Dell OptiPlex 745c (Early 2007) - Manual (Page 11)

Quick Reference Guide
11
Mini Tower Computer — Back-Panel Connectors
1 cover-release latch This latch allows you to open the computer cover.
2 padlock ring Insert a padlock to lock the computer cover.
3 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:
The voltage selection switch must be set to the 115-V position even
though the AC power available in Japan is 100 V.
Also, ensure that your monitor and attached devices are electrically rated to
operate with the AC power available in your location.
4 power connector Insert the power cable.
5 back-panel connectors Plug serial, USB, and other devices into the appropriate connectors (see "Mini
Tower Computer — Back-Panel Connectors" on page 11).
6 card slots Access connectors for any installed PCI and PCI Express cards.
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