3com 3C16895 Manual de usuario

http://www.3com.com/Switch 7750 Installation Guide3C16895 7-slot Chassis3C16894 4-slot Chassisand associated modulesPart No. 10014824 Published June 2

10 CHAPTER 1: SWITCH 7750 COMPONENTSFabric Module There are two Fabric modules for the Switch 7750: Fabric 64 (3C16857 or 3C16857R) Fabric 32 (3C168

Fabric Module 115 Fan LEDs6 Power module LEDs7 I/O module LEDsFigure 3 illustrates the front panel of the Fabric 32.Figure 3 Fabric 321 Submodule sl

12 CHAPTER 1: SWITCH 7750 COMPONENTS 4-port 1000BASE-X-GBIC submodule 4-port 10/100/1000BASE-T submoduleFor more information on these submodules, se

Fabric Module 13Console PortThe console port is connected to the configuration terminal using an RJ-45 connector. You can use the console port for sys

14 CHAPTER 1: SWITCH 7750 COMPONENTSModule LEDs The module LEDs show the status of the I/O modules, as described in Tab le 10.Power LEDs PWR1, PWR2,

Fabric 32 Submodules 15Figure 4 4-Port 1000BASE-X-GBIC SubmoduleEthernet GBIC port2 Ethernet GBIC port LEDTable 13 describes the 4-port 1000BASE-X-G

16 CHAPTER 1: SWITCH 7750 COMPONENTSTable 15 describes the 4-port 10/100/1000BASE-T submodule LEDs.Table 16 lists specifications of the 4-port 10/100/

I/O Modules 1748-port 10/100BASE-T FE PoE ModuleThe 48-port 10/100BASE-T FE PoE module provides 48 10/100 Mbps auto-sensing Ethernet ports that provid

18 CHAPTER 1: SWITCH 7750 COMPONENTS48-port 10/100/1000BASE-T PoE ModuleThe 48-port 10/100/1000BASE-T PoE module provides 48 10/100/1000 Mbps auto-sen

I/O Modules 19Table 24 describes the specifications of the 48-port 10/100/1000BASE-T PoE module.48-port 10/100BASE-T Auto-sensing FE ModuleThe 48-port

3Com Corporation 350 Campus Drive Marlborough, MA 01752-3064Copyright © 2005, 3Com Corporation. All rights reserved. No part of this documentation may

20 CHAPTER 1: SWITCH 7750 COMPONENTSFigure 11 Front Panel of the 48-Port 10/100BASE-T Auto-sensing FE module1 Ethernet port2 Ethernet port LEDEach 1

I/O Modules 21Figure 12 48-port 10/100/1000BASE-T ModuleFigure 13 illustrates the front panel and LEDs of the 48-port 10/100/1000BASE-T module.Figur

22 CHAPTER 1: SWITCH 7750 COMPONENTS24-port 100BASE-FX MMF FE ModuleThe 24-port 100BASE-FX MMF FE module provides 24 100 Mbps multi-mode Ethernet opti

I/O Modules 2320-Port 10/100/1000BASE-T ModuleThe 20-Port 10/100/1000BASE-T module provides 20 10/100/1000BASE-T auto-sensing Ethernet ports.Figure 16

24 CHAPTER 1: SWITCH 7750 COMPONENTSTable 28 lists specifications of the 20-port 10/100/1000BASE-T module.20-Port 1000BASE-X-SFP ModuleThe 20-port 100

I/O Modules 251 Ethernet port2 Ethernet port LEDTable 29 describes the 20-port 1000BASE-X-SFP module LEDs.Table 30 lists specifications of the 20-port

26 CHAPTER 1: SWITCH 7750 COMPONENTSFigure 20 8-Port 1000BASE-X GBIC ModuleEvery GBIC port has a LED, as shown in Figure 21. Figure 21 Front Panel

I/O Modules 278-port 10/100/1000BASE-T GE ModuleThe 8-port 10/100/1000BASE-T GE module provides 8 external 10/100/1000 Mbps auto-sensing Ethernet elec

28 CHAPTER 1: SWITCH 7750 COMPONENTSTable 34 describes the LEDs on the 8-port 10/100/1000BASE-T GE module.Specifications of the 8-port 10/100/1000BASE

Power Module 29Figure 25 Front Panel of the 1-Port 10GBASE-R-XENPAK Module1 XENPAK port2 XENPAK port LEDsTable 36 describes the 1-port 10GBASE-R-XEN

CONTENTSABOUT THIS GUIDEConventions 7Related Documentation 8SWITCH 7750 COMPONENTSSwitch Chassis 9Switch Backplane 9Fabric Module

30 CHAPTER 1: SWITCH 7750 COMPONENTSTable 38 describes the specifications of the Switch 7750 power module.Power Distribution The Switch 7750 power dis

Fan Assembly 31Table 39 describes the capabilities of the Switch 7750 PoE power module.The Switch 7750 provides power through Ethernet ports on the Po

32 CHAPTER 1: SWITCH 7750 COMPONENTSSwitch 7750 SpecificationsTable 40 provides detailed information about features of the Switch 7750.Tabl e 40 Spe

2INSTALLING THE SWITCH 7750The following sections describe how to prepare and install the components of the Switch 7750: Preparing to Install Genera

34 CHAPTER 2: INSTALLING THE SWITCH 7750 During the installation, wear an antistatic wrist strap and antistatic gloves. See “Static Electricity” on p

