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Table 19: AC Power Supply LEDs on QFX5120-48Y Switches
Description
State
Color
LED
The power supply is disconnected from
power, or power is not coming into the
power supply.
Off
Unlit
AC OK
Power is coming into the power supply.
On steadily
Green
The power supply is disconnected from
power, or power is not coming into the
power supply.
Off
Unlit
DC OK
The power supply is sending out power
correctly.
On steadily
Green
An error has been detected in the power
supply. Replace the power supply as soon
as possible. To maintain proper airflow
through the chassis, leave the power
supply installed in the chassis until you are
ready to replace it.
On steadily
Amber
Fault
NOTE:
If the AC OK LED and the DC OK LED are not lit green, either the AC power cord is not
installed properly or the power input voltage is not within normal operating range.
If the AC OK LED is lit green and the DC OK LED is unlit or lit red, the AC power supply is installed
properly, but the power supply has an internal failure.
DC Power Supply in QFX5120 Switches
IN THIS SECTION
Characteristics of a DC Power Supply | 58
57
Summary of Contents for QFX5120 Series
Page 1: ...QFX5120 Switch Hardware Guide Published 2019 10 15 ...
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Page 138: ...5 CHAPTER Troubleshooting Hardware Troubleshooting QFX5120 Components 145 ...
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Page 163: ...Restricted Access Warning 169 ...
Page 178: ...Jewelry Removal Warning 184 ...
Page 181: ...Operating Temperature Warning 187 ...
Page 190: ...DC Power Disconnection Warning 196 ...
Page 194: ...DC Power Wiring Sequence Warning 200 ...