77
Power LED
The power LED shows the operation status of the switch.
Table 28 Power LED description
The switch is operating properly.
The system is performing power-on self test (POST) or
downloading software.
POST has failed or another fatal error has been detected.
The switch has been powered off.
RPS status LED
The A5120-24G-PoE+ SI switch has one RPS status LED on its front panel to show the operating status of
the RPS DC input.
Table 29 RPS status LED description
The RPS DC input is normal.
The RPS unit is not connected or the RPS DC input is abnormal.
Port mode LED
The A5120-24G-PPoE+ SI and A5120-24G-PoE+ SI switches have a port mode LED to indicate the type of
information that the network port LEDs (excluding the SFP port LEDs) are showing. You can use the port
LED mode switching button to change the type of port information that is displayed.
Table 30 Port mode LED description
The network port LEDs are showing port rates.
The network port LEDs are showing the status of PoE power
supply on the ports.
10/100/1000 Base-T Ethernet port LED
The A5120-48G SI switch has one bi-color LED (see Table 31) for each 10/100/1000Base-T Ethernet
port. All other A5120 SI switches have two LEDs (see Table 32) for each 10/100/1000Base-T Ethernet
port.
The A5120-24G-PPoE+ SI and A5120-24G-PoE+ SI switches also use a port mode LED to indicate the type
of information that the port LEDs are displaying (see Table 33).
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