Redundant Tracking Systems 61
Loss of network
If network connectivity is lost to one processor but not the other, control will switch to the one which
still has network connectivity.
Loss of DMX
If DMX is lost by one processor but not the other, control will switch to the one still able to receive DMX
(note that the DMX data line is interconnected between both, so this would only occur in the event of
the failure of a DMX transceiver on the processor itself).
Power errors
If one processor experiences power errors but the other does not, control will switch to the one that
does not. Again, note that the same power is connected to both processors so this would only occur
in the event of an internal failure in the processor.
Total processor loss
If communication is completely lost to one processor but not the other, then control will switch to the
processor which is still available.
Display Status
When tracking is active and the A processor is in control, the displays will show as follows:
Rack 1 - CEM3 Rack
System OK
Presets Active
10.101.101.101
DMXA: 1 DMXB: Off
sACN: 2/1
[Info]
CEM3 Control
Backup Ready
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