C–4 MULTILINK ML1200 MANAGED FIELD SWITCH – INSTRUCTION MANUAL
INTERNAL DC DUAL-SOURCE POWER INPUT OPTION CHAPTER C: INTERNAL DC DUAL-SOURCE POWER INPUT OPTION
C.3 Dual-Source Option Theory of Operation
The Dual-Source DC power option is designed using diodes inside of the chassis on each
DC power input line. A diode is placed in each of the four input lines (behind the four
external power connection terminals) so that power from an external source can only flow
into the unit. This allows the unit to operate whenever DC power is correctly applied to
either or both of the two inputs.
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