Back Panel Connectors

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1	parallel connector	Connect a parallel device, such as a printer, to the parallel 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 your User’s Guide.

2	line-out/ headphone	Use the green line-out connector to attach headphones and most speakers with
	connector	integrated amplifiers.
		On computers with a sound card, use the connector on the card.

3	PS/2 mouse connector	Plug a standard mouse into the green mouse connector. Turn off the computer
		and any attached devices before you connect a mouse to the computer. If you
		have a USB mouse, plug it into a USB connector.
		If your computer is running the Microsoft® Windows® XP operating system, the
		necessary mouse drivers have been installed on your hard drive.

4	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.

Quick Reference Guide

Dell MD506 manual Back Panel Connectors, Address. For more information, see your User’s Guide