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7
Modem LED Indicators
LED
Off
Green
Solid Amber
Troubleshooting
Symptom
Mobile
computer is not
communicating
through the
modem.
Modem is not properly connected to the mobile computer;
modem is not receiving power.
Modem is connected to the mobile computer and is
receiving power.
Mobile computer is communicating with the host
computer.
Possible Cause
The modem cable is
not fully connected.
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.
MDM9000 Modem
Indication
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.
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