Juniper PTX5000 Hardware Manual page 119

Table 31: 60-A DC PDU LEDs
LED
DC IN—One per input
SW ON—One per input
power tray
(Continued)
Color State Description
Red On steadily PDU has failed.
– Off PDU might be starting up or not receiving any input
voltage.
Green On steadily Input is receiving voltage.
– Off Input voltage is not present, or is under –40 V.
Green On steadily The input power switch is powered on.
– Off The LED might be off for one of the following reasons:
•
•
The input is not receiving any voltage.
The input power switches might be off or the host
subsystem detected a failure and turned off the input
power switch.
The input power switch is on but at least one input is
under –40 V.
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