3Com 8800 Installation Manual
Power over ethernet
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Summary of Contents for 3Com 8800
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Page 1: Power Over Ethernet
® 3Com Switch 8800 Power Over Ethernet Installation Guide www.3Com.com Part Number: 10015270 Rev. AA Published: July 2006... - Page 2 LICENSE.TXT or !LICENSE.TXT. If you are unable to locate a copy, please contact 3Com and a copy will be provided to you.
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Page 3: Table Of Contents
ONTENTS NTRODUCTION Switch 8800 PoE Power Rack Features Architecture and Configurations YSTEM ESCRIPTION Overview Power Supply Modules PoE Power Rack Power Supply Module Visual indicators System Controller Distribution Panel AFETY Safety Statements Warning Statements and Safety Symbols Precautions NSTALLATION AND TESTING... - Page 4 ONTENTS...
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Page 5: Introduction
NTRODUCTION Switch 8800 PoE The 3Com Switch 8800 PoE power rack is a modular, stand-alone Power over Power Rack Ethernet (PoE) power source. The PoE Power Rack provides a total of 4500 Watts of DC power with 2+1 power redundancy for PoE powered devices connected to the Switch 8800 chassis. - Page 6 1: I HAPTER NTRODUCTION Figure 1 The PoE Power Rack Figure 2 The PoE Power Rack (Rear View) Refer to Figure 3 for the front view of a fully equipped PoE power rack. It consists of: ■ ■ ■ The three AC input sockets correspond to the three power supply modules (numbered from left to right).
- Page 7 Architecture and Configurations Figure 3 The PoE Power Rack Configured with Three Power Supply Modules (Front VIew)
- Page 8 1: I HAPTER NTRODUCTION...
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Page 9: System Description
Modules The PoE Power Supply Module is interchangeable between the Switch Rack and the Switch 8800 PoE Power Rack. NO other components are interchangeable. PoE Power Rack Up to three power supply modules can be mounted in each PoE Power Rack. Each power supply module in the PoE Power Rack receives AC power from the AC distribution panel. -
Page 10: Power Supply Module Visual Indicators
2: S HAPTER YSTEM ESCRIPTION Power Supply Module The front panel of the power supply module has three LEDs (Figure 5). Their Visual indicators descriptions, colors, and functions are shown in Table 2. Figure 5 Table 2 LED State Description Condition All OK Thermal alarm... - Page 11 Switch 8800 chassis through RS232 or RS485 cable connection. A cable is provided with the PoE Power Rack for attachment to the Switch 8800 (connect the RS232 connector end to the PoE Power Rack and connect the RJ45 cable end to the port labeled "Com"...
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Page 12: Distribution Panel
OT25-8 terminals to provide 54VDC output of the device. Use the two cables to connect the power rack and the Switch 8800 chassis. The output socket on the left is marked “-” (negative). The output socket on the right is marked “+” (positive). -
Page 13: 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. ■ ■ ■ ■ ■ ■ ■ ■ Warning Statements and Safety Symbols These symbols are used to identify the presence of hazardous AC/DC main voltage... - Page 14 Insure that the PoE Power Rack AC power cords are unplugged from the PoE Power Rack before connecting the DC output cables to the PoE Power Rack and the Switch 8800. Exercise care when servicing this area.
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Page 15: Installation And Testing
The following installation sequence is recommended: 1 Mount chassis 2 Install power supply modules 3 Ground frame 4 Connect to Switch 8800 Chassis 5 Connect to loads 6 Connect to AC utility/AC grounding 7 Initialize the system Only qualified personnel can install and service the PoE Power Rack. -
Page 16: Install The Poe Dimm Module
4: I HAPTER NSTALLATION AND TESTING Install the PoE DIMM If you are installing the optional PoE DIMM module, use the following instructions. Module Technical Specifications The technical specifications of PoE DIMM (Dual In-line Memory Module) are listed in Table 5. Table 5 Technical specifications of PoE DIMM module Model PD67024MUAC... - Page 17 3 The following items are included in the unit packaging: PoE Power Rack, power supply module, dummy faceplates and cables. Remove all this material and place aside. Mounting screws are NOT supplied with the PoE Power Rack. Mounting screws may be obtained from the equipment rack/cabinet supplier.
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Page 18: Install Power Supply Modules
4: I HAPTER NSTALLATION AND TESTING Install Power Supply Power Supply Modules are installed by sliding into the power rack, pushing until the Modules power supply module is fully inserted, and closing the handle on the power supply module. Refer to Figure 10. 1 Verify that the AC power switches on the AC distribution panel are in the "OFF"... -
Page 19: Connecting To Ac Utility/Ac Grounding
Power Rack controller. 10 For systems with more than one power supply module installed, turn the second AC input switch off to verify that the FAULT LED lights on the controller. Clear the alarms by turning on the AC input switch. - Page 20 4: I HAPTER NSTALLATION AND TESTING...
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Page 21: Engineering
Maintenance and This section provides field maintenance information and troubleshooting procedures Troubleshooting for the PoE Power Rack and power supply modules. Review the safety information in section 3 of this manual before performing maintenance procedures All procedures described in this section must be performed by qualified maintenance personnel only. - Page 22 HAPTER NGINEERING AINTENANCE AND Table 6 Troubleshooting Guide Controller alarm status ALM or None ROUBLESHOOTING Power supply module display Possible problems Controller failure Possible solution Replace the controller...