Arcadian Networks Inc. AE11 Benutzerhandbuch
- 14 -
V487i WMU User’s Guide
5 P
ROBLEM
T
ROUBLESHOOTING
If you encounter problems with your modem, try the following
steps.
steps.
1
Check for damage to the external modem casing during
shipping or installation. If you see visible damage, the
modem may need replacement.
shipping or installation. If you see visible damage, the
modem may need replacement.
2
Verify that the 9.5Volt to 29V modem power supply jack is
connected to the modem POWER connector on the Left
side of the modem, and that the modem power supply is
connected to a known-good AC power outlet.
connected to the modem POWER connector on the Left
side 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 N-type connector.
the modem N-type connector.
4
Verify that the PC LAN LED is illuminated and that the LAN
cable is connected to a working Ethernet network port on
the PC.
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.
correct modem problems.
#
Problem Description
Possible Cause
Potential
Resolutions
Resolutions
1
The RS232 does not
connected to the PC
• The DC plug
may not be
installed
correctly.
installed
correctly.
• The
power
supply may be
faulty.
faulty.
• The serial port
of the PC is not
enabled
enabled
1. Check the
connection of the
power supply.
power supply.
2. Test the power
supply using
another modem.
another modem.
3. Replace the
power supply if
necessary.
necessary.
4. check the serial
port configuration
on the PC
on the PC