Dell OptiPlex 320 - Manual (Page 14)

14
Quick Reference Guide
Mini Tower Computer — Back-Panel Connectors
4 voltage selection switch Your computer is equipped with a manual voltage-selection switch. To 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 back-panel connectors Plug serial, USB, and other devices into the appropriate connector.
See "Mini Tower Computer — Back-Panel Connectors" on page 14.
6 card slots Access connectors for any installed PCI and PCI Express cards.
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 your online User’s Guide.
2 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.
• Off — The computer is not detecting a physical connection to the network.
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