Dell OptiPlex 210L - Manual (Page 50)

Back View
Back-Panel Connectors
To exit from a power-saving mode, press the power button or use the
keyboard or the mouse if it is configured as a wake device in the Windows
Device Manager. For more information about sleep modes and exiting from
a power-saving mode, see "
Power Management ."
See " System Lights " for a description of light codes that can help you
troubleshoot problems with your computer.
8 headphone
connector
Use the headphone connector to attach headphones and most kinds of
speakers.
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.
Also, ensure that your monitor and attached devices are electrically rated
to operate with the AC power available in your location.
NOTICE: In Japan the voltage selection switch must be set to the
115-V position.
4 power
connector
Insert the power cable into this connector.
5 back-panel
connectors
Plug serial, USB, and other devices into the appropriate connector.
6 card slots Access connectors for any installed PCI and PCI Express cards.