Juniper MX2020 Quick Start Manual page 57

Copyright © 2015, Juniper Networks, Inc.
Table 9: MX2020 AC Power Supply Module LEDs
Label Color
Green
PWR OK
Yellow
–
Red
FAULT
–
Green
INP0
Yellow
–
Green
INP1
Yellow
–
Repeat Steps 1 through
9.
Figure 39: MX2020 AC Power Supply Module Front View
NOTE: Each PSM slot not occupied by an AC PSM must be covered by a
PSM blank panel.
State Description
On Power is functioning normally with no alarms.
On PSM controller is functioning normally.
Off PSM is not functioning normally or the AC input
voltage is out of range.
On PSM is not functioning normally or the AC input
voltage is out of range.
Off PSM is functioning normally.
On AC input is within the required voltage range and
the DIP switch is set to on.
On AC input is out of the required voltage range.
Off AC input to the PSM is not present.
On AC input is within the required voltage range and
the DIP switch is set to on.
On AC input is out of the required voltage range.
Off AC input to the PSM is not present.
8 for installing PSMs in slots
Connect AC Power Supply Modules
, , and , where required.
0 1 2
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