Dell OptiPlex GX520 - Manual (Page 16)

16
Quick Reference Guide
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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 to the voltage that most closely matches the AC power available in your
location.
NOTICE:
In Japan, the voltage selection switch must be set to 115-V.
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 3
10 9 8
5
6
7
2 4
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" in 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.
• Yellow — A good connection exists between a 1-Gbps (or 1000-Mbps) network
and the computer.
• Off — The computer is not detecting a physical connection to the network.