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- 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.