SFP port LED
Each 1000Base-X SFP port has a status LED to show port operating status and activities. The port mode
LED indicates the type of information (for example, port rate or duplex mode) that the port LEDs are
showing. You can use the port LED mode switching button to change the type of port information that is
displayed.
Table 25 SFP port LEDs description
Port mode LED (Mode) status
Steady green (rate mode) or
flashing green (1 Hz, PoE
mode)
Steady yellow (duplex mode)
Interface card status LED
Table 26 Interface card status LED description
LED mark
MOD1
MOD2
LEDs (for the A5120 SI switches)
Table 27 LEDs at a glance
LED
Power LED
RPS status LED
Port mode LED
10/100/1000 Base-T Ethernet port LED
1000Base-X SFP port LED
Port LED status
Steady green
Flashing yellow (3 Hz)
Off
Steady green
Flashing yellow (3 Hz)
Off
Status
Description
Green
The interface card is in position and operating properly.
The switch does not support the interface card model, or the
Flashing yellow
interface card has failed.
Off
The expansion interface card slot is empty.
Description
The port is operating at 1000 Mbps.
The port LED fast flashes when the
port is sending or receiving data.
POST has failed on the port.
No link is present on the port.
The port is operating in full duplex
mode. The port LED fast flashes
when the port is sending or receiving
data.
POST has failed on the port.
No link is present on the port.
Availability
Entire series
A5120-24G-PoE+ SI
A5120-24G-PPoE+ SI, A5120-24G-PoE+ SI
Entire series
Entire series
76