Dell Precision 370 - Manual (Page 20)

1 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 "System Setup Options."
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.
3 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.
4 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.
5 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.
6 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 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 connector 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.
7 network
activity
light
Flashes a yellow light 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.
8 USB 2.0
connectors
Use the back USB connectors for devices that typically remain connected,
such as printers and keyboards.