Symbol PDT 8100 Series Product Reference Manual page 249

Table 12-4. Troubleshooting The CRD 8100-1200M (continued)
Symptom
Terminal not
communicating
through the
modem.
Terminal not
communicating
through the serial
cable.
Possible Cause
The modem cable is not
properly connected.
The cradle is not receiving
power.
The terminal is not fully
seated in the cradle.
Communications software is
not installed or configured
properly.
Configuration parameters
are lost after a cold boot
(hard reset) is performed.
Problems in the telephone
lines that prevent
communication.
Modem/Serial switch not set
correctly.
The serial cable is not fully
connected.
The terminal is not fully
seated in the cradle.
Communications software is
not installed or configured
properly.
Modem/Serial switch not set
correctly.
Maintenance and Troubleshooting
Action
Ensure the modem cable is connected securely
to both the cradle and to the telephone jack.
Ensure the power cable is connected securely
to both the cradle and to the AC power.
Remove and re-insert the terminal into the
cradle, making sure it is firmly seated.
Perform setup as described in
Setup on page 4-6.
Perform setup as described in
Setup on page 4-6.
Connect a conventional telephone and dial the
remote modem to verify the telephone lines are
functioning propoerly. You should hear the
remote modem answer the call and emit
answering tones. If not, contact the remote
System Administrator.
Ensure the Modem/Serial switch is set to
Modem.
Ensure the serial cable is connected securely to
both the cradle and to the host computer.
Remove and re-insert the terminal into the
cradle, ensuring it is firmly seated.
Perform setup as described in the
Communication Setup
Ensure the Modem/Serial switch is set to Serial.
Communication
Communication
on page 4-6.
12-13