Connectors
The cables are connected to SC sockets.
4.6
LEDs
Power LED 'L' (green LED)
The power LED shows the status of the power supply.
LED color
LED status
Meaning
Green
Lit
Power supply is connected
-
Off
Power supply is not connected or the applied voltage is too low.
Refer also to the section "Possible sources of errors and eliminating errors
(Page 55)"
Port LED 'P' (green LED)
The port LEDs indicate the status of the ports. The port LEDs are located directly on the port.
LED color
LED status
Meaning
Green
Lit
Link exists, no data reception at port
Green
Flashing
Link exists, data reception at port
Green
Flashing / flash on and
off in sequence
Test phase during power on
Description of the device
4.6 LEDs
SCALANCE XB-000
Operating Instructions, 01/2022, A2B00077300-11
35