Diagnosing and recovering from problems
10-15
Solving modem problems
Your modem is designed to provide reliable and trouble-free service. However,
should you experience any difficulty, the information in this section can help you
determine and resolve the source of the problem. If you cannot resolve the problem
after reading this section, contact your IBM PC HelpCenter for assistance. See
“How and when do I contact the IBM PC HelpCenter?” on page 2-5.
Table 3: Modem problems
If the problem is: Here's what to do:
Modem does not respond
to commands
1. Make sure the modem is not configured with a
conflicting COM port and IRQ setting.
2. Make sure the communications software is configured
with the correct COM and IRQ settings (same COM
port and IRQ line as the modem). Your
communications software will not be able to send and
receive data if it does not have the correct COM and
IRQ settings of the modem.
3. Make sure the modem is properly initialized by the
communications software. The modem can be
improperly initialized if you have selected an incorrect
modem type. Select "Hayes Compatible" modem type
and "Rockwell" in your data communications software.
Select "Generic class 1" and "Rockwell" in your fax and
voice software, respectively. You may also be prompted
by the software to enter an initialization string. Use
AT&F as your initialization string.
Modem dials but does not
connect
1. Make sure the phone line is working properly. A noisy
line will prevent proper modem operation.
2. Check for busy signal, ringback, or a remote answering
system.
Note:
If any of these problems continue after taking the actions listed, see “Chapter 2.
HelpWare support and services” for information on obtaining service.
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