Digi Connect 48 SB and Digi Connect 4/8 SB with switch

LED/button	Color and Light Pattern	Description
Ethernet Uplink LED	Solid green	Ethernet Uplink connection is up but no traffic is on the line.
	Blinking green	Traffic is on the Ethernet Uplink connection.
	Off	Ethernet Uplink connection is disconnected.
Ethernet Switch LEDs	Solid green	Ethernet Switch connection is up but there is no activity on the line.
	Blinking green	Ethernet activity is on the Ethernet Switch connection
	Off	Ethernet Switch connection is not in use.
Serial LED	Solid green	Serial connection is up but no traffic is on the line.
	Blinking green	Serial connection is up and traffic is on the serial port.
	Off	Serial connection is not in use
Find Me/Locator LED	Blinking amber	Use the LED as an aid in finding a specific device among a group of devices. You can turn LED on or off from the Digi device’s command line and web interfaces. From the command line, issue the findme blink={on\|off} command. From the web interface, go to Administration > Activate Find Me LED. Once the LED is enabled, the menu item changes to Stop Find Me LED which you can use to turn off the LED.
Find Me/Locator LED	Off	Find Me LED is deactivated.
Power	Green	Power is on.
Power	Off	Power is off.