Juniper MX2020 Hardware Manual page 330

MX2020 3D Universal Edge Router Hardware Guide
304
NOTE: After powering on a PSM, wait at least 60 seconds before turning it
back off.
To install an AC PSM (see
With one PSM installed and operational, install an additional PSM with the power
1.
supply switch in the off (
WARNING: If there is only one PSM installed and operational, the power
supply switch must be placed in the off (
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
2.
the strap to one of the ESD points on the chassis.
While grasping the handle on the PSM faceplate with one hand, use your other hand
3.
to guide the power supply module into the chassis.
Tighten the captive screws on the PSM faceplate.
4.
Turn on the power switch to the on (
5.
Verify that the
PWR OK
6.
Figure 141 on page 305):
), or in the on ( ) position.
O |
) position.
|
LED is lit steadily green.
) position.
O
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