Stopping The -48 V Dc Rack; Stopping The -48 V Dc Rack Under Ordinary Conditions - IBM R30 Operator's Manual

Stopping the -48 V dc Rack

The following methods can be used to stop (switch off power to) the rack:
Under ordinary conditions. Power is switched off to the CPU enclosure and to other
drawers if they are connected using the power control cables.
Immediately. All power is switched off to the drawers in the rack.
shutdown program power-off. Power is switched off to the CPU enclosure.
Only the first two methods are described in this book. Refer to the AIX System Management
Guide: Operating System and Devices and other operating system documentation for
information about stopping the rack and the shutdown program power-off method. This
method can be used for any key mode position.

Stopping the -48 V dc Rack under Ordinary Conditions

Attention: Use the appropriate shutdown command before you stop the rack; failure to do
so may result in the loss of data. Refer to AIX System Management Guide: Operating
System and Devices and other operating system documentation for information about the
shutdown command and stopping the rack.
1. Set the key mode switch to the Service position.
2. Set the Power button to off (button in the out position).
3. Set the power switches of the attached devices to Off.
Operator Panel
Power Button
Normal
Secure
Service
Key Mode Switch
7-3
Using the -48 V dc Rack