Description
3.4 LED display
SCALANCE X-300M PoE
Compact Operating Instructions, 05/2016, A5E02630810-09
17
The "SB" LED for the standby function
This LED shows the status of the standby function.
LED color
LED status
Meaning
-
off
The standby function is disabled.
green
on
The standby function is enabled. The standby section is passive.
green
flashes
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:
LED color
LED status
Meaning during the device startup
-
off
Device startup completed successfully.
red
on
Device startup not yet completed or a fault/error has occurred.
red
flashes
Bad firmware image.
During normal operation, the "F" LED provides the following information:
LED color
LED status
Meaning during operation
-
off
No operating problems.
red
on
The device has detected an error. The signaling contact opens.
The "DM" LED for the display mode
The "DM" LED (Display Mode) indicates which of the four display modes A, B, C or D is
currently active. The meaning of the L1, L2 and P1, P2, ... LEDs depends on the display
mode.
LED color
LED status
Meaning
-
off
Display mode A
green
on
Display mode B
orange
on
Display mode C
yellow/orange
flashes
Display mode D
Selecting the display mode
Press the SELECT/SET button to set the required display mode. If the SELECT/SET button
is not pressed for longer than a minute, the device automatically changes to display mode A.
Pressing the SELECT/SET button
starting at display mode A
Status of the "DM" LED
Display mode
-
off
Display mode A (default mode)
Press once
lit green
Display mode B
