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Status Description
Off No link is present on the port.
Table 33 Ethernet port LEDs description (5120-16G SI/5120-24G SI)
LED Status Description
On The port is operating at 1000 Mbps.
Fast flashing
The port is sending or receiving data at 1000
Mbps.
Green
Off
The port has no link or is not operating at 1000
Mbps.
On The port is operating at 10/100 Mbps.
Fast flashing
The port is sending or receiving data at 10/100
Mbps.
Yellow
Off
The port has no link or is not operating at 10/100
Mbps.
Table 34 Ethernet port LED description (5120-24G-PPoE+ SI/5120-24G-PoE+ SI)
Port mode LED (Mode)
status
Port LED Port LED status Description
On The port is operating at 1000 Mbps.
Fast flashing
The port is sending or receiving data at 1000
Mbps.
Green
Off
The port has no link or is not operating at 1000
Mbps.
On The port is operating at 10/100 Mbps.
Fast flashing
The port is sending or receiving data at
10/100 Mbps.
Steady green (rate
mode)
Yellow
Off No link is present on the port.
On PoE power supply is normal.
Flashing at 3 Hz
The device attached to the port requires power
higher than the maximum or currently
available PoE output power on the port.
Green
Off The port is not supplying power.
On
The device attached to the port is not a
powered device or a PoE failure has occurred.
Flashing green (PoE
mode)
Yellow
Off
The port is supplying power normally or not
supplying power.