Dell Dimension 8250 Series Manual page 55

1 power connector
2 voltage selection switch (may not be
available on all computers)
3 parallel connector
4 mouse connector
5 network adapter
6 line-in connector
7 video connector
8 line-out connector
9 microphone connector
10 USB 2.0 connectors (6)
11 keyboard connector
12 diagnostic lights (4)
13 serial connector
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The connection for the power cable.
Set the switch for the voltage that most closely matches the AC power available in your location. See the safety
instructions in your Owner's Manual for additional information.
Connect a parallel device, such as a printer, to the parallel connector. If you have a USB printer, plug it into a USB
connector.
Plug a standard mouse into the green mouse connector. Turn off the computer and any attached devices before
you connect a mouse to the computer. If you have a USB mouse, plug it into a USB connector.
Attach the UTP cable to an RJ45 jack wall plate or to an RJ45 port on a UTP concentrator or hub and press the
other end of the UTP cable into the network adapter connector until the cable snaps securely into place.
Dell recommends the use of Category 5 wiring and connectors for our customers' networks.
Use the blue line-in connector (available on computers with integrated sound) to attach a record/playback device
such as a cassette player, CD player, or VCR.
On computers with a sound card, the line-in connector is on the card.
Plug the cable from your monitor into the blue connector.
Use the green line-out connector (available on computers with integrated sound) to attach headphones and most
speakers with integrated amplifiers.
On computers with a sound card, the line-out connector is on the card.
Use the pink microphone connector (available on computers with integrated sound) to attach a personal
computer microphone for voice or musical input into a sound or telephony program.
On computers with a sound card, the microphone connector is on the card.
Connect a USB device such as a mouse, keyboard, printer, joystick, or speaker system into any of the USB
connectors.
If you have a standard keyboard, plug it into the purple keyboard connector. If you have a USB keyboard, plug it
into a USB connector.
Use the lights to help you troubleshoot a computer problem based on the diagnostic code. For more information,
see "Diagnostic Lights."
Connect a serial device, such as a handheld device, to the serial port.