C H A P T E R  6

Powering the Server On and Off

This chapter describes how to power your Sun Fire X4140, X4240, or X4440 server on and off.


Preparing the System

Ensure that AC power is connected to the server as described in Chapter 2.



caution icon Caution - A maximum of two power cords can be connected to a single branch circuit. The remaining power cord(s) must be connected to a second branch circuit.




caution icon Caution - If you are connecting your server for the first time, do not power on the system until you are instructed to do so in Chapter 3.




caution icon Caution - Possible equipment damage. Do not operate the server without all fans, component heatsinks, air baffles, and the cover installed. Severe damage to server components can occur if operated without adequate cooling mechanisms.



Applying Standby Power

When you connect AC power to the server, the server automatically enters standby power mode. The service processor starts, but the server remains powered-off.

The Power/OK LED on the front panel flashes.

If you are starting the server for the first time, configure the service processor as described in Chapter 5.


Powering On the Server



caution icon Caution - If you have not yet installed your operating system, do not turn on system power yet.


To install an operating system, before powering on the server, perform one of the following processes:


procedure icon  To Power On the Server

1. Verify that power cords have been connected and that standby power is on.

In standby power mode, the Power/OK LED on the front panel flashes.



Note - When the CMA is installed, it covers the AC power connectors. To access the power connectors, release the CMA arm connector on the left side of the CMA, and swing the CMA out of the way. See FIGURE 2-12.


2. Use a pointed object to press and release the recessed Power button on the server front panel. See FIGURE 6-1.

When main power is applied to the full server, the Power/OK LED next to the Power button lights and remains lit.

Image shows two USB ports on the right side of the front panel of the 1U server

FIGURE 6-1 Front Panel (Sun Fire X4140 Server Shown)



Figure Legend

1

Power Button

2

Power/OK LED


Graphic showing the server front panel with the power button and Power/OK LED shown on the upper-left.


Powering Off the Server

single-step bullet  To power off the server from main power mode, use one of the following two methods:

When main power is off, the Power/OK LED on the front panel will begin flashing, indicating that the server is in standby power mode.



Note - To completely power off the server, you must disconnect the AC power cords from the back panel of the server. When the CMA is installed, it covers the AC power connectors. To access the power connectors, release the CMA arm connector on the left side of the CMA, and swing the CMA out of the way. See FIGURE 2-12.




caution icon Caution - Do not disconnect the AC power cords from the system while it is powered-on.