3Com 8800 Switch User Manual
Contents
1. Use only properly insulated tools Remove all metallic objects key chains glasses rings watches or jewelry Wear safety glasses Test circuits before touching Lock out and tag any circuit breakers fuses when possible to prevent accidental turn on Be aware of potential hazards before servicing equipment Identify exposed hazardous electrical potentials on connectors or wirings Note the condition of these circuits especially any wiring Be careful when removing or replacing any covers avoid contacting any circuits INSTALLATION AND TESTING Introduction This section outlines the sequence for installing the PoE Power Rack including plug in modules Test procedures for verifying the integrity of the installation are also included Guidelines The device must be installed to allow sufficient front and rear access All cables must be routed through insulated conduit openings All service operations can be completed on the front of the power rack EMI Considerations When running the DC output cables ensure that the positive and negative cables are routed so as no loops are created Safety AN WARNING m Only qualified personnel can install and service the PoE Power Rack m Hazardous energy is present in the device and on the interface cables which can cause electric shock serious injury or death if safety precautions are ignored Follow all safety warnings and practices when servicing this e2. O 3Com Switch 8800 Power Over Ethernet Installation Guide www 3Com com Part Number 10015270 Rev AA Published July 2006 3Com Corporation 350 Campus Drive Marlborough MA USA 01752 3064 Copyright O 2006 3Com Corporation All rights reserved No part of this documentation may be reproduced in any form or by any means or used to make any derivative work such as translation transformation or adaptation without written permission from 3Com Corporation 3Com Corporation reserves the right to revise this documentation and to make changes in content from time to time without obligation on the part of 3Com Corporation to provide notification of such revision or change 3Com Corporation provides this documentation without warranty term or condition of any kind either implied or expressed including but not limited to the implied warranties terms or conditions of merchantability satisfactory quality and fitness for a particular purpose 3Com may make improvements or changes in the product s and or the program s described in this documentation at any time If there is any software on removable media described in this documentation it is furnished under a license agreement included with the product as a separate document in the hard copy documentation or on the removable media in a directory file named LICENSE TXT or LICENSE TXT If you are unable to locate a copy please contact 3Com and a copy will be provided
3. 3 and Table 4 Table 3 RS485 Pin Definitions Pin Definition B U MN gt Transmit Transmit Receive Ground Not used Receive Ground Not used Table 4 RS232 Pin Definitions Pin Definition B WU N Not used Receive Transmit Not used Ground 9 Not used 12 CHAPTER 2 SYSTEM DESCRIPTION Distribution Panel The distribution panel consists of DC output sockets and three AC input sockets Refer to Figure 7 Figure 7 Distribution Panel The three EN60320 C20 AC input sockets on the front panel of the device are rated at 20AQ250VAC Each socket supplies power to one power supply module There is an AC power ON OFF switch beside each AC input socket for individual power Switching The DC distribution panel has Copper bus bars and two 4 AWG 570mm cables with 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 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 m The device must be in a restricted access area dedicated equipment rooms equipment closets etc where the applicable requirements of the devic
4. JE oC jo e RUN O e062 F O O O O r o boy TODO i LITITILYNT oe o o necator EE 5 CE T t g ja ol zur ij dip I gat aw CHAPTER 1 INTRODUCTION SYSTEM DESCRIPTION Overview Figure 4 shows the schematic diagram of the PoE Power Rack power system showing the interconnections and signal flow through the power supply modules and internal components Figure 4 Schematic Diagram of the PoE Power Rack Power Supply DC power is supplied to the power bus by the power supply modules Modules The PoE Power Supply Module is interchangeable between the Switch Rack and the gt 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 10 CHAPTER 2 SYSTEM DESCRIPTION Power Supply Module Visual indicators Figure 5 Power Supply Module Front Panel ooo amarasi THr mme 7 Table 2 LED State Description Condition AC OK green DC OK green All OK Lighted Lighted Thermal alarm Lighted Of Ambient Thermal alarm fan fail Lighted Of Blown AC fuse in unit Lighted Of Low or no AC gt 15mS_ Off Of single unit AC not
