Juniper MX2020 Hardware Manual page 429

5. Pull the PSM straight out of the chassis.
WARNING:
the PSM.
6. Place the PSM module into an antistatic bag.
NOTE: Each PSM slot not occupied by a DC PSM must be covered by a PSM blank panel.
Figure 200: Removing an MX2000 Router DC Power Supply Module (240 V China)
SEE ALSO
To avoid damage, do not touch the power connectors in back of
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