System Leds - Allied Telesis CentreCOM GS970M Series Quick Installation Manual

Solid green
Flashing green
Off

System LEDs

The System LEDs are described here.
SD LED
Solid green
Flashing green
Flashing amber
Off
Fault
Flashing red
once
Flashing red six
times
Off
18
The port has established a 1Gbps link to a
network device.
The port is transmitting or receiving packets at
1Gbps.
Possible causes of this state are listed here:
- The SFP transceiver port is empty.
- The SFP transceiver has not established a
link with another network device.
- The LEDs are turned off. To turn on the
LEDs, use the eco-friendly button.
The switch has detected an SD card in the SD
slot.
The switch is writing to or reading from the SD
card.
The switch encountered an error with the SD
card.
The SD slot is empty or the LEDs are off.
The switch's fan is failing or has stopped.
The switch is overheating and might shut
down.
The switch is operating normally.
CentreCOM GS970M Series Quick Installation Guide