Qfx5110 Dc Power Supply Leds - Juniper QFX5110 Series Hardware Documentation

Table 79: AC Power Supply LEDs on a QFX5110 Switch
LED Color
AC OK Unlit
Green
DC OK Unlit
Green
Fault Amber
NOTE: If the AC OK LED and the DC OK LED are unlit, either the AC power cord is not installed
properly or the power supply fuse has failed. If the AC OK LED is lit and the DC OK LED is unlit,
the AC power supply is installed properly, but the power supply has an internal failure.

QFX5110 DC Power Supply LEDs

Figure 185 on page 503
State Description
Off The power supply is disconnected from power, or power is not
coming into the power supply.
On steadily Power is coming into the power supply.
Off The power supply is disconnected from power, or the power supply
is not sending out power correctly.
On steadily The power supply is sending out power correctly.
On steadily 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.
shows the location of the LEDs on the DC power supply.
502