User's Manual

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5 P ROBLEM T ROUBLESHOOTING
If you encounter problems with your modem, try the following
steps.
1 Check for damage to the external modem casing during
shipping or installation. If you see visible damage, the
modem may need replacement.
2 Verify that the 9-Volt modem power supply jack is
connected to the modem POWER connector on the rear of
the modem, and that the modem power supply is
connected to a known-good AC power outlet.
3 Verify that the RF coaxial cable is connected properly to
the modem CABLE connector.
4 Verify that the modem LAN LED is illuminated and that the
LAN cable is connected to a working Ethernet network port
on the PC.
Following are further steps you can take to identify and
correct modem problems.
# Problem Description Possible Cause Potential
Resolutions
1 The LEDs do not light
up.
• The DC plug
may not be
installed
correctly.
• The power
supply may not
be connected to
an active AC
power outlet.
• The power
supply may be
faulty.
1. Check the
connection of
the power
supply. Check
the wall outlet
with a working
lamp to see if
there is current.
2. Test the power
supply using
another
modem.
3. Replace the
power supply if
necessary.