User`s manual

U.S. Robotics I-modem Command Reference
Analog Synchronous Applications • Page 16-14
Note Data Terminal Ready (DTR) override must be OFF when using the I-
modem in online synchronous mode. Use &D1 or &D2. See Chapter 6,
Controlling EIA-232 Signaling.
ConÞguring the I-modem
1. If your communications software isn't running, load the program and start T
erminal
mode (see your software userÕs guide for instructions).
2. Send AT&F0B0&X0 <Enter>.
The device you are calling should also be set to the equivalent of B0, which tells the I-
modem to use the V.25 answer sequence, and &X0, which identiÞes the I-modem as the
source of synchronous timing signals.
3. Set the connection rate to be used (between the I-modem and the remote communica-
tions device) when the I-modem is online.
First try a variable connection rate of &N0. If that doesn't work, try a Þxed connection
rate of &N6 (9600 bps) or &N3 (2400 bps).
&N0 Variable (default) &N8 14.4 Kbps
&N1 Reserved &N9 16.8 Kbps
&N2 1200 bps &N10 19.2 Kbps