Dell Dimension 4550 - Manual (Page 79)

Adding Parts 79
1 power connector The connection for the power cable.
2 voltage selection switch
(may not be available on
all computers)
Set the switch for the voltage that most closely matches the AC power available in
your location. See "When Using Your Computer" on page 11 for additional
information.
3 mouse 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.
4 parallel connector Connect a parallel device, such as a printer, to the parallel connector. If you have a
USB printer, plug it into a USB connector.
5 network adapter 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.
6 line-in connector* 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.
7 video connector Plug the cable from your monitor into the blue connector.
8 line-out 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.
9 microphone connector* 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.
10 USB 2.0 connectors (2) Connect a USB device such as a mouse, keyboard, printer, joystick, or speaker
system into any of the USB connectors.
11 diagnostic lights (4) Use the lights to help you troubleshoot a computer problem based on the
diagnostic code. For more information, see page 60.
12 serial connector Connect a serial device, such as a handheld device, to the serial port.
13 USB 2.0 connectors (2) Connect a USB device such as a mouse, keyboard, printer, joystick, or speaker
system into any of the USB connectors.
14 keyboard connector 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.
*On computers with integrated audio.