Hitachi Compute Blade 2500 Getting Started Manual page 11

If anything abnormal occurs, turn off the power and unplug all the
equipment power cables (a maximum of 6) from the electrical outlets.
Do not repair, remodel, or disassemble
Do not attempt to repair, remodel, or disassemble the equipment on your
own, except to perform expansion work in accordance with the
instructions in this manual. Attempting to do so might cause electric
shock, fire, or burns. In particular, the inside of a power supply unit
contains many high-voltage areas. Touching them is dangerous.
Removal of a cover or bracket
Do not remove covers or brackets. Removing them might cause electric
shock, burns, or an equipment failure.
High temperature at the cover of a power supply module
When a power supply module is in operation, the cover and handle get
hot. Be careful when replacing a failed module. Hot parts can cause
burns.
Adding and replacing internal parts of the equipment
The cover and internal parts are hot immediately after the power is
turned off. Wait for about 5 minutes before adding or replacing internal
parts unless otherwise specified in this manual. Hot parts can cause
burns.
Laser beam
A Class 1 laser product is installed on this product. Do not look
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directly at the laser beam. Do not look at the laser beam by using an
optical instrument.
Under the laser module cover, a laser beam is being emitted. Do not
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remove the cover of an unused module.
Handling the product
Install the product on a fixed rack. Do not lean against the product or
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stand on it. Do not install the product in a place with weak floors or
walls.
Do not subject the product to excessive vibration. Dropping the
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product or allowing it to fall over might cause an equipment failure.
Installing the unit in a rack
To install the system unit in, or remove it from, a rack cabinet, always
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get help from at least one other person and use tools to avoid strain.
If the system unit has to be installed in 31U or higher in the rack
cabinet or the system unit has already been installed there, call for
Hitachi Compute Blade 2500 Series Getting Started Guide
Preface
xi