Dell Dimension E521 - Manual (Page 3)

Back View of the Computer
Back Panel Connectors
NOTICE: Ensure that there is a minimum of two inches of space
between all vents and any object near these vents.
NOTICE: Keep the vent area clean and dust-free to ensure that the
computer is adequately ventilated. Use only a dry cloth to clean the
vent area to avoid water damage to the computer.
1 voltage selection
switch
See the safety instructions in the Product Information Guide for more
information.
2 power connector Insert the power cable.
3 back panel
connectors
Plug USB, audio, and other devices into the appropriate connector.
See
Back Panel Connectors for more information.
4 card slots Access connectors for any installed PCI and PCI Express cards.
1 link integrity light l Green — A good connection exists between a 10-Mbps
network and the computer.
l Orange — A good connection exists between a 100-Mbps
network and the computer.
l Off — The computer is not detecting a physical connection to
the network.
2 network adapter
connector To attach your computer to a network or broadband device, connect
one end of a network cable to either a network port 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