Dell OptiPlex GX620 Quick Reference Manual page 20

diagnostic lights
1
2 computer cover release knob
3 back-panel connectors
4 power connector
5 vents
Ultra-Small Form Factor Computer — Back-Panel Connectors
11
1 parallel connector
2 link integrity light
20
Quick Reference Guide
Use the lights to help you troubleshoot a computer problem based
on the diagnostic code. For more information, see "Diagnostic
Lights" on page 37.
Rotate this knob in a clockwise direction to remove the cover.
See the following subsection, "Ultra-Small Form Factor Computer
— Back-Panel Connectors," for information about the connectors
on the back panel of your computer.
Connect the power cable to this connector.
The vents allow air to flow through your computer. To ensure proper
ventilation, do not block these cooling vents.
1
10 9
Connect a parallel device, such as a printer, to the parallel connector. If you have a USB
printer, plug it into a USB connector.
• Green — A good connection exists between a 10-Mbps network and the computer.
• Orange — A good connection exists between a 100-Mbps network and the computer.
• Yellow — A good connection exists between a 1000-Mbps (1-Gbps) network and the
computer.
• Off — The computer is not detecting a physical connection to the network or the
network controller is turned off in system setup.
2 3 4
8 7
5
6