Dell 740 manual User’s Guide, Network and the computer, Or 1000-Mbps network and the computer

1 parallel	Connect a parallel device, such as a printer, to the parallel
connector	connector. If you have a USB printer, plug it into a USB
	connector.
	NOTE: The integrated parallel connector is automatically
	disabled if the computer detects an installed card containing
	a parallel connector configured to the same address. For
	more information, see "System Setup Programs" in your online
	User’s Guide.

2link integrity • Green — A good connection exists between a 10-Mbps

	light	network and the computer.
		• Orange — A good connection exists between a 100-Mbps
		network and the computer.
		• Yellow — A good connection exists between a 1-Gbps
		(or 1000-Mbps) network and the computer.
		• Off — The computer is not detecting a physical
		connection to the network.
3	network adapter	To attach your computer to a network or broadband device,
	connector	connect one end 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 the back panel of 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 a network connector card, use the
		connector on the card.
		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.
4	network activity	Flashes a yellow light when the computer is transmitting or
	light	receiving network data. A high volume of network traffic
		may make this light appear to be in a steady "on" state.
5	line-out	Use the green line-out connector to attach headphones and
	connector	most speakers with integrated amplifiers.

On computers with a sound card, use the connector on the card.

Quick Reference Guide

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