Manuals / 3Com / Computer Equipment / Switch

3Com 3C16895 7-slot Chassis Booting the Switch, Before powering on the Switch 7750, verify that

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

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Page 52

Figure 41 Settings Tab

52CHAPTER 3: CONFIGURING THE SWITCH 7750

Figure 41 Settings Tab

Booting the Switch 7750

Before powering on the Switch 7750, verify that:

■Power cords have been properly connected.

■The voltage of power supply can meet the requirements on the switch.

■The console cable has been connected properly.

■The PC or terminal for configuration has been started.

■The terminal parameters have been set.

Image 52

3Com 3C16895 7-slot Chassis manual Booting the Switch, Before powering on the Switch 7750, verify that, Settings Tab

Contents

3C16896 8-slot AC Chassis 3C16897 8-slot DC Chassis 3Com Family Switch 7750 Installation Guide3C16895 7-slot Chassis 3C16894 4-slot Chassis and associated modules 3Com Corporation 350 Campus DriveMarlborough, MA 01752-3064CONTENTS SWITCH 7750 COMPONENTSINSTALLING THE SWITCH CONFIGURING THE SWITCHTROUBLESHOOTING OBTAINING SUPPORT FOR YOUR SWITCHMAINTAINING SOFTWARE MAINTAINING HARDWAREABOUT THIS GUIDE ConventionsRelated Documentation6 ABOUT THIS GUIDE Switch Chassis SWITCH 7750 COMPONENTSSwitch Backplane Fabric Module Table 3 lists Fabric specifications Table 3 Fabric SpecificationsFigure 3 illustrates the front panel of the Fabric Figure 3 FabricCompact Flash CF Port 1000BASE-X-SFP PortsConsole Port Ethernet PortPower LEDs Reset ButtonFabric 32 Submodules Module LEDs4-Port 10/100/1000BASE-T Submodule 12-port 10/100/1000BASE-T and 4-port 1000BASE-X SFP Module 3C168916 I/O Modules12-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 Table 21 Specifications for the 48-Port 10/100BASE-TX FE Module Cables and maximumCables are 2 100-ohm Category-5 twisted pairs up to 100 m 300 ft 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 Power Module Power DistributionExternal PoE Power SystemFan Assembly Switch 7750 Specifications Table 46 provides detailed information about features of the SwitchFigure 31 Fan Assembly Table 46 Specifications for the Switch 7750 SystemTable 46 Specifications for the Switch 7750 System continued 36 CHAPTER 1 SWITCH 7750 COMPONENTSPreparing to Install INSTALLING THE SWITCHGeneral Safety Recommendations Electrical Safety Moving the SwitchLaser Safety Temperature and HumidityElectromagnetic Discharge Static ElectricityLightning Damage Installing the Cabling RackCabinet WorkbenchInstalling a Installing a ModuleSubmodule Connecting the Ground WireConnecting and Configuring PowerConnecting DC Power To connect DC power cords, do the following CordsFigure 34 Back of the PoE Rack Power CordFigure 35 Front Panel of the PoE Rack Assembly Installing the FanInstalling Cables Connecting Optical Fiber Cables Cables Connecting Electrical Port CablesSC fiber connector Installing Cabling MT-RJ fiber connectorPost-installation ChecklistInstallation Checklist operates correctlyCONFIGURING THE SWITCH Configuring theSwitch 7750 and a Setting TerminalBaud rate = Databit = Parity check = none Stopbit = 7 Select VT100 in the Emulation dropdown menu 8 Click OK Booting the Switch Before powering on the Switch 7750, verify thatPower cords have been properly connected 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 TROUBLESHOOTING Troubleshooting theConfiguration TroubleshootingTroubleshooting the Fan ModulesTroubleshooting the Table 50 describes power LEDs on the Fabric. continuedReplacing a Power Module MAINTAINING HARDWAREModule ModuleReplacing a Power Supply 70 CHAPTER 6 MAINTAINING HARDWAREAssembly Replacing the FanReplacing I/O Modules To replace an I/O module, you need 72 CHAPTER 6 MAINTAINING HARDWARE OBTAINING SUPPORT FOR YOUR B SWITCH to Gain ServiceServices Access SoftwareTelephone Technical Contact UsSupport and Repair http//lat.3com.com/lat/support/form.html http//lat.3com.com/br/support/form.htmllatsupportanc@3com.com Telephone Technical Support and Repair76 CHAPTER B OBTAINING SUPPORT FOR YOUR SWITCH SWITCH 7750 CABLES Console CableAUX Cable This appendix covers the following types of cables and connectorsConnector Electrical PortFigure 46 illustrates the RJ-45 connector Figure 46 The RJ-45 ConnectorConnectors Figure 47 SC Optical Fiber ConnectorTable 56 lists RJ-45 MDI-X Port Pin-outs Table 56 RJ-45 MDI-X Port PinoutsFigure 48. illustrates the MT-RJ fiber optic cable connector Figure 49 illustrates the LC connectorFigure 48 The MT-RJ Fiber Connector Figure 49 LC Connector