3Com 7750 Series 사용자 설명서 - 페이지 9
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PoE Power Rack Installation Guide
Safety Statements
Please read and follow all safety instructions and warnings before servicing the PoE Power Rack. Reference
the power supply module product manuals for additional safety statements specific to the power supply modules.
The device must be in a restricted access area (dedicated equipment rooms or equipment closets are
examples of these areas).
The equipment must be in a controlled environment (an area where the humidity is maintained at levels
that cannot cause condensation on the equipment, the contaminating dust is controlled, and the
steady-state ambient temperature is within the range specified).
Do not install this equipment at a combustible place.
This equipment has been evaluated for use in a continuous ambient temperature of up to 50°C.
Torque electrical connections to the values specified on labels or in the product documentation。
Refer to the product documentation for the proper hardware. Use only the parts specified in the
equipment documentation
Improper fuses/circuit breakers may cause serious injury or equipment damage.
External circuit breakers must be sized as required by the applicable local codes. Refer to the equipment
ratings to assure rating of equipment no to exceed 80% of the value of the breaker chosen.
Warning Statements and Safety Symbols
The symbols may sometimes be accompanied by some types of statement, for example "Hazardous
voltage/energy inside", "Risk of injury". "This device must be accessed only by qualified personnel."
Note:
These symbols are used to identify the presence of hazardous AC/DC main voltage and also can be used to alarm the level of danger.
Precautions
When working on this type of equipment, the following precautions must be noted:
Chapter 3 Safety
This symbol identifies the need to refer to the
equipment instructions for important information.
This symbol is used to identify the protective
safety ground for the equipment.
3-1
Chapter 3 Safety