Hitachi compute blade 500 series Getting Started Manual page 9

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.
High temperature at the 10GBASE-R transceiver
The 10GBASE-R transceiver in the 10Gbps LAN switch module gets hot
during operation. To remove the transceiver, therefore, turn off the power
supply for the 10Gbps LAN switch module from the management module,
and then wait for at least 5 minutes. 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 30 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 board.
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
Hitachi Compute Blade 500 Series Getting Started Guide
Preface
ix