Indicates state of redundancy control as follows:
Solid Green = The Controller Module is OK, and is ACTIVE.
(The module has determined that its own on-board systems are operating
correctly, and the module is currently active).
Blinking Green = The Controller Module is OK, and is NOT ACTIVE.
(The module has determined that its own on-board systems are operating
correctly, and the module is currently inactive, but ready to take over if the
other, currently active, companion Controller Module fails or is disabled).
Following power-up or restart, there are two situations in the above
mode:
First: Blinking Green/Orange: The first configuration transfer
from the Active to the Inactive module did not complete yet. If
the currently active module fails or is deactivated at this time,
the inactive module will take over, but the chassis configuration
may be incorrect.
Then: Blinking Green/with no other color: Once the first
configuration transfer from the Active to the Inactive module
completes, the indicator color turns to green only. The inactive
module is fully ready.
Solid Orange = The Controller Module is NOT OK, and is ACTIVE.
(The module has detected an on-board fault, however, it continues operating
because of other considerations. For example, when there is no other
Controller present or the other Controller is also faulty)
Red = The Controller Module is NOT OK, and is NOT ACTIVE.
The module has detected an on-board fault and is not functional.
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