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3Com 3C16896 8 slot AC Chassis, 3C16895 7-slot Chassis manual Maintaining Software

Models: 3C16894 4-slot Chassis 3C16897 8-slot DC Chassis 3C16895 7-slot Chassis 3C16896 8 slot AC Chassis

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66CHAPTER 4: MAINTAINING SOFTWARE

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3Com 3C16896 8 slot AC Chassis, 3C16895 7-slot Chassis, 3C16894 4-slot Chassis manual Maintaining Software

Contents

3Com Family Switch 7750 Installation Guide 3C16896 8-slot AC Chassis 3C16897 8-slot DC Chassis3C16895 7-slot Chassis 3C16894 4-slot Chassis and associated modules Marlborough, MA 3Com Corporation350 Campus Drive 01752-3064INSTALLING THE SWITCH CONTENTSSWITCH 7750 COMPONENTS CONFIGURING THE SWITCHMAINTAINING SOFTWARE TROUBLESHOOTINGOBTAINING SUPPORT FOR YOUR SWITCH MAINTAINING HARDWARERelated ABOUT THIS GUIDEConventions Documentation6 ABOUT THIS GUIDE SWITCH 7750 COMPONENTS Switch ChassisSwitch Backplane Fabric Module Figure 3 illustrates the front panel of the Fabric Table 3 lists Fabric specificationsTable 3 Fabric Specifications Figure 3 FabricCompact Flash CF Port 1000BASE-X-SFP PortsConsole Port Ethernet PortFabric 32 Submodules Power LEDsReset Button Module LEDs4-Port 10/100/1000BASE-T Submodule I/O Modules 12-port 10/100/1000BASE-T and 4-port 1000BASE-X SFP Module 3C16891612-port 1000BASE-X SFP and 4-port 10/100/1000BASE-T Module 3C186917 Figure 12illustrates the 48-port 10/100BASE-T FE PoE module 48-port 10/100/1000BASE-T PoE Module Table 22 describes the 48-port 10/100/1000BASE-T PoE module LEDs Cables are 2 100-ohm Category-5 twisted pairs up to 100 m 300 ft Table 21 Specifications for the 48-Port 10/100BASE-TX FE ModuleCables and maximum transmission distanceModule Figure 15 Front Panel of the 48-port 48-port 100BASE-X SFP Module Table 26 lists the cables for the 48-port 100BASE-X SFP ports Each 100 Mbps optical port has a green LED, as shown in Figure Module Figure 18 illustrates the 20-Port 10/100/1000BASE-T ModuleTable 30 lists specifications of the 20-port 10/100/1000BASE-T module 12-port 10/100/1000BASE-T and 4-port 1000BASE-X SFP Module 26 CHAPTER 1 SWITCH 7750 COMPONENTS 3C16891612-port 1000BASE-X SFP and 4-port Figure 24 12-port 1000BASE-X SFP and 4-port 10/100/1000BASE-T Module Table 38 lists the cables for the 1000BASE-X SFP ports Figure 26 8-Port 1000BASE-X GBIC Module Module Figure 28 illustrates the 8-port 10/100/1000BASE-T GE moduleTable 42 describes the LEDs on the 8-port 10/100/1000BASE-T GE module External PoE Power Power ModulePower Distribution SystemFan Assembly Figure 31 Fan Assembly Switch 7750 SpecificationsTable 46 provides detailed information about features of the Switch Table 46 Specifications for the Switch 7750 SystemTable 46 Specifications for the Switch 7750 System continued 36 CHAPTER 1 SWITCH 7750 COMPONENTSINSTALLING THE SWITCH Preparing to InstallGeneral Safety Recommendations Laser Safety Electrical SafetyMoving the Switch Temperature and HumidityStatic Electricity Electromagnetic DischargeLightning Damage Cabinet Installing the CablingRack WorkbenchInstalling a Module Installing aSubmodule Connecting and Connecting theGround Wire Configuring PowerConnecting DC Power To connect DC power cords, do the following CordsPower Cord Figure 34 Back of the PoE RackFigure 35 Front Panel of the PoE Rack Installing the Fan AssemblyInstalling Cables Cables Connecting Electrical Port Cables Connecting Optical Fiber CablesSC fiber connector Installing Cabling MT-RJ fiber connectorInstallation Checklist Post-installationChecklist operates correctlySwitch 7750 and a CONFIGURING THE SWITCHConfiguring the Setting TerminalBaud rate = Databit = Parity check = none Stopbit = 7 Select VT100 in the Emulation dropdown menu 8 Click OK Power cords have been properly connected Booting the SwitchBefore powering on the Switch 7750, verify that The voltage of power supply can meet the requirements on the switchBooting the Switch 7750 Please check LEDsYou can now begin the configuration for the Switch 3ComMAINTAINING SOFTWARE The terminal displays the following information Downloading an Application to Flash Memory Selecting the Application File for the Boot 7 Type Y to run the primary image 60 CHAPTER 4 MAINTAINING SOFTWARE 2 Enter 3 in the download program menu 11 Change the protocol name for the download to Xmodem Lost Passwords the 8-slot ChassisPress Ctrl+B. The system displays Using the BOOT Menu 66 CHAPTER 4 MAINTAINING SOFTWARE Configuration TROUBLESHOOTINGTroubleshooting the TroubleshootingTroubleshooting the Troubleshooting the FanModules Table 50 describes power LEDs on the Fabric. continuedModule Replacing a Power ModuleMAINTAINING HARDWARE ModuleReplacing a Power Supply 70 CHAPTER 6 MAINTAINING HARDWAREReplacing the Fan AssemblyReplacing I/O Modules To replace an I/O module, you need 72 CHAPTER 6 MAINTAINING HARDWARE Services OBTAINING SUPPORT FOR YOUR B SWITCHto Gain Service Access SoftwareContact Us Telephone TechnicalSupport and Repair latsupportanc@3com.com http//lat.3com.com/lat/support/form.htmlhttp//lat.3com.com/br/support/form.html Telephone Technical Support and Repair76 CHAPTER B OBTAINING SUPPORT FOR YOUR SWITCH AUX Cable SWITCH 7750 CABLESConsole Cable This appendix covers the following types of cables and connectorsFigure 46 illustrates the RJ-45 connector ConnectorElectrical Port Figure 46 The RJ-45 ConnectorTable 56 lists RJ-45 MDI-X Port Pin-outs ConnectorsFigure 47 SC Optical Fiber Connector Table 56 RJ-45 MDI-X Port PinoutsFigure 48 The MT-RJ Fiber Connector Figure 48. illustrates the MT-RJ fiber optic cable connectorFigure 49 illustrates the LC connector Figure 49 LC Connector