Dell OptiPlex 755 Guide De Référence Rapide page 20

3 voltage selection
switch
4 power connector
5 back panel
connectors
6 card slots (4)
Back Panel Connectors
9
1 parallel connector Connect a parallel device, such as a printer, to the parallel
20
Quick Reference Guide
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:
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 the power cable.
Plug serial, USB, and other devices into the appropriate
connectors. See "Back Panel Connectors" on page 20.
Access connectors for any installed PCI or PCI Express cards,
PS/2 connector, eSATA connector, etc.
1
8
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.
In Japan, the voltage selection switch must be
2 3 4
7
5
6