Help us improve your experience.

Let us know what you think.

Do you have time for a two-minute survey?

 
 

DC Power Supply LEDs in EX4300 Switches

Figure 1 shows the location of the LEDs on a DC power supply for an EX4300 switch.

Figure 1: DC Power Supply Faceplate on an EX4300 SwitchDC Power Supply Faceplate on an EX4300 Switch
  1

IN OK LED

  2

OUT OK LED

Table 1 describes the LEDs on the DC power supplies.

Table 1: DC Power Supply LEDs on an EX4300 Switch

Name

Color

Description

IN OK

Unlit

Indicates one of the following:

  • Power supply is disconnected from DC power feed.

  • DC power input voltage is not within normal operating range.

  • No DC power input.

Green

The power supply is receiving power.

OUT OK

Unlit

Indicates one of the following:

  • IN OK LED is unlit.

  • The power supply is not delivering power correctly.

Green

The power supply is functioning correctly.

Red

The power supply has failed and must be replaced.