Power Problems; Lan Connection Problems; Usb Connection Problems - 3Com HomeConnect 3CP4130 User Manual

problem before working through the WAN connection problems.

Power Problems

Symptoms
The LAN LED is Off. The LAN cable is not connected

LAN Connection Problems

Symptoms
The LAN LED is Off. The LAN cable is not connected

USB Connection Problems

Symptoms
My Windows-based PC did not
automatically detect the modem
when I plugged in the USB cable
for the first time.
The USB LED on the modem is
Off.
Possible Cause
The MDI/X switch on the back of
the modem is set to connect to a
single PC but the cable is
connected to a hub (or vice
versa).
Possible Cause
The MDI/X switch on the back of
the modem is set to connect to a
single PC but the cable is
connected to a hub (or vice
versa).
The LAN cable has been
damaged.
Possible Cause
The modem is not
powered on.
There's a USB
connection problem.
The USB cable has been
damaged.
Corrective Action
Check that one end of the LAN cable
is fully plugged into the LAN port on
your modem and the other end is fully
plugged into the local LAN
connection.
Press the switch in to connect to a hub
and out to connect to a PC.
Corrective Action
Check that one end of the LAN cable
is fully plugged into the LAN port on
your modem and the other end is fully
plugged into the local LAN
connection.
Press the switch in to connect to a hub
and out to connect to a PC.
Replace the cable with another LAN
cable.
Corrective Action
Plug in the modem and allow it
enough time to complete the boot
process. (Status LED goes off.)
Check that one end of the USB
cable is fully plugged into the
USB port on the modem and the
other end is fully plugged into
the PC's USB port.
Replace the USB cable.