Netgear RN32263E – ReadyNAS 3220 2U 12-Bay 6x3TB Enterprise Drives Hardware Manual

You can obtain information about the status of your system by reviewing the rear panel indicators that are
listed in the following table.

A single LED status indicator is built into the rear panel to the left of the power supplies.
The LED indicates the status of the internal power distribution board as follows:

Solid green. AC power is supplied to the power supplies (or the standby power is
on) and the power supplies provide DC power output.

Solid amber. A power supply failed or the power distribution board failed.

Off. AC power is not supplied to the power supplies.

Power System LED

Three LED indicators are built into each power supply. The AC LED on the top is green
and indicates the AC power input status. The DC LED in the middle is also green and
indicates the DC power output status. The Failure LED (!) at the bottom is amber and
provides a warning or indicates a failure. These LEDs indicate the status as follows:

AC LED solid green. AC power is supplied to the power supply, the standby power
is on, or AC power is supplied to the power supply in an N+1 redundancy
configuration.

AC and DC LEDs solid green. AC power is supplied to the power supply and the
power supply provides DC power output.

AC LED blinking green. AC power is not supplied to the power supply in an N+1
redundancy configuration.

AC LED off. AC power is not supplied to the power supply.

Failure LED blinking amber. A problem occurred with the power supply but the
power supply did not fail.

Failure LED solid amber. The power supply failed.

Power Supply LEDs

The Unit Identifier (UID) LED indicates these states:

Solid blue. The system is identified.

Off. The system is not identified.

UID LED