5. present in Off Of power supply module Over Voltage Latched Lighted Of shutdown Any internal failure Lighted Of The front panel of the power supply module has three LEDs Figure 5 Their descriptions colors and functions are shown in Table 2 Fault Red Off Off Lighted Lighted Off Off Lighted Lighted System Controller Figure 6 Figure 6 Front Panel of the Controller The PoE Power Rack has a system controller at the front of the chassis Refer to To indicate operational and alarm status a green LED RUN and red LED ALM are located on the front panel of the PoE system controller When the system has an alarm such as input failure input over voltage or under voltage output over voltage or under voltage power supply failure or power supply self protection the red ALM LED will light Once the alarm status is cleared the LED goes off The system controller of the PoE Power Rack has two major functions System Controller 11 Monitor system operation status An AC sensor card inside the PoE Power Rack samples the AC input voltage The sampled signal is sent to the controller for processing If the AC input voltage is lower than the pre set alarm level the controller reports an AC input under voltage alarm Likewise if the input voltage is higher than the pre set alarm level the controller reports an AC input over voltage alarm The DC output voltage is also sampled and sent to the controller I
6. supply supply module module and the controller RUNALM AC OK Power supply module has 1 Initialize the no output and it is in power supply standby mode module or reset s the controller a Ambient temperature is Check if the load is over the teo high rating Power supply module 3 Check the failure ambient temperature 4 Replace the power supply module 22 CHAPTER 5 ENGINEERING MAINTENANCE AND TROUBLESHOOTING Table 6 Troubleshooting Guide Power supply Controller alarm module status display Possible problems Possible solution ALM or None Controller failure Replace the controller
7. to you UNITED STATES GOVERNMENT LEGEND If you are a United States government agency then this documentation and the software described herein are provided to you subject to the following All technical data and computer software are commercial in nature and developed solely at private expense Software is delivered as Commercial Computer Software as defined in DFARS 252 227 7014 June 1995 or as a commercial item as defined in FAR 2 101 a and as such is provided with only such rights as are provided in 3Com s standard commercial license for the Software Technical data is provided with limited rights only as provided in DFAR 252 227 7015 Nov 1995 or FAR 52 227 14 June 1987 whichever is applicable You agree not to remove or deface any portion of any legend provided on any licensed program or documentation contained in or delivered to you in conjunction with this User Guide Unless otherwise indicated 3Com registered trademarks are registered in the United States and may or may not be registered in other countries 3Com and the 3Com logo are registered trademarks of 3Com Corporation Cisco is a registered trademark of Cisco Systems Inc Funk RADIUS is a registered trademark of Funk Software Inc Aegis is a registered trademark of Aegis Group PLC Intel and Pentium are registered trademarks of Intel Corporation Microsoft MS DOS Windows and Windows NT are registered trademarks of Microsoft Corporation Novell and NetWare are
8. 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 20 CHAPTER 4 INSTALLATION AND TESTING 00 06 ENGINEERING MAINTENANCE AND TROUBLESHOOTING Maintenance and Troubleshooting AN This section provides field maintenance information and troubleshooting procedures 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 The power supply modules are not field serviceable and must be replaced in the event of a failure LED Indication Use Table 6 to determine if there is a fault with PoE Power Rack When visual indicators do not identify a defective part notify your authorized service representative Table 6 Troubleshooting Guide Power supply Controller alarm module status display Possible problems Possible solution RUNALM NONE a The AC power input 1 Verify that AC circuit breakers has power input opened circuit breaker is Closed close g circuit breaker if p it is open 2 Verify the AC power is present and in normal range RUNALM AC OKFAULT Power supply module Replace the power failure supply module Output beyond normal range RUNALM AC OKDC Communication error Replace the power OKFAULT between the power
