Dell Precision 390 Quick Reference Guide - Page 26

User's Guide, Quick Reference Guide, Do not plug a telephone cable into the network connector.

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4 network adapter connector 5 network activity light 6 line-in connector 7 line-out connector 8 USB 2.0 connectors (2) 9 USB 2.0 connectors (3) 10 serial connector 11 keyboard 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 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 an additional network connector card, use the connectors on the card and on the back of the computer when setting up multiple network connections (such as a separate intra- and extranet). 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. 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. Use the blue line-in connector to attach a record/playback device such as a cassette player, CD player, or VCR. On computers with a sound card, use the connector on the card. Use the green line-out connector to attach headphones and most speakers with integrated amplifiers. On computers with a sound card, use the connector on the card. Use the back USB connectors for devices that typically remain connected, such as printers and keyboards. It is recommended that you use the front USB connectors for devices that you connect occasionally, such as flash memory keys or cameras., or for bootable USB devices. Use the back USB connectors for devices that typically remain connected, such as printers and keyboards. It is recommended that you use the front USB connectors for devices that you connect occasionally, such as flash memory keys or cameras, or for bootable USB devices. 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 the optional serial connector 2. For more information, see "System Setup Options" in the User's Guide. 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. 26 Quick Reference Guide

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26
Quick Reference Guide
4
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 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 an additional network connector card, use the connectors
on the card and on the back of the computer when setting up multiple network
connections (such as a separate intra- and extranet).
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.
5
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.
6
line-in connector
Use the blue line-in connector to attach a record/playback device such as a cassette
player, CD player, or VCR.
On computers with a sound card, use the connector on the card.
7
line-out connector
Use the green line-out connector to attach headphones and most speakers
with integrated amplifiers.
On computers with a sound card, use the connector on the card.
8
USB 2.0 connectors (2)
Use the back USB connectors for devices that typically remain connected,
such as printers and keyboards.
It is recommended that you use the front USB connectors for devices that you
connect occasionally, such as flash memory keys or cameras., or for bootable USB
devices.
9
USB 2.0 connectors (3)
Use the back USB connectors for devices that typically remain connected,
such as printers and keyboards.
It is recommended that you use the front USB connectors for devices that you
connect occasionally, such as flash memory keys or cameras, or for bootable USB
devices.
10
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 the optional serial
connector 2.
For more information, see "System Setup Options" in the
User’s Guide
.
11
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.