Juniper EX8208 Hardware Manual page 64

Table 25: Power Supply LEDs on EX8200 Switches
LED
INPUT OK
OUTPUT OK
FAIL
State
Unlit
Green
Yellow
NOTE: This LED state
applies only to 2000 W
AC power supplies.
Unlit
Green
Yellow
Unlit
Yellow
Description
Indicates one of the following:
Power supply is disconnected from AC power
feed.
AC power input voltage is not within normal
operating range.
No AC power input.
AC power input is high-voltage line
(200–240 VAC).
AC power input is low-voltage line
(100–120 VAC).
Indicates one of the following:
DC output voltage is not within normal operating
range.
Power supply is not supplying DC power
correctly.
DC power output is within normal operating
range.
Power supply has been disabled internally by
the system.
Power supply is functioning normally.
On steadily—Power supply has failed.
Blinking—Demand for output power exceeds
the supply.
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