3Com PSE2500-A3 user manual Precautions

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User Manual

 

PSE2500-A3 External PoE

 

Power System

Chapter 3 Safety

3.3 Precautions

When working on this type of equipment, the following precautions must be noted:

zThis unit must be installed, serviced, and operated only by skilled and qualified personnel who have the necessary knowledge and practical experience with electrical equipment and who understand the hazards that can arise when working on this equipment.

zThe PSE2500-A3 system can be powered by multiple AC inputs. Ensure that the appropriate circuit protection device for each AC input being serviced is disconnected before servicing the equipment.

zHigh leakage currents may be possible on this type of equipment. Make sure the equipment is properly earth grounded before connecting power.

zHazardous energy and voltages are present in the device and on the interface cables that can shock or cause serious injury. Follow all safety warnings and practices when servicing this equipment.

zExercise care when servicing this area.

In addition to proper job training and safety procedures, the following are some basic precautions that should always be used:

zUse only properly insulated tools.

zRemove all metallic objects (key chains, glasses, rings, watches, or jewelry, and so on).

zWear safety glasses.

zTest circuits before touching.

3-3

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Contents PSE2500-A3 External PoE Power System Technical Support Chapter Contents About This ManualConvention Description Boldface Convention DescriptionEnvironmental Protection Table of Contents Engineering Maintenance and Troubleshooting Introduction Architecture and ConfigurationsDescription Standard Configuration Description Standard Configuration Features 2PSE2500-A3 configuration3PSE2500-A3 configuration System Description OverviewFault Green Red ConditionController 2Front panel of the rectifierMonitoring the system operation status II. Communicate with deamon systemsRS232 Pin Definition RS485 Pin DefinitionPin Definition AC Distribution UnitDC Distribution Unit Safety Safety StatementsPSE2500-A3 External PoE Power System Safety Precautions PSE2500-A3 External PoE Power System Safety Installation and Debugging IntroductionSafety Physical Mounting Installing Rectifiers 1Physical installation2Installing rectifiers Frame GroundingLoad Connections 3Frame groundingInitial Start-up Connecting to AC utility/ AC groundingPowering on the Device PSE2500-A3 External PoE LED Indication Engineering Maintenance TroubleshootingMaintenance and Troubleshooting Controller Rectifier Possible Alarm Display Problems Status Possible solutionDiscipline Standards Regulatory compliance standardsController Rectifier Possible