Figure 154: Installing A Dc Power Supply In The Router - Juniper MX240 Hardware Manual

MX240 3D Universal Edge Router Hardware Guide
342
Replace the clear plastic cover over the terminal studs on the faceplate.
9.
Verify that the power cabling is correct, that the cables are not touching or blocking
10.
access to router components, and that they do not drape where people could trip on
them.
Verify that the INPUT OK
11.
On each of the DC power supplies, switch the DC circuit breaker to the center position
12.
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.
NOTE: If more than one power supply is being installed, turn on all power
supplies at the same time.
NOTE: An SCB must be present for the

Figure 154: Installing a DC Power Supply in the Router

LED on the power supply is lit green.
— ) position.
PWR OK , BRKR ON
PWR OK
) position if you
O
, and INPUT OK LEDs light
LED to go on.
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