Maintenance & Troubleshooting
15-17
Modem Module
Table 15-10. Troubleshooting the Modem Module
Symptom
Possible Cause
Action
Mobile computer is
not communicating
through the modem.
The modem cable is not fully
connected.
Connect the modem cable securely to both the modem and
the telephone jack.
Modem is not securely connected to
the mobile computer.
Reconnect the modem firmly to the mobile computer.
Communication software is not
installed or configured properly.
Set up the communication software as described in the
mobile computer’s
Product Reference Guide
.
Problem in the telephone lines.
Connect a conventional telephone and dial the remote
modem to verify the telephone lines are functioning. If the
remote modem does not answer the call and emit
answering tones, contact the remote System
Administrator.
Mobile computer’s battery is low or
discharged, which shuts off power to
the modem.
Install a charged battery in the MC9000, or use an external
DC power adapter to recharge the battery.
ActiveSync fails.
A partnership was not established
with the host computer.
Establish a partnership with the host computer (see
Host computer is not selected in the
ActiveSync
window on the mobile
computer.
Select a host computer in the
ActiveSync
window, and
).
Modem RAS connection not allowed
by host computer.
Select RAS connection in the host computer
(File
-
Connection Settings
window). Refer to the ReadMe files
located in the Microsoft ActiveSync folder on the host
computer.
Mobile computer or modem was
disconnected from the telephone
line while ActiveSync was in
progress.
Disconnect the modem cable for 30 seconds to hang up the
local telephone connection. Close any open windows on
the mobile computer and any modem connections.
Synchronization occurred, but the
session is configured to close
immediately after synchronization is
complete.
Verify the setting of the
When manually synchronizing
disconnect when complete
checkbox by tapping
Start
-
ActiveSync
-
Tools
-
Options
-
Schedule
tab.
Summary of Contents for MC9000-K/S
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