Figure 2-1 Opening The System Door - Sun Microsystems Netra 440 Service Manual

Caution – Never move the system when the system power is on. Movement can
cause catastrophic hard drive failure. Always power off the system before moving it.
Caution – Before you power on the system, ensure that the system doors and all
panels are properly installed.
1. Turn on power to any external peripherals and storage devices.
Read the documentation supplied with the device for specific instructions.
2. Establish a connection to the system console.
If you are powering on the system for the first time, connect a device to the serial
management port using one of the methods described in the Netra 440 Server
Installation Guide. Otherwise, use one of the methods for connecting to the system
console, also described in the Netra 440 Server Installation Guide.
3. Connect the AC or DC power cables.
Note – As soon as the power cables are connected to the system, the ALOM boots
and displays its power-on self-test (POST) messages. Though the system power is
still off, the ALOM is up and running, and monitoring the system. Regardless of the
system power state, as long as the power cords are connected and providing standby
power, the ALOM is on and monitoring the system.
4. Press the door release latches and lower the system door.
Opening the System Door
FIGURE 2-1
Door release latches
Chapter 2 Preparing to Service the System 23