3Com Cable Modem External Modem User Manual


 
Setting Up the Computer to Use an Ethernet Connection
31
in the preceding instructions. If the computer still does not
have a Hardware Address, please contact your local Apple
authorized dealer or Apple support.
Connecting the Cable Modem
1 Power off the computer.
2 Use the illustration on page 35 as a guide to make the
following connections:
Connect the cable line to the cable modem’s CATV
cable connector. Be careful not to bend the wire in
the center of the cable line when you connect it to
the cable modem. After hand-tightening the CATV
cable connector, use your adjustable wrench to
firmly tighten it. Be careful not to over-tighten the
connector or you may damage either the connector
or the cable modem. If you plan to have the cable
line connected to a television as well as to the cable
modem, you will need a cable line splitter (not
included).
Plug the cable modem’s power adapter into a wall
outlet or surge protector and into the cable
modem’s power jack.
Plug one end of the RJ-45 network cable into the
cable modem’s Ethernet port and the other end into
the existing NIC.
3 Verify that the cable modem starts up and initializes
properly. When the cable modem is operating properly, the
cable modem Link Status and Power LEDs are lighted a
solid green.
If you are powering up the cable modem for the first time,
allow 15 minutes for this process to complete. See “Cable