User`s guide

Documentation
http://support.dell.com/support/edocs/acc/dapr/en/7u874eb1.htm[04/07/2011 16:11:32]
S-video connector — Connects a television or devices such as a camera or VCR.
digital-video interface connector — Connects an external monitor equipped with a digital video
interface.
video connector —
Connects an external monitor.
serial connector — Connects serial devices, such as a mouse or handheld device.
PS/2 connectors (2) — Connect PS/2-compatible devices, such as a mouse, keyboard, or external
numeric keypad. Shut down the computer before attaching or removing a PS/2-compatible device. If
the device does not work, install the device drivers from the floppy disk or CD that came with the
device, and restart the computer. You can use the integrated keyboard and an external keyboard at the
same time. When you attach a PS/2 keyboard or PS/2 numeric keypad, the integrated keypad is
disabled.
S/P DIF connector — Connects an audio (S/P DIF) cable.
USB 2.0 connectors — Connect up to three USB 2.0 compliant devices, such as a USB mouse. A
fourth USB connector can be found on the left side of the expansion station.
parallel connector — Connects a parallel device such as a printer.
Docking Controls and Lights
1
power button
2
undock request button
3
eject button
power button —
Press
to turn a docked computer on or off. The power button light indicates the power status of the APR or a
docked computer as follows:
Off — The APR is either not connected to electrical power or, if a computer is docked, the computer is turned off
or in hibernate mode.
Amber — The APR is connected to an electrical outlet but the computer is not docked.
Green — Indicates the status of a docked computer:
Steady green — The computer is turned on.
Slow-pulsing green (breathing) — The computer is in standby mode.
undock request button —
When green, you can press the button to prepare the computer for physical undocking. The button blinks during the
preparation for undocking and turns off when ready to undock.