3Com 8800 manual Safety Statements, Safety Symbols

Page 13

3

SAFETY

Safety Statements

Please read and follow all safety instructions and warnings before servicing the PoE

 

Power Rack. Refer to the individual module product manuals for additional safety

 

statements specific to the modules.

 

The device must be in a restricted access area (dedicated equipment rooms,

 

equipment closets, etc.) where the applicable requirements of the device are met.

 

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 and irritant gases 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, conforming 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 body injury or equipment damages.

 

External circuit breakers must be sized as required by the applicable local codes.

 

Refer to the equipment ratings to assure the equipment rating will not exceed

 

80% of the value of the breaker chosen.

 

 

Warning Statements

The symbols may sometimes be accompanied by some types of statement, for

and Safety Symbols

example, "Hazardous voltage/energy inside" or "Risk of injury". "This device must

 

be accessed only by qualified personnel."

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:

This unit must be installed, serviced, and operated only by skilled and qualified personnel who have the necessary knowledge and practical experience with

Image 13
Contents 3Com Switch Power Over Ethernet United States Government Legend 3Com Corporation Campus Drive Marlborough, MA USAContents Contents Introduction PoE Power Rack Rear View Architecture and Configurations Introduction PoE Power Rack Power SupplySystem Description OverviewVisual indicators Power Supply ModuleSystem Controller Descriptions, colors, and functions are shown in TablePin Definition RS485 and RS232 signals are described in and TableRefer to Figure Distribution PanelSafety Statements SafetySafety Symbols Safety Introduction Installation and TestingGuidelines EMI ConsiderationsNumber Model Ports Type Disconnect Detection Module Technical SpecificationsRemoving Power Supply Module and Dummy Faceplate Frame Grounding Powering on the Device Installation and Testing Maintenance ENGINEERING, Maintenance TroubleshootingTroubleshooting LED IndicationENGINEERING, Maintenance and Troubleshooting