9. AC input switches are in the OFF position Plug the AC input power cord s into the AC socket s that correspond to the power supply module slot location s For example the C20 coupler labeled Input1 corresponds to the power supply module in the furthest left power supply module slot when viewing the PoE Power Rack from the front Figure 12 DC and AC Connections DC Output DC Output AC Input Switch AC Input Socket Negative Positive Verify that all AC branch circuit breakers and PoE Power Rack AC power switches are in the OFF position Ensure that all power supply modules are seated and locked into position in the PoE Power Rack 2 Turn the AC branch circuit breakers to the ON position 3 Turn the PoE Power Rack AC power switches to the ON position corresponding to the power supply modules installed Verify that the AC OK DC OK and green LEDs are on 5 Verify the fan is operating on each power supply module 6 Wait approximately 10 30 seconds to allow the switch system to go through its start up procedure 7 Verify that the green LED on the controller panel is on 8 Use a digital voltmeter to verify that the DC output voltage is approximately 54VDC 10 For systems with more than one power supply module installed turn one of the AC power input switches to OFF to verify that the red alarm LED lights on the PoE Power Rack controller For systems with more than one power supply module installed
10. Figure 2 for the rear view of the PoE power rack CHAPTER 1 INTRODUCTION 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 m System controller with 2 LEDs and 3 connectors m Distribution panel with DC output sockets and three AC input sockets Power supply modules 3 modules are shown in Figure 3 The three AC input sockets correspond to the three power supply modules numbered from left to right Architecture and Configurations 7 Figure 3 The PoE Power Rack Configured with Three Power Supply Modules Front Vlew Ol et acom
11. ain voltage 1 and also be used to alarm the level of danger Precautions When working on this type of equipment the following precautions must be noted m This unit must be installed serviced and operated only by skilled and qualified personnel who have the necessary knowledge and practical experience with 14 CHAPTER 3 SAFETY electrical equipment and who understand the hazards that can arise when working on this equipment The PoE Power Rack can be powered by multiple AC inputs ensure that the appropriate circuit protection device for each AC input being serviced is disconnected before changing or servicing a Power Supply Module If servicing the PoE Power Rack all the AC power cords must be removed from the equipment High leakage currents may be possible on this type of equipment Make sure the equipment is properly grounded before connecting AC input power Use only properly grounded AC power cords Hazardous energy and voltages are present in the device and on the DC output cables that can shock or cause serious injury Follow all safety warnings and practices when servicing this equipment 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 In addition to proper job training and safety procedures the following are some basic precautions that should always be used
12. d 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 It is your option to remove power supply module and dummy faceplates or before installation Removing them makes the next step easier Refer to Figure 8 Install the chassis into the 19 inch equipment rack or cabinet using at least four screws See Figure 9 At least four screws must be used to ensure the PoE Power Rack is securely mounted in the equipment rack or cabinet Failure to use four screws may cause damage to the PoE Power Rack When using an electric screwdriver the correct torque setting recommended is 6 2 to 6 5 Newton meters Do not over tighten the mounting screws Figure 8 Removing Power Supply Module and Dummy Faceplate First put screwdriver accessory into rectangle hole and give slight strength upward to open the handle QE S Then hold the handle to slide out from chassis Figure 9 Physical installation 9 9 18 CHAPTER 4 INSTALLATION AND TESTING Install Power Supply Modules Ground PoE Power Rack Power Supply Modules are installed by sliding into the power rack pushing until the 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 switch
13. e are met m 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 m This equipment has been evaluated for use in a continuous ambient temperature of up to 50 C m Torque electrical connections conforming to the values specified on labels or in the product documentation m Referto the product documentation for the proper hardware Use only the parts specified in the equipment documentation m Improper fuses circuit breakers may cause body injury or equipment damages m 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 8096 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 This symbol identifies the need to refer to the equipment instructions for important information This symbol is used to identify the protective safety earth ground for the equipment gt These symbols are used to identify the presence of hazardous AC DC m
