Juniper MX2020 Hardware Manual page 427

5. Turn on the power switch to the on (|) position.
6. Verify that the PWR OK LED is lit steadily green.
Figure 199: Installing a DC Power Supply Module
SEE ALSO
MX2020DC Power Supply Module (-48 V) Description | 112
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MX2020DC Power Supply Module (-48 V) Description | 112
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