To define the fault mask, follow the steps below:
1. Switch to display mode D.
Display mode D is active if the "DM1" and "DM2" LEDs are lit green..
If another display mode is active, you will need to press the "SET/SELECT" button
repeatedly until the "DM1" and "DM2" LEDs are lit green.
2. Hold down the "SELECT/SET" button for 5 seconds.
After 2 seconds,the "DM1" and "DM2" LEDs start to flash for 3 seconds. At the same time,
the port LEDs go on one after the other.
After you have held down the button for 5 seconds, the current settings are stored as the
"good status".
If you release the button before the 5 seconds have elapsed, the previous fault mask will
be retained.
Enabling/disabling the redundancy manager
To enable/disable the redundancy manager, follow the steps below:
1. Switch to display mode B.
Display mode B is active if the "DM1" LED is lit green and the "DM2" LED is off..
If another display mode is active, you will need to press the "SET/SELECT" button
repeatedly until the "DM1" LED is lit green and the "DM2" LED is off.
2. Hold down the "SELECT/SET" button for 5 seconds.
After 2 seconds,the "DM1", "DM2" and "RM" LEDs start to flash for 3 seconds. At the same
time, the port LEDs go on one after the other.
If you release the button before the 5 seconds have elapsed, the action is canceled.
The result of the action depends on the initial situation:
– Initial situation:
The redundancy manager and media redundancy are disabled.
Result:
After enabling the redundancy manager, media redundancy is also enabled.
– Initial situation:
The redundancy manager and media redundancy are enabled.
Result:
After disabling the redundancy manager, media redundancy remains enabled.
Description of the device
3.3 SELECT / SET button
SCALANCE XC-200
Operating Instructions, 12/2017, C79000-G8976-C442-03 29
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