Trango Systems, Inc. GigaPlus User Manual Rev 3.1 31
Link Protection through 1+1 Hot Standby
Two GigaPlus ODUs can be mounted using a combiner directly on a single antenna , and
with an optional short jumper cable between the two IDUs, provide 1+1 hot standby
functionality to protect against a hardware failure of one GigaPlus IDU, ODU or IF cable .
The hot-standby feature is available on all frequencies and can support layer 2 and layer
3 routed networks to allow immediate routing of the signal to the standby link. The
failover time is typically less than 200 milliseconds.
1+1 is available using equal and unequal power division combiners with the same
polarization for both ODUs.
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