Configuration, displays and display elements
7.5 LED display
SCALANCE X-300
Operating Instructions, 05/2016, A5E01113043-20
151
LED display
The "RM" LED for the "redundancy manager" function
The "RM" LED indicates whether or not the device is operating in the role of redundancy
manager and whether or not the ring is operating error-free.
The device is not operating in the role of "redundancy manager".
green on The device is operating in the role of redundancy manager. The
ring is working without problems, monitoring is activated.
green flashes The device is operating in the role of redundancy manager. An
interruption has been detected on the ring and the device has
The "SB" LED for the standby function
This LED shows the status of the standby function.
The standby function is disabled.
The standby function is enabled. The standby section is passive.
The standby function is enabled. The standby section is active.
The "F" LED for the fault status
The "F" LED (fault) provides information on the error/fault status of the device. While the
device is starting up, this LED has the following meaning:
Meaning during the device startup
Device startup completed successfully.
Device startup not yet completed or a fault/error has occurred.
During normal operation, the "F" LED provides the following information:
The device has detected an error. The signaling contact opens.
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