Replacing The Mx2020 Standard Emi Covers; Removing The Mx2020 Standard Emi Covers - Juniper MX2020 Hardware Manual

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Replacing the MX2020 Standard EMI Covers

Removing the MX2020 Standard EMI Covers

Copyright © 2015, Juniper Networks, Inc.
Turn on the dedicated customer site circuit breaker to the PDM.
8.
Verify that the LED on the PDM is lit steadily.
–48V
9.
On each of the DC power input sources, switch the DC circuit breaker to the center
10.
position before moving it to the
NOTE: The circuit breaker may bounce back to the
move the breaker too quickly.
Observe the status LEDs on the PDM faceplate. If the PDM is correctly installed and
functioning normally, the
Preventing Electrostatic Discharge Damage to an MX2020 Router on page 558
MX2020 DC Power Distribution Module Description on page 94
DC Power Cable Specifications for the MX2020 Router on page 184
MX2020 DC Power Electrical Safety Guidelines on page 585
1. Removing the MX2020 Standard EMI Covers on page 465
Installing the MX2020 Standard EMI Covers on page 466
2.
The MX2020 router supports a standard or extended set of EMI covers that you can order
from Juniper Networks.
To remove the standard electromagnetic interference (EMI) card cage cover (see
Figure 214 on page 466):
NOTE:
Loosen the four captive screws that secure the standard EMI cover to the router.
1.
Pull the cover away from the router toward you to remove it.
2.
ON position.
–48V LEDs light green steadily.
Chapter 25: Replacing Components
position if you
OFF
465