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Shareware Grab Bag
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maxwell.tqt
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maxwell.txt
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1985-11-09
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79 lines
QMODEM-Maxwell Modem Setup
This is a report on setting up the Racal-Vadic Maxwell modem using
QMODEM. As far as I have been able to tell, complete compatability
is not possible, but I have gotten it to work well enough. There are some
problems that the user should be aware of to avoid them.
1. The modem can only sync comm parameters in idle mode. It will not
sync while in command mode. This relates especially to the next item.
2. When a dial sequence fails to connect, QMODEM has no way to
automatically reset the modem to idle mode; it stays in command mode.
Hayes, of course, automatically returns to idle after a command sequence.
This results in the following conflicts:
A. If you dial another number at a different baud rate, the modem
will fail to sync. See #1. QMODEM starts the dialing
sequence or "Comm param change msg" at the new rate before
issuing the I{. You must manually set to idle before redialing
at a new baud rate.
B. If you try to redial any other number with a ^E as your first
character in the dial prefix, you will get an error from the
modem. The first character in the dial prefix must be I{ as
follows:
Modem Dial prefix | I{~^E{~~D
Dialing at the same baud rate proceeds normally with this
setup. In any other situation you must reset to idle manually.
I assigned a function key to I{ to reduce the aggrevation as
much as possible.
C. The pauses are necessary to give the modem a chance to respond
with its "HELLO, I'M READY" at 300 baud, if you use it. You
need one also after the I{. One in each position can be
eliminated at 1200 baud.