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AC Power Supply LEDs in EX4300 Switches

Figure 1 shows the location of the LEDs on an AC power supply for EX4300 switches except EX4300-48MP and EX4300-48MP-S switches.

Figure 1: LEDs on AC Power Supply for EX4300 SwitchesLEDs on AC Power Supply for EX4300 Switches
  1
—

IN OK LED

  2
—

OUT OK LED

Table 1 describes the AC power supply LEDs.

Table 1: AC Power Supply LEDs in EX4300 Switches

LED

Color

Description

IN OK

Unlit

Indicates one of the following:

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

  • No AC power input.

Green

Power supply is receiving proper input power and is functioning normally.

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 delivering power and is functioning correctly.

Red

The power supply has failed and must be replaced.
Note:

If the IN OK LED and the OUT 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 IN OK LED is lit green and the OUT OK LED is unlit or lit red, the AC power supply is installed properly, but the power supply has an internal failure.