User guide

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Power on and off
Powering on and off the blade enclosure
Make sure to follow the instructions and notes to use the blade enclosure and other
devices safely. There is a risk of death or serious injury. For more information, see
the descriptions on page 3.
Do not place your hands inside the blade enclosure.
Important
Make sure to follow the instructions to power on and off devices. If you do not
follow the instructions, data may be corrupted or the devices may malfunction.
Powering on and off the blade enclosure without uninterruptible power supply
system (UPS).
This section describes how to power on and off a blade enclosure that is connected to the power
distribution board via a power supply tap.
Depending on the types of modules and units and how they are used on the blade enclosure, a
different procedure may be required. In this case, follow the instructions in the User's Guides of the
modules and units instead.
To power on the blade enclosure, power on the power distribution board to which the power supply
tap is connected.
To power off the blade enclosure:
1. Shut down all the CPU blades and power them off.
2. Power off the power distribution board to which the power supply tap is connected.
WARNING