Arcadian Networks V487 Manuel de l'utilisateur - Page 14

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ROBLEM

If you encounter problems with your modem, try the following

steps.

Check for damage to the external modem casing during

shipping or installation. If you see visible damage, the

modem may need replacement.

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.

Verify that the RF coaxial cable is connected properly to

the modem N-type connector.

Verify that the PC 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

The RS232 does not

connected to the PC

ROUBLESHOOTING

Possible Cause

• The DC plug

may not be

installed

correctly.

• The power

supply may be

faulty.

• The serial port

of the PC is not

enabled

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V487i WMU User's Guide

Potential

Resolutions

1. Check the

connection of the

power supply.

2. Test the power

supply using

another modem.

3. Replace the

power supply if

necessary.

4. check the serial

port configuration

on the PC