Dell precision workstation Network adapter, Attached, To ensure reliable operation, On state

5	link integrity light	• Green — A good connection exists between a 10-Mbps network and the
		computer.
		• Orange — A good connection exists between a 100-Mbps network and the
		computer.
		• Yellow — A good connection exists between a 1000-Mbps (or 1-Gbps) network
		and the computer.
		• Off — The computer is not detecting a physical connection to the network.
6	network adapter	To attach your computer to a network or broadband device, connect one end
	connector	of a network cable to either a network jack or your network or broadband device.
		Connect the other end of the network cable to the network adapter connector
		on your computer. A click indicates that the network cable has been securely
		attached.
		NOTE: Do not plug a telephone cable into the network connector.
		On computers with an additional network connector card, use the connectors
		on the card and on the back of the computer when setting up multiple network
		connections (such as a separate intra- and extranet).
		It is recommended that you use Category 5 wiring and connectors for your
		network. If you must use Category 3 wiring, force the network speed to 10 Mbps
		to ensure reliable operation.
7	network activity light	Flashes a yellow light when the computer is transmitting or receiving network
		data. A high volume of network traffic may make this light appear to be in a steady
		"on" state.

8USB 2.0 connectors (2) It is recommended that you use the front USB connectors for devices that you connect occasionally, such as flash memory keys, cameras, or bootable USB devices.

Use the back USB connectors for devices that typically remain connected, such as printers and keyboards.

9	IEEE 1394 connector	Use the IEEE 1394 connector for high-speed data devices such as digital video
		cameras and external storage devices.
10	keyboard connector	If you have a standard keyboard, plug it into the purple keyboard connector.
		If you have a USB keyboard, plug it into a USB connector.
11	line-in connector	Use the blue line-in connector to attach a record/playback device such as a cassette
		player, CD player, or VCR.
		On computers with a sound card, use the connector on the card.
12	serial connector	Connect a serial device, such as a handheld device, to the serial port. If necessary,
		the address for this port can be modified through System Setup (see your User’s
		Guide for more information).
13	serial connector	Connect a serial device, such as a handheld device, to the serial port. If necessary,
		the address for this port can be modified through System Setup (see your User’s
		Guide for more information).

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Quick Reference Guide