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LEDs and Alarms

DPS Expansion Module has LEDs and alarms to inform you of system status.

LEDs

DPS Expansion Module has several LEDs that inform you of the current status of DPS

Expansion Module and its modules. LEDs flashing green or flashing amber indicate that non-

critical conditions exist. Steady amber LEDs indicate there is a critical fault present within

the module.

Power supply module LEDs

The Power Supply LED states are detailed in the table below. Under normal conditions the

Power On LED should be illuminated steady green. If a problem is detected in the module, a

Fault LED will be illuminated steady amber.

Power On LED

(Green)

Module Fault LED

(Amber)

Status

OFF OFF No power source is being supplied to either

power supply.

OFF ON No power source is being supplied to this

power supply.

The power cord is attached with power

source but the power supply switch is in the

OFF position.

Power Supply Fault (over temperature

warning, over voltage warning, over current

warning, or a power supply fan fail).

ON OFF Power source is present, power supply is on

and operating normally.

ON ON Fan fault in the power supply.

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Tandberg Data DPS Expansion Module Disk Pack Specifiche Pagina 59