Dell OptiPlex 755 - Manual (Page 30)

30
Quick Reference Guide
Back Panel Connectors
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 Allows you 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" in the User’s Guide.
1 3
9 8 7
5
6
2 4