Dell OptiPlex 330 Quick Reference Manual page 42

2 link integrity
light
3 network adapter
connector
4 network activity
light
5 line-out
connector
6 microphone/line-
in connector
7 USB 2.0
connectors (6)
42
Quick Reference Guide
• 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 1-Gbps
(1000-Mbps) network and the computer.
• Off — The computer is not detecting a physical
connection to the network.
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 at least 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.
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.
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.
Use the blue and pink line-in connector to attach a
record/playback device such as a cassette player, CD player,
or VCR; or personal computer microphone.
Use the back USB connectors for devices that typically
remain connected, such as printers and keyboards.
It is recommended that you use the front USB connectors
for devices that you connect occasionally, such as joysticks or
cameras.