Led Behavior - HP 2920 Installation And Getting Started Manual

2. Check the LEDs on the switch as described below.
Figure 2-3. Example of an HP 2920 24-port non-PoE switch
Power and
Test LED
Fault LEDs
Figure 2-4. Example of an HP 2920-48-port PoE+ switch
Power and
Fault LEDs
When the switch is powered on, it performs its diagnostic self test and
initialization. This boot process takes approximately 50 seconds to
complete.

LED Behavior:

During the switch boot:
The Power, Fault, Test, and Locator LEDs, other Status LEDs, Mode
•
indicator LEDs, and port LEDs are on for most of the duration of the
test.
• Most of the LEDs go off and may turn on again during phases of the
boot.
When the switch boots successfully, Status LEDs display:
Power and Tmp LEDs (and the PoE LED for PoE+ switches) remain on.
•
• Fault, Test, and Locator LEDs are off.
• Other status LEDs may be on or off depending on the switch
configuration and the hardware installed.
Switch port LEDs
Switch port LEDs
Test LED
Installing the Switch
Installation Procedures
2-7