Multi-Tech MT1432, MT224BA, and MT1932ZDX modems.
#
# MT1432	firmware rev 0307 I or newer
# MT132BG	rev 0109A
# MT1932ZDX	rev 0109H
#
# Note that MT1432 modems come in several varieties:
#
# MT1432BA	uses Rockwell data pump
# MT1432BA/A	uses AT&T data pump
# MT1432BG	MT1432BA tweaked for German FCC
# MT1432MK	(for UK?)
#
# The modem has been tried with both XON/XOFF and RTS/CTS flow
# control; this configuration is for hardware flow control.
#
#
CountryCode:		1
AreaCode:		512
FAXNumber:		1.512.367.8097
LongDistancePrefix:	1
InternationalPrefix:	011
DialStringRules:	"etc/dialrules"
ServerTracing:		1
SessionTracing:		11
RecvFileMode:		0600
LogFileMode:		0600
DeviceMode:		0600
RingsBeforeAnswer:	1
SpeakerVolume:		off
GettyArgs:		"-t60 tty1A o"
LocalIdentifier:	"NothingSetup"
TagLineFont:		etc/lutRS18.pcf
TagLineFormat:		"From %%l|%c|Page %%p of %%t"
MaxConsecutiveBadLines:	0
MaxRecvPages:		50
#
#
# Modem-related stuff: should reflect modem command interface
# and hardware connection/cabling (e.g. flow control).
#
ModemType:		Class2		# use class 2 interface
ModemRate:		38400		# lock rate for DCE-DTE communication
ModemFlowControl:	rtscts		# default
#
ModemHardFlowCmd:	AT&E4		# hardware flow control
ModemSoftFlowCmd:	AT&E5		# software flow control
ModemSetupDTRCmd:	AT&D3		# setup so DTR drop resets modem
ModemSetupDCDCmd:	AT&C1		# setup so DCD reflects carrier (or not)
ModemSetupAACmd:	AT+FAA=1	# enable adaptive-answer in class 2
#
# NB: some models get confused by the @
#
ModemDialCmd:		ATDT%s@		# T for tone dialing, @ for silence
#
Class2RecvDataTrigger:	"\022"		# character sent to modem to start recv

 Michael S. Weiner     4607 Agarita Cove #1     voice: 512-266-1188
 msw@cluedin.com       Austin, TX 78734 USA     fax:   512-386-8097



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