Juniper MX960 Hardware Manual page 530

MX960 3D Universal Edge Router Hardware Guide
500
To restart a high-capacity DC power supply after a shut down due to an
over-temperature situation:
Switch off the circuit breaker(s) on the DC distribution panel to remove power to
1.
the chassis and power supplies.
Switch on the circuit breaker(s) on the distribution panel to power up the chassis
2.
and power supplies.
NOTE: The power switch on the power supplies is not part of the outer
or inner DC circuits and therefore does not need to be switched off when
restarting the chassis.
NOTE: If output power is not load-balancing correctly in the same zone on
an MX960 with a high-capacity AC or DC power supply module, connect two
feeds and change the DIP switch to
module.
1 to boost the voltage on the power supply
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