3Com PSE2500-A3 user manual AC Distribution Unit, DC Distribution Unit, Pin Definition

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User Manual

 

PSE2500-A3 External PoE

 

Power System

Chapter 2 System Description

 

 

 

 

Pin

Definition

 

4

Ground

 

 

 

 

5

Not used

 

 

 

 

6

Receive, -

 

 

 

 

7

Ground

 

 

 

 

8

Not used

 

 

 

2.3 AC Distribution Unit

There are three AC input sockets on the rear panel of the device rating at 20 A, 250VAC. Each socket supplies one rectifier module. There are three switches beside each socket which is rated at 20 A 250VAC. They control the on/off of each supply.

2.4 DC Distribution Unit

Copper bus bars and two 10 mm2 cables provide 54 VDC output of the device. You can connect the output of this device to user equipments by using them.

Figure 2-4Distribution panel

2-6

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Contents PSE2500-A3 External PoE Power System Technical Support About This Manual Chapter ContentsConvention Description Convention Description BoldfaceEnvironmental Protection Table of Contents Engineering Maintenance and Troubleshooting Introduction Architecture and ConfigurationsDescription Standard Configuration Description Standard Configuration 2PSE2500-A3 configuration Features3PSE2500-A3 configuration Overview System DescriptionCondition Fault Green Red2Front panel of the rectifier ControllerII. Communicate with deamon systems Monitoring the system operation statusRS485 Pin Definition RS232 Pin DefinitionPin Definition AC Distribution UnitDC Distribution Unit Safety Statements SafetyPSE2500-A3 External PoE Power System Safety Precautions PSE2500-A3 External PoE Power System Safety Introduction Installation and DebuggingSafety Physical Mounting 1Physical installation Installing RectifiersFrame Grounding 2Installing rectifiers3Frame grounding Load ConnectionsInitial Start-up Connecting to AC utility/ AC groundingPowering on the Device PSE2500-A3 External PoE LED Indication Engineering Maintenance TroubleshootingMaintenance and Troubleshooting Possible solution Controller Rectifier Possible Alarm Display Problems StatusDiscipline Standards Regulatory compliance standardsController Rectifier Possible