Dell OptiPlex 320 - Manual (Page 22)

Back View
Back-Panel Connectors
10 CD/DVD drive Insert a CD or DVD (if supported) into this drive.
11 location of
Service Tag
Use the Service Tag to identify your computer when you access the Dell
Support website or call technical support.
1 card slots Access connectors for any installed PCI and PCI Express cards.
2 back-panel
connectors
Plug serial, USB, and other devices into the appropriate connector.
See
Back-Panel Connectors for details.
3 power
connector
Insert the power cable into this connector.
4 voltage
selection
switch
Your computer is equipped with a manual voltage-selection switch. To
help avoid damaging a computer with a manual voltage-selection switch,
set the switch for the voltage that most closely matches the AC power
available in your location.
NOTICE: In Japan the voltage selection switch must be set to the 115-V
position.
Also, ensure that your monitor and attached devices are electrically rated
to operate with the AC power available in your location.
5 padlock ring Insert a padlock to lock the computer cover.
6 cover release
latch
Use this latch to open the computer cover.
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 link integrity
light l Green — A good connection exists between a 10-Mbps network
and the computer.
l Orange — A good connection exists between a 100-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.