Led Display - Siemens SCALANCE X308-2M Operating Instructions Manual

Definition of the fault mask
Using the fault mask, you specify an individual "good status" for the connected ports and the
power supply. Deviations from this status are then displayed as errors/faults.
1. Turn on display mode A or D. Display mode A is active when the "DM" LED is not lit.
2. Hold down the SET/SELECT button for five seconds. After three seconds, the "DM" LED
Enable/disable the redundancy manager
1. Turn on display mode B. Display mode B is active when the "DM" LED is lit green. If a
2. Hold down the SET/SELECT button for five seconds. After three seconds, the "DM" LED
3. The result of the action depends on the initial situation:
7.5

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 working free of error.
LED color
-
green
green
SCALANCE X-300
Operating Instructions, 02/2012, A5E01113043-12
Display mode D is active when the "DM" LED flashes yellow/orange. If a different display
mode is active, you will need to press the SET/SELECT briefly (possibly several times)
until the required display mode is active.
begins to flash. If you release the button before the five seconds have elapsed, the
previous fault mask will be retained.
different display mode is active, you will need to press the SET/SELECT briefly (possibly
several times) until display mode B is active.
begins to flash. If you release the button before the five seconds have elapsed, the action
is aborted.
– If the redundancy manager and media redundancy were disabled, media redundancy
is also enabled after enabling the redundancy manager.
– If you disable the redundancy manager, media redundancy remains enabled.
LED status
off
on
flashes
Configuration, displays and display elements
Meaning
The device is not operating in the role of "redundancy manager".
The device is operating in the role of redundancy manager. The
ring is working without problems, monitoring is activated.
The device is operating in the role of redundancy manager. An
interruption has been detected on the ring and the device has
switched through.
7.5 LED display
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