Apple G5 manual Using Your Modem, Connecting to an Ethernet Network

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Using Your Modem

Your Macintosh may come with an Apple 56K internal modem installed. To connect the Apple 56K internal modem, plug one end of the modem cord or RJ-11 cable into the modem port on the back of the computer and the other end into a standard RJ-11 telephone wall jack.

Modem port icon

Modem port

Important: Make sure you connect the internal modem to an analog phone line—the kind used typically in homes. The modem will not work with a digital phone line, which may damage the modem.

For information on how to establish an Internet connection, see Appendix C, “Connecting to the Internet,” on page 89. More information about the internal modem is also available in Mac OS Help.

Warning: Disconnect your modem from the phone jack during lightning or thunder storms to prevent damaging the modem with a voltage overload.

Connecting to an Ethernet Network

Your computer comes with built-in 10/100/1000 megabit per second (Mbps) twisted- pair Ethernet networking capability, which you can use to connect to a network or to a cable or digital subscriber line (DSL) modem.

Connecting to a network gives you access to other computers. You may be able to store and retrieve information; use network printers and electronic mail; or connect to the Internet. You can also use Ethernet to share files between two computers or set up a small network.

If you’re connecting to an existing network, you may be able to get information about the network and the network software you need from a network administrator who oversees its operation. Identify your organization’s network administrator before you begin.

Follow these guidelines when selecting a cable for your network:

Type of twisted-pair Ethernet	Use twisted-pair cable types
10 Mbps	Category (Cat) 3, 5, or 6
100/1000 Mbps	Cat 5 or 6

Chapter 2 Using Your Computer