DELL PD055 用户手册

Quick Reference Guide

Back Panel Connectors

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.

line-out/ headphone
connector

Use the green line-out connector to attach headphones and most speakers with
integrated amplifiers.

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

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.

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.