Symbol PDT 8100 Series Product Reference Manual page 293

Table 12-6. Troubleshooting the MDM8100-150 (continued)
Symptom
Terminal not communicating
through the modem.
Cause
The modem cable is not fully
connected.
MDM8100 device is not
securely attached to the bottom
of the terminal.
Communications software is not
installed or configured properly.
Problems in the telephone lines
that prevent communication.
Terminal's battery is low or
discharged. Power to the
modem is shut off if the battery
is low.
Maintenance and Troubleshooting
Solution
Ensure the modem cable is
connected securely to both the
MDM8100 and to the telephone
jack.
Remove and re-attach the
MDM8100, ensure it is firmly
attached on the bottom of the
terminal.
Reinstall or reconfigure
software (see Communication
Software Installation
3).
Connect a conventional
telephone and dial the remote
modem to verify the telephone
lines are functioning properly.
You should hear the remote
modem answer the call and
emit answering tones. If not,
contact the remote System
Administrator.
Ensure you have a charged
battery. Use an external DC
power adaptor to recharge the
battery.
on page 4-
12-21