Figure 27: JNP10K-PWR-DC Power Supply
NOTE: The JNP10K-PWR-DC power supply requires a dedicated circuit breaker for each input
DC feed. The chosen breaker should be sized to deliver 60 A of input current.
Each power supply connects to the combined power rail in an MX10016 router. The power rail distributes
the output power produced by the power supplies to different router components. Each DC power supply
provides power to all the components in the router.
NOTE: Route all the DC power supply cords away from the fan trays. Make sure that the power
cords do not obstruct the fan trays.
A DC power supply can operate with only one input DC feed connected. The Routing and Control Board
(RCB) enables only the components for which sufficient power is available.
Each DC power supply has its own fan and is cooled by its own internal cooling system. The airflow is from
the front of the power supply to the back. Hot air exhausts from the rear of the chassis.
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