Lenovo 8332 manual Rear panel, Power supply unit

3On/off switch	7Reset button (recessed)
4ID LED activation switch
Table 1. Functions of front operator's panel LEDs and switches
LED	Push-button switch	USB Port
Power Active (Green)	Power On/Off	Intended for service use only.
Unit Fault (Amber)	Reset Button	Intended for service use only.
Enclosure ID (Blue)	Enclosure ID LED Activation	Intended for service use only.

For a full description of LED and switch functions, see “Front operator's panel

LEDs and switches” on page 20.

Rear panel

A rear panel, consisting of a blue enclosure ID LED (see Figure 2 on page 3), is located on the rear of the enclosure.

Note: The rear panel is an integral part of the enclosure assembly and is not field replaceable.

Table 2. Rear Panel ID LED Status

Enclosure ID LED

Blue (when activated)

Activated by push button on the Front Operator's Panel, or by system software.

Used to identify a server from among several servers.

Power supply unit

AC-DC power is provided by a power supply with specific load capability, mechanical packaging, and output connectors to suit this product.

A power supply mounting cage is installed in the rear of the enclosure as part of the subsystem core product. The cage houses one individually hot pluggable

850-W AC power supply unit (PSU) with its own IEC inlet connector and failure indicator.

8User Guide