Dell OptiPlex 745 User Manual download pdf (Page 12)

12 Quick Reference Guide

3 network adapter

connector

To attach your computer to a network or broadband device, connect one end of a

network cable to either a network jack or your network or broadband device.

Connect the other end of the network cable to the network adapter connector on

the back panel of your computer. A click indicates that the network cable has been

securely attached.

NOTE: Do not plug a telephone cable into the network connector.

On computers with a network connector card, use the connector on the card.

It is recommended that you use Category 5 wiring and connectors for your

network. If you must use Category 3 wiring, force the network speed to 10 Mbps to

ensure reliable operation.

4 network activity light Flashes a yellow light when the computer is transmitting or receiving network

data. A high volume of network traffic may make this light appear to be in a steady

"on" state.

5 line-out connector Use the green line-out connector to attach most speakers with integrated

amplifiers.

6 line-in/microphone

connector

Use the blue and pink line-in/microphone connector to attach a record/playback

device such as a cassette player, CD player, or VCR.; or a personal computer

microphone for voice or musical input into a sound or telephony program.

7 USB 2.0 connectors (6) Use the back USB connectors for devices that typically remain connected, such as

printers and keyboards.

8 video connector Plug the cable from your VGA-compatible monitor into the blue connector.

NOTE: If you purchased an optional graphics card, this connector will be covered by

a cap. Connect your monitor to the connector on the graphics card. Do not remove

the cap.

NOTE: If you are using a graphics card that supports dual monitors, use the y-cable

that came with your computer.

9 serial connector Connect a serial device, such as a handheld device, to the serial port. The default

designations are COM1 for serial connector 1 and COM2 for serial connector 2.

For more information, see your online User’s Guide.

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Dell OptiPlex 745 User Manual Page 12