Juniper MX240 Hardware Manual page 242

MX240 3D Universal Edge Router Hardware Guide
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218
Verify that the
9. INPUT OK
On each of the DC power supplies, switch the DC circuit breaker to the center position
10.
before moving it to the on (
NOTE: The circuit breaker may bounce back to the off (
move the breaker too quickly.
Observe the status LEDs on the power supply faceplate. If the power supply is correctly
installed and functioning normally, the
green steadily.
Preventing Electrostatic Discharge Damage to an MX240 Router on page 226
DC Power Cable Specifications for the MX240 Router on page 279
DC Power Disconnection Warning for M Series, MX Series, and T Series Routers
DC Power Wiring Sequence Warning for M Series, MX Series, and T Series Routers
MX240 DC Power Electrical Safety Guidelines on page 248
LED on the power supply is lit steadily.
— ) position.
,
PWR OK BRKR ON
) position if you
O
, and LEDs light
INPUT OK
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