Dell OptiPlex 330 (Late 2007) - Manual (Page 32)

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network and the computer.
l Orange — A good connection exists between a 100-Mbps
network and the computer.
l Yellow — A good connection exists between a 1-Gbps (1000-
Mbps) network and the computer.
l Off — The computer is not detecting a physical connection to
the network.
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-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.
6 microphone/line-in
connector
Use the blue and pink line-in connector to attach a record/playback
device such as a cassette player, CD player, or VCR; or a personal
computer microphone.
7 USB 2.0
connectors (6)
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.
8 VGA video
connector
Connect the monitor's VGA cable to the VGA connector on the
computer.
On computers with a video card, use the connector on the card.
9 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 System Setup Options .