Modem Module - Symbol MC9000-K/S Reference Manual

Modem Module

Table 15-10. Troubleshooting the Modem Module
Symptom
Mobile computer is The modem cable is not fully
not communicating connected.
through the modem.
Modem is not securely connected to
the mobile computer.
Communication software is not
installed or configured properly.
Problem in the telephone lines.
Mobile computer's battery is low or
discharged, which shuts off power to
the modem.
ActiveSync fails. A partnership was not established
with the host computer.
Host computer is not selected in the
ActiveSync window on the mobile
computer.
Modem RAS connection not allowed
by host computer.
Mobile computer or modem was
disconnected from the telephone
line while ActiveSync was in
progress.
Synchronization occurred, but the
session is configured to close
immediately after synchronization is
complete.
Possible Cause
Maintenance & Troubleshooting
Action
Connect the modem cable securely to both the modem and
the telephone jack.
Reconnect the modem firmly to the mobile computer.
Set up the communication software as described in the
mobile computer's Product Reference Guide.
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.
Install a charged battery in the MC9000, or use an external
DC power adapter to recharge the battery.
Establish a partnership with the host computer (see
Chapter 4, Communications).
Select a host computer in the ActiveSync window, and
perform setup (see Chapter 4,
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.
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.
Verify the setting of the When manually synchronizing
disconnect when complete checkbox by tapping Start -
ActiveSync - Tools - Options - Schedule tab.
Communications).
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