14. es on the AC distribution panel are in the OFF position 2 Insert the power supply module into the PoE Power Rack and slide it toward the backplane until it contacts the backplane connectors 3 Close the handle on the front of the power supply module and verify that the module is firmly seated Figure 10 Install Power Supply Modules The PoE Power Rack must be electrically grounded before making any further electrical connections Refer to the installation instructions for grounding the PoE Power Rack 1 It is recommended that the supplied green yellow 16 mm 2 cable with a M6 single hole terminal lug is securely connected to the PE grounding terminal on the rear panel of the chassis as shown in Figure 11 2 Terminate the other end of the conductor to a grounding plate or other acceptable ground point Follow local rules and codes regarding grounding requirements Figure 11 Frame Grounding Frame grounding Connecting to AC utility AC grounding Initial Start up Powering on the Device 1 Installation Sequence 19 AC power input is accessed from the front of the unit AC power cord connection is made using power cords with IEC 60320 C 19 connector plugs The AC power plugs are labeled Input 1 Input 2 and Input 3 which correspond to the power supply modules numbered from left to right Refer to Figure 12 To connect AC power Turn the AC branch circuit breakers to the OFF position Ensure that the
15. f the output voltage is lower than the pre set alarm level the controller will report a DC Low alarm Likewise if the DC output voltage is higher than the pre set alarm the controller reports a DC output High alarm The power supply module status communicates with the controller via an internal RS485 bus If the power supply modules issues an alarm the alarm is passed to the controller Power supply module failure alarms include AC input failure DC output failure fan failure high output voltage current limit over temperature and module shut down Communicate with deamon systems The controller supports interface to the 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 next to the PoE DC terminal block on the back of the Switch 8800 Using CLI commands the user can receive and read system information or command the operation of the PoE Power Rack The RS485 1 and RS485 2 have the same function The customer can choose only one port for communication The RS485 RS232 can not work at same time so do not connect them both at the same time There is one RS485 port and one RS232 interface on the rear panel of the PoE Power Rack the cable provided with the PoE Power Rack is a RS232 cable type The RS485 and RS232 signals are described in Table
16. from sustainable managed forests it is fully biodegradable and recyclable and is completely chlorine free The varnish is environmentally friendly and the inks are vegetable based with a low heavy metal content CONTENTS CONTENTS 3 INTRODUCTION Switch 8800 PoE Power Rack 5 Features 5 Architecture and Configurations 5 SYSTEM DESCRIPTION Overview 9 Power Supply Modules 9 PoE Power Rack 9 Power Supply Module Visual indicators 10 System Controller 10 Distribution Panel 12 SAFETY Safety Statements 13 Warning Statements and Safety Symbols 13 Precautions 13 INSTALLATION AND TESTING Introduction 15 Guidelines 15 EMI Considerations 15 Safety 15 Installation Sequence 15 Install the POE DIMM Module 16 Technical Specifications 16 Install the POE DIMM Module 16 Mount Chassis 16 Install Power Supply Modules 18 Ground PoE Power Rack 18 Connecting to AC utility AC grounding 19 Initial Start up 19 Powering on the Device 19 ENGINEERING MAINTENANCE AND TROUBLESHOOTING Maintenance and Troubleshooting 21 LED Indication 21 CONTENTS e e 6 0 INTRODUCTION 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 Features The PoE Power Rack has the following feat
17. quipment Installation Sequence Uu PWN Review all safety warnings in Section 3 before beginning the installation process Observe all warnings and labels on the equipment The PoE Power Rack consists of a chassis which includes AC and DC distribution modules one system controller one power supply module and one power supply module bracket Refer to Figure 2 and Figure 3 for relationship of components Note that the PoE Power Rack is shipped mostly pre assembled so as to minimize the overall installation process The following installation sequence is recommended Mount chassis Install power supply modules Ground frame Connect to Switch 8800 Chassis Connect to loads Connect to AC utility AC grounding Initialize the system 16 CHAPTER 4 INSTALLATION AND TESTING Install the PoE DIMM Module Mount Chassis If you are installing the optional PoE DIMM module use the following instructions 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 Number of Model ports Type Disconnect Detection PD67024MUAC 24 Master AC Powered devices compliant with IEEE 802 3af or the legacy standard PD67024S 24 Slave AC DC According to Master Install the PoE DIMM Module Wear an ESD protective wrist strap when installing the PoE DIMM modules Insert the Master and Slave DIMM modules in the right socke
