Item
Indicator, Button, or Connector
Icon
Description
6
USB 2.0 port (2)
Use the USB 2.0 port to connect USB devices to the system.
7
Display ports (2)
Use the Display ports to connect other external display
devices to the system.
8
HDMI port
Use the HDMI (High-Definition Multimedia Interface)
connector to transfer video data and compressed or
uncompressed digital audio data to a compatible computer
monitor or video projector.
9
USB 3.0 port (4)
Use the USB 3.0 port to connect USB devices to the system.
10
Line-out connector
Use the Line-out connector to connect the input of an audio
device to the system.
11
Line-in or microphone connector
Use the Line-in or Microphone connector to connect other
input audio devices to the system.
12
Expansion card slots (4)
Use the Expansion card slots to connect up to three full-
height PCIe expansion cards and one full-height PCI
expansion card.
13
Serial port
Use the Serial connector to connect a serial device to the
system.
14
Ethernet port (NIC)
One integrated 10/100/1000 Mbps Ethernet port. Use this
port to connect the system to the network.
15
Security-cable slot
Allows you to connect a cable lock to the system.
16
Padlock ring
Allows you to lock the system cover.
Diagnostic Indicators
The diagnostic indicators on the system indicate operation and error status.
Diagnostic indicators on the front panel
NOTE:
No diagnostic indicators are lit when the system is turned off. To start the system, plug it into a working power source
and press the power button.
Table 4. Diagnostic indicators on the front panel
Icon
Description
Condition
Corrective action
Hard-drive indicator
The indicator flashes amber if
there is a hard-drive error.
Check the hard drive. If the
problem persists, see the
Troubleshooting hard drive
section or the Getting help
section.
Power-on indicator
The indicator flashes amber and
white if there is a component
failure.
This is due to component failure
in the system. For more
information, see the Power on
LED indicator codes section. If
12
Dell PowerEdge T30 system overview