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LEDs on the DC Power Supplies Used in QFX5120 Switches

 

Figure 1 shows the LED on the DC power supply for QFX5120-32C switches. Figure 2 shows the LEDs on the DC power supply for QFX5120-48T, QFX5120-48Y, and QFX5120-48YM switches.

Figure 1: LED on the DC Power Supply for QFX5120-32C Switches
LED on the
DC Power Supply for QFX5120-32C Switches
  1
LED
 

Table 1 describes the LED on the DC power supply for QFX5120-32C switches.

Table 1: LED on the DC Power Supply for QFX5120-32C Switches

Color

State

Description

Green

On steadily

The power supply is sending out power correctly.

Blinking

The power supply is in standby mode and is receiving power at +5 V.

Alternating red/green

Blinking

Power supply warning. Check the logs for related messages.

Red

On steadily

An error is 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.

Blinking

The internal fan in the power supply has failed. 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.

Unlit

Unlit

The power supply is disconnected from power, or the power supply is not receiving power.

Figure 2: LEDs on the DC Power Supply for QFX5120-48T, QFX5120-48Y, and QFX5120-48YM Switches
LEDs
on the DC Power Supply for QFX5120-48T, QFX5120-48Y, and QFX5120-48YM
Switches
  1
In LED (labeled IN)
  3
Fault LED (labeled !)
  2
Out LED (labeled OUT)
 
Caution

The V+ terminals are shunted internally together, as are the V- terminals. You can wire the same polarity terminal 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 2 describes the LEDs on the DC power supplies for QFX5120-48T, QFX5120-48Y, and QFX5120-48YM switches.

Table 2: LEDs on the DC Power Supplies for QFX5120-48T, QFX5120-48Y, and QFX5120-48YM Switches

LED Label

Color

State

Description

IN

Green

On steadily

The power supply is receiving power.

Unlit

Unlit

The power supply is disconnected from power, or the power supply is not receiving power.

OUT

Green

On steadily

The power supply is sending out power correctly.

Unlit

Unlit

The power supply is disconnected from power, or the power supply is not sending out power correctly.

! (Fault)

Amber

On steadily

An error is 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.