3.3.4 Device view of a SCALANCE XB124
The following figure shows an overview of the components of the SCALANCE XB124.
① Electrical ports with port LEDs
② Power LEDs
③ Redundant power supply with connector for grounding
3.4 LED display
Port LEDs "P"
The port LEDs indicate the status of the ports.
RJ-45 ports
Each RJ-45 port has 2 integrated LEDs.
The green LED shows the status of the link.
LED color LED status Meaning
Green Lit link exists
- Off No link exists
The yellow LED shows the status of data reception.
LED color LED status Meaning
Yellow Flashing Receiving data at port
- Off Not receiving data at port
Description of the device
3.4 LED display
SCALANCE XB-100
Operating Instructions, 02/2019, C79000-G8976-C473-03 15
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