IBM 6643 User Manual page 80

Symptom
When you try to use the
modem, it does not work.
64
User Guide
Action
1. If you added, changed, or reinstalled a modem, make
sure it is installed correctly.
2. Make sure your communications program is configured
correctly. The following settings are generally
compatible:
v Modem settings:
– Generic Hayes-type modem
– Hayes-compatible error correcting
– Hayes-compatible high speed
– User-defined modem
– Hayes modem
– Other
If you select a modem type of Other, you must
include the proper modem initialization string. For
most programs, the initialization string
AT&F
will work.
v Baud rate: 115200 Kbps or the maximum setting
offered by your communications software
v COM port: COM1
For help with configuring your communications
program, refer to the documentation that comes with
your communications program.
If these actions do not correct the problem, run the
diagnostic programs (see "Running the IBM Enhanced
Diagnostics program" on page 67). If you need technical
assistance, see "Chapter 7. Getting information, help,
and service" on page 71.