Basic Operation; Gaining Access To The Controls; Turning On The Power; Removable Cover On The Controller Module - IBM F10 Service Manual

Basic Operation

The controller module has several features that aid in operating and servicing the
hardware. These include:
v LEDs (light emitting diodes) – green or amber lights that glow or blink to indicate
v Power switches – two switches that turn the controller module's power off and
v Handles and levers – allow you to remove and install individual FRUs more
v Connectors – sockets for attaching interface and power cables to the controller
This section explains how to use these controls to turn the controller module on and
off under normal and emergency circumstances. It also explains how to check the
controller module's hardware status.

Gaining Access to the Controls

To gain access to the controller module's FRUs, cables, LEDs, and switches, you
must remove the front cover. Figure 30 shows you how to remove the cover.
Figure 30. Removable Cover on the Controller Module

Turning On the Power

Note: If you are turning on the controller module after an emergency shutdown or
Instructions
Use this procedure to power-up to the controller module. For instructions on
powering-up the drive modules, refer to "Chapter 9. Operating the Drive Module" on
page 153.
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IBM 2102 Model F10 and Model D00 Service Guide
either a normal operating status or hardware error
on
easily
module
power outage, use the procedure "Restoring Power" on page 74.