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‡A green link integrity indicator lights up when there is a good connection between the network and the NIC. When the green indicator is off, the computer is not detecting a physical connection to the network.

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parallel port	mouse	USB	link integrity	activity indicator
connector	connector	connectors (2)	indicator

serial port 1	keyboard	serial port 2	video connector	optional integrated
connector	connector	connector		NIC connector

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Your computer’s NIC connector (an RJ45 connector located on the back panel) is designed for attaching an unshielded twisted pair (UTP) Ethernet cable. Press one end of the UTP cable into the NIC connector until the cable snaps securely into place.

Connect the other end of the cable to an RJ45 jack wall plate or to an RJ45 port on a UTP concentrator or hub, depending on your network configuration. Observe the fol- lowing cabling restrictions for 10BASE-T and 100BASE-TX networks.

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‡

‡

For 10BASE-T networks, use Category 3 or greater wiring and connectors.

For 100BASE-TX networks, use Category 5 wiring and connectors.

‡The maximum cable run length (from a workstation to a concentrator) is 328 feet (ft) (100 meters [m]).

4-2 Dell OptiPlex G1 Midsize Managed PC Reference and Installation Guide