Zebra MDM9000 Quick Reference Manual - Modem Led Indicators
7
MDM9000 Modem
Modem LED Indicators
Troubleshooting
LED
Indication
Off
Modem is not properly connected to the mobile computer;
modem is not receiving power.
Green
Modem is connected to the mobile computer and is
receiving power.
Solid Amber
Mobile computer is communicating with the host
computer.
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.