User's Guide

- 15 -
V487i WMU User’s Guide
# Problem Description Possible Cause Potential
Resolutions
2 The LAN LED does not
light up.
The connection
between the
modem and
the PC may be
faulty.
1. Check the
10/100BaseT
cable connection.
2. Check the
network
configuration: IP
address,
Gateway, DHCP,
and DNS.
3. Reset the modem
by disconnecting
and reconnecting
the power.
4. Replace the NIC
Ethernet card.
5. Test the
connection using
another modem
or network
device.