18. registered trademarks of Novell Inc UNIX is a registered trademark in the United States and other countries licensed exclusively through X Open Company Ltd IEEE and 802 are registered trademarks of the Institute of Electrical and Electronics Engineers Inc All other company and product names may be trademarks of the respective companies with which they are associated ENVIRONMENTAL STATEMENT It is the policy of 3Com Corporation to be environmentally friendly in all operations To uphold our policy we are committed to Establishing environmental performance standards that comply with national legislation and regulations Conserving energy materials and natural resources in all operations Reducing the waste generated by all operations Ensuring that all waste conforms to recognized environmental standards Maximizing the recyclable and reusable content of all products Ensuring that all products can be recycled reused and disposed of safely Ensuring that all products are labelled according to recognized environmental standards Improving our environmental record on a continual basis End of Life Statement 3Com processes allow for the recovery reclamation and safe disposal of all end of life electronic components Regulated Materials Statement 3Com products do not contain any hazardous or ozone depleting material Environmental Statement about the Documentation The documentation for this product is printed on paper that comes
19. ts The silk screens on the interface card must be consistent with those on the PoE DIMM modules If the modules are wrongly seated cooling problems may occur though the PoE module can operate normally Note m With the reverse insertion prevention design you can only insert the module in the right direction m The PoE DIMM module is only supported on the PoE I O module m f no PoE SIMM module is in place or the module is not fully seated the interface card cannot supply power even if other functions go well The Master and Slave DIMM modules must be used at the same time Follow these steps to install the PoE DIMM Check the position of the module Insert the Master DIMM module into the J15 socket of the interface card and the Slave DIMM module into the J16 socket Close the locking spring clips until the pins at both ends of the clip snap into the notches in the module All items required for installation are contained within the packaging Additional power supply modules are shipped separately Check the packing list Rack or frame mounting screws are not included Place unit box in a vertical position near the installation site equipment cabinet or rack Carefully remove the crate top crate sides and the packing material If possible recycle the packing crate and the packing material If not dispose of properly according to local codes and regulations Installation Sequence 17 3 The following items are include
20. ures m Compatible with a wide range of input voltages from 90 V to 264 V and uses 20 A 250 VAC EN60320 C20 appliance coupler connectors and connector plugs m Power factor is above 0 99 m Efficiency is over 88 m Maximum device output is N 1 90A 54V m Power supply modules are hot swappable for uninterrupted operation m The PoE Power Rack power status may be monitored by an RS232 or RS485 interface m Advanced EMC Electro Magnetic Compatibility design m High safety and reliability Architecture and Configurations The PoE Power Rack architecture integrates DC power supply modules 3 maximum a system controller and the distribution module in a four rack unit high 4U chassis The system controller provides local monitoring and control of the device The general configuration is shown in Table 1 Table 1 The PoE Power Rack Configuration Description Standard Configuration AU high chassis D x W x H 320 5 x 482 6 x 177mm 12 62 x 19 00 x 6 97 in System controller One SWITCH 8800 PoE One installed 3 maximum for power redundancy Power Supply Module AC distribution wm Three independent AC power input sockets with three AC Power components Switches m 3 phase AC voltage sensor The standard PoE Power Rack is configured with one power supply module The power rack may be configured with up to 3 power supplies based on the power and power redundancy requirements Refer to Figure 1 for overall dimensions Refer to
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