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Description of the device
4.7 LED display
Meaning in display modes A, B, C and E
In the display modes A, B, C and E, you can determine whether the power supply is
connected by observing LEDs "L1" and "L2" .
LED color
-
Green
Meaning in display mode D
In display mode D, the "L1" and "L2" LEDs indicate whether the power supply is monitored.
LED color
-
Green
4.7.5
"RM" LED
The "RM" LED indicates whether or not the device is a redundancy manager and whether or not
the ring is operating free of error.
LED color
-
Green
Green
4.7.6
"SB" LED
The "SB" LED shows the status of the standby function.
LED color
-
Green
Green
38
L1/L2 LED
L1/L2 connector
LED status
Off
No external power supply connected
On
Power supply connected to L1/L2
L1/L2 LED
L1/L2 connector
LED status
Off
Power supply is not monitored.
The signal contact does not respond if neither L1 nor L2 is connected
to an adequate power supply.
On
Power supply is monitored.
The signal contact responds if neither L1 nor L2 is connected to an
adequate power supply.
LED status
Off
On
Flashing
LED status
Off
On
Flashing
Meaning
The device is not a redundancy manager.
The device is a redundancy manager.
The ring is working without problems, monitoring is activated.
The device is a redundancy manager.
An interruption has been detected on the ring and the device has
switched through.
Meaning
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.
Operating Instructions, 03/2023, C79000-G8976-C586-02
SCALANCE XR-300
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