Using The Cable Connections Cd; Troubleshooting The Ethernet Installation - 3Com Cable Modem External Getting Started Manual

32 C 3: E
HAPTER THERNET
Modem Operation" for a more in-depth description of the
front panel LED indicators.
4 Power on the computer. When installation is complete,
your setup should resemble the diagram on page 35.

Using the Cable Connections CD

You do not need to install the included Cable Connections
CD to use the Ethernet port on the cable modem. You will,
however, want to discover the valuable free software
products included on the CD.
To install the Cable Connections CD, follow the instructions
on the CD.

Troubleshooting the Ethernet Installation

I cannot access my e-mail or Internet service.
Check all connections. Make sure the cable line is
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securely connected to the cable jack on the back of the
modem. Verify that the RJ-45 cable is securely plugged
into both the modem and the network interface card.
Make sure the power adapter is properly plugged into
the modem and into a wall outlet or surge protector. If
the cable modem is properly connected, the Cable
Modem Power, Cable Modem Status, and Link Status
indicator lights on the front of the modem should all be
a solid color.
Power cycle the cable modem by unplugging the power
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jack from its electrical outlet and then plugging it back
into the outlet. Then try reconnecting to your cable
service provider.
Call your cable service provider to verify that their
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service is two-way. This modem is designed for use with
two-way cable plants.
The network interface card or USB network interface
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may be malfunctioning. Refer to its documentation for
troubleshooting information.
If you are using a cable line splitter so that you can
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connect the cable modem and a television at the same
time, try removing the splitter and reconnecting the
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NSTALLATION