Dell OptiPlex 755 Quick Reference Manual page 40

Back View
1
1 card slots (2)
2 back panel
connectors
3 power connector
4 voltage selection
switch
5 padlock ring
6 cover release
latch
40
Quick Reference Guide
2
Access connectors for any installed PCI cards, PCI Express
cards, PS/2, eSATA, and so on.
Plug serial, USB, and other devices into the appropriate
connectors (see "Back Panel Connectors" on page 41).
Insert the power cable.
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.
Insert a padlock to lock the computer cover.
Allows you to open the computer cover.
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