(green)

• On – Normal operation

• Blink – There is write activity in the corresponding FMod.

• Off – System power is off.

  Note: If an FMod is not present then the LED will remain ON.

(green)

• Off – The system is not running in its normal state. System power might be off, the ESM could be faulty, the host slot could be powered off, or the card could be faulty.

• Steady on – The ESM is adequately charged and capable of providing enough emergency power to retain data integrity in the event of a power interruption. No service action is required.

• Fast blink – The ESM is charging (approximately five minutes). No service action is required. The card is functioning is write-through (non-caching) mode at this time.

(amber)

• On – The ESM is not retaining enough reserve power to support write-back mode, or the ESM is not reaching the proper charge level in the alloted time. The card is functioning in write-through (non-caching) mode. Service is required. The ESM or the card might be faulty.

• Off – Normal operation

• On – The system is powered on and power rails on the board are up.

• Off – Host slot power is off, the system is off, or the card is faulty.