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4.2.2.5 Redundant Backup Setting
The redundant function is to change the master line to the slave line in case of the linking
fails happen.
The Redundant functions were set fixed, the master slot is slot 1(odd number slot) and
the slave slot is slot 2(even number slot), and there are eight redundant groups in all. The
“Act” will indicate what slot is active.
When the slave slot is active, and we need to transfer again to the master slot, we need
to push on the restart button.
