Juniper EX4100 Hardware Manual page 92

Table 26: DC Power Supply LEDs on an EX4100 Switch
Name Color
IN OK Unlit
Green
Red
Flashing Red
OUT OK Unlit
Green
Red
Flashing red
Description
Indicates one of the following:
•
The power supply is disconnected from the DC power feed.
•
The DC power input voltage is not within the normal operating range.
The power supply is receiving power.
The power supply has failed.
This PSU is not receiving power.
Indicates one of the following:
•
IN OK LED is unlit.
•
The power supply is not delivering power correctly.
The power supply is functioning correctly.
The power supply has failed and must be replaced.
This PSU is not receiving power.
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