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Optical ILA Power Supply LEDs

Each optical ILA power supply has two LEDs on the power supply faceplate. Figure 1 shows the location of the LEDs on an optical ILA AC power supply. Figure 2 shows the location of the LEDs on an optical ILA DC power supply.

Figure 1: AC Power Supply LEDsAC Power Supply LEDs
  1

DC OK

  2

AC OK

Figure 2: DC Power Supply LEDsDC Power Supply LEDs
  1

DC OUT OK

  2

DC IN OK

Use Table 1 and Table 2 to interpret the state of the power supply LEDs.

Table 1: Optical ILA AC Power Supply LED

Name

Color

State

Description

DC OK (left side of FRU panel)

Unlit

Off

There is no power to any of the power supplies.

Green

Blinking (1 Hz)

The power supply is present and only on standby mode.

On steadily

The power supply output is on and operating correctly.

Red

On steadily

There is a power supply failure.

Blinking (0.5 Hz)

No AC power to this power supply only.

AC OK (right side of FRU panel)

Unlit

Off

There is no power to any of the power supplies.

Green

On steadily

The power supply is present and only on standby mode.

On steadily

The power supply output is on and operating correctly.

Red

On steadily

There is a power supply failure.

Blinking (0.5 Hz)

No AC power to this power supply only.

Table 2: Optical ILA DC Power Supply LED

Name

Color

State

Description

DC OUT OK (left side of FRU panel)

Unlit

Off

There is no power to the power supplies.

Green

On steadily

The power supply DC output is on and operating correctly.

Blinking ((1 Hz))

The power supply is present and on standby mode.

Red

On steadily

There is a power supply failure.

Blinking (0.5 Hz)

There is no DC power to this power supply only.

DC IN OK (right side of the FRU panel)

Unlit

Off

There is no power to the power supplies.

Green

On steadily

The power supply is present and on standby mode.

On steadily

The power supply DC output is on and operating correctly.

Red

On steadily

There is a power supply failure.

Blinking (0.5 Hz)

There is no DC power to this power supply only.