SWM281 LEDs

This wiki page contains information about SWM281 switch LEDs and their actions.

Power LED

The power LED is located on the bottom left corner of the back panel, near the power connector:

It can perform two different actions:

Action	Description
LED (GREEN) turned ON	Switch is powered up
LED turned OFF	Switch is not power up

Status LED

The Status LED is located on the front panel, near the Power led:

It can perform two different actions:

Action	Description
Blinks (GREEN)	Status (GREEN) blinks 3 times with interval of ~1 s when PROFINET "DCP Signal Service / Flash LED" feature is used
Blinks (RED)	Status (RED) blinking at ~1 s intervals when CPU temperature is between ≥92 °C and 95 °C
ON (RED)	Status (RED) on when CPU temperature is above 95 °C

Ethernet port

No.	Action	Describtion
1	Orange LED lit	10/100 Mbps link established
2	Orange LED blinking	Active link connection
3	Green LED lit	1000 Mbps link established

SFP port

No.	Action	Describtion
1	Down LED lit	Lower port link established
2	Down LED blinking	Lower port active traffic
3	Up LED lit	Upper port link established
4	Up LED blinking	Upper port active traffic