Dell OptiPlex GX520 - Manual (Page 17)

Quick Reference Guide
17
3 network adapter
connector To attach your computer to a network or broadband device, 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 adapter 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 light This light flashes yellow 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.
5 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.
6 line-out 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.
7 microphone connector Use the pink microphone connector to attach a personal computer microphone for
voice or musical input into a sound or telephony program.
On computers with a sound card, the microphone connector is on the card.
8 USB 2.0 connectors (6) Connect USB devices such as a mouse, keyboard, memory key, printer, joystick,
and computer speakers into any of the USB connectors.
9 video connector Plug the cable from your VGA-compatible monitor into the blue connector.
NOTE:
If you purchased an optional graphics card, this connector will be covered by
a cap. Connect your monitor to the connector on the graphics card. Do not remove
the cap.
NOTE:
If you are using a graphics card that supports dual monitors, use the y-cable
that came with your computer.
10 serial connector Connect a serial device, such as a handheld device, to the serial port. The default
designations are COM1 for serial connector 1 and COM2 for serial connector 2.
For more information, see "System Setup Options" in your online User’s Guide.