3Com PSE2500-A3 Engineering Maintenance Troubleshooting, Maintenance and Troubleshooting

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User Manual	Chapter 5 Engineering
PSE2500-A3 External PoE	Maintenance and
Power System	Troubleshooting

Chapter 5 Engineering Maintenance

and Troubleshooting

5.1 Maintenance and Troubleshooting

This section provides field maintenance and troubleshooting information and procedures for the power system. Before performing the maintenance procedures, review the safety information in Section 3.

Warning:

All procedures described in this section must be performed by qualified maintenance personnel only.

The power devices are repaired by replacement. Contact Hangzhou Huawei-3Com Technology Co., Ltd. for more details.

5.2 LED Indication

Use the following table to determine if there is any problem with PSE2500-A3 power system with a controller.

When visual indicators do not identify a defective part, notify Hangzhou Huawei-3Com Technology Co., Ltd.

5-1

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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 Architecture and Configurations Description Standard ConfigurationIntroduction 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 DefinitionAC Distribution Unit DC Distribution UnitPin Definition 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 groundingConnecting to AC utility/ AC grounding Powering on the DeviceInitial Start-up PSE2500-A3 External PoE Engineering Maintenance Troubleshooting Maintenance and TroubleshootingLED Indication Controller Rectifier Possible Alarm Display Problems Status Possible solutionRegulatory compliance standards Controller Rectifier PossibleDiscipline Standards