Back view, Back panel connectors – Dell OptiPlex 330 (Late 2007) User Manual
Page 72
Back View
Back Panel Connectors
1 card slots
Access connectors for any installed PCI and PCI Express cards.
2 back panel
connectors
Plug USB, audio, and other devices into the appropriate connector (see
for more information).
3 power
connector
Insert the power cable.
4 voltage
selector
switch
For selecting voltage rating.
5 padlock rings Padlock rings are for attaching a commercially available antitheft device.
The padlock rings allow you to secure the computer cover to the chassis
with a padlock to prevent unauthorized access to the inside of the
computer. To use the padlock rings, insert a commercially available padlock
through the rings, and then lock the padlock.
6 cover
release latch
Use this latch to open the computer cover.
CAUTION:
Ensure that none of the system air vents are blocked. Blocking them would cause serious thermal problems.
1 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.
NOTE:
The integrated parallel connector is automatically disabled if
the computer detects an installed card containing a parallel connector
configured to the same address. For more information, see
System
Setup Options
.
2 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
Yellow — A good connection exists between a 1-Gbps (1000-
Mbps) network and the computer.
l
Off — The computer is not detecting a physical connection to
the network.
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 adapter card, use the connector on the
card.