Figure 34: DC Power Supply Faceplate on a QFX5120-48Y Switch
3—1— Fault LEDInput LED
2—Output LED
CAUTION: The V+ terminals are shunted internally together, as are the V- terminals.
The same polarity terminal can be wired together from the same source to provide an
additional current path in a higher power chassis. Do not connect the terminals to different
sources.
Table 23 on page 61 describes the LEDs on the DC power supplies.
Table 23: DC Power Supply LEDs on a QFX5120-48Y Switch
DescriptionStateColorName
The power supply is disconnected from
power, or power is not coming into the power
supply.
OffUnlitIn
Power is coming into the power supply.On steadilyGreen
The power supply is disconnected from
power, or the power supply is not sending out
power correctly.
OffUnlitOut
The power supply is sending out power
correctly.
On steadilyGreen
61
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