Motorola PTP 400 Series - page 32

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Figure 5 - PTP 400 Series Bridge PIDU Plus Power Input
3.3.3 Redundancy and Alternate Powering Configurations
3.3.3.1 External DC Supply Only
For use where there is no mains supply.
DC Out
DC In
To Network
Equipment
To ODU
+
+
-
-
DC
Supply
Power Ethernet
Figure 6 - External DC Supply Only