Dell OptiPlex 320 - Manual (Page 15)

Quick Reference Guide
15
3 network adapter
connector To attach your computer to a network or broadband device, connect one end of a
network cable to 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 (4) Use the back USB connectors for devices that typically remain connected, such as
printers and keyboards.
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.
10 serial connector Connect a serial device, such as a handheld device, to the serial port. The default
designation is COM1 for serial connector 1.
For more information, see your online User’s Guide.