Installation Checklist 35Static ElectricityTo prevent damage caused by the static electricity, ensure that: The equipment is grounded The equipment

36 CHAPTER 2: INSTALLING THE SWITCH 7750 Tools Phillips screwdriver Flat-head screwdriver Antistatic wrist strap Cables Console cable AUX cable

Installing a Module 37Installing a Module To install a module:1 Wear an antistatic wrist strap.2 Remove the blanking plate from the chassis slot and s

38 CHAPTER 2: INSTALLING THE SWITCH 7750Connecting the Ground WireTo connect the ground wire:1 Wear an antistatic wrist strap.2 Remove the screw from

Connecting and Configuring Power 39Connecting the PoE Power CordFollow these steps to connect the power cord from the PoE rack:1 Loosen the mounting

Electrical Safety 34Moving the Switch 34Laser Safety 34General Site Requirements 34Installation Space 35Installation Checklist

40 CHAPTER 2: INSTALLING THE SWITCH 7750Installing the Fan AssemblyTo install the fan:1 Wear an antistatic wrist strap.2 Remove the fan frame from the

Installing Cables 41Connecting Module CablesThis section describes how to connect electrical and optical cables.Connecting Electrical Port CablesThe 4

42 CHAPTER 2: INSTALLING THE SWITCH 7750CAUTION: When connecting an SC fiber connector, the switch TX must be connected to the RX of the device on the

Post-installation Checklist 43Follow the parameters defined in Tabl e 42 for binding cables with ties.Post-installation ChecklistAfter you install you

44 CHAPTER 2: INSTALLING THE SWITCH 7750

3CONFIGURING THE SWITCH 7750The following sections of this chapter describe how to configure and boot the Switch 7750: Configuring the Switch 7750 an

46 CHAPTER 3: CONFIGURING THE SWITCH 7750Figure 32 Connection Description Dialog Box2 Enter the name of the new connection in the Name field and cli

Setting Terminal Parameters 47Figure 34 COM1 Properties Dialog Box4 Click OK. The HyperTerminal dialogue box displays, as shown in Figure 35.Figure

48 CHAPTER 3: CONFIGURING THE SWITCH 7750Figure 36 Settings TabBooting the Switch 7750Before powering on the Switch 7750, verify that: Power cords

Booting the Switch 7750 49Powering up and BootingTurn on the power for the Switch 7750 and run the BootROM program. The terminal displays the followin

Removing the AC Power Module 61Installing the AC Power Module 61Replacing a Power Supply 62Replacing I/O Modules 63Replacing the Fan A

50 CHAPTER 3: CONFIGURING THE SWITCH 7750The display of these messages indicates the completion of the switch auto-booting. Press Enter and the termin

4MAINTAINING SOFTWAREThis chapter covers the following topics: Upgrading Software Lost Passwords Using the BOOT MenuUpgrading Software The followin

52 CHAPTER 4: MAINTAINING SOFTWARETrying ...Press CTRL+K to abortConnected.220 3Com 3CDaemon FTP Server Version 2.0User(none):anonymous331 User name o

Upgrading Software 53FAB96 self testing...SDRAM Data lines Selftest...OK!SDRAM Ad

54 CHAPTER 4: MAINTAINING SOFTWARESelecting the Application File for the BootIf the Switch 7750 primary image fails because of a CRC error or a file f

Upgrading Software 55The file you selected is SW7750-V300R-.app, are you sure? Yes or No(Y/N) y On reboot,SW7750-V300R-.app will become the default ap

56 CHAPTER 4: MAINTAINING SOFTWAREAssert at file: 'vfs_flsh.c', Line: 4549There are 3 files in this packageSRPU app file error! backup boot

Upgrading Software 57packet. If the check fails, negative characters are sent and the sending program sends the packet again.1 Enter 1 in the BOOT Men

58 CHAPTER 4: MAINTAINING SOFTWAREFigure 37 Send File dialog box11 Change the protocol name for the download to Xmodem.12 Click Send. The dialog box

Lost Passwords 59A TFTP Server program is shipped on the CDROM with the Switch 7750.Before you upgrade: Verify that there is a connection between the

60 CHAPTER 4: MAINTAINING SOFTWARE CPU type : MPC8245 CPU Clock Speed : 400Mhz BUS Clock Speed : 66Mhz BOOT_FLASH type : M2

5MAINTAINING HARDWAREThis chapter covers the following topics: Replacing a Power Module Replacing a Power Supply Replacing I/O Modules Replacing t

62 CHAPTER 5: MAINTAINING HARDWARE6 Connect the power cords to separate AC power sources on separate power grids or to a UPS/backup power system.WARNI

Replacing I/O Modules 63Replacing I/O Modules To replace an I/O module, you need: An antistatic wrist strap A Screwdriver To remove a module:1 Remo

64 CHAPTER 5: MAINTAINING HARDWAREWARNING: If the fan fails, replace it with a new one without delay before operating the Switch 7750. Failure to do s

6TROUBLESHOOTINGThis chapter covers the following topics: Troubleshooting the Configuration Troubleshooting Power Troubleshooting the Fan Troubles

66 CHAPTER 6: TROUBLESHOOTINGTable 44 describes power LEDs on the Fabric. (continued)Troubleshooting the FanIf the fan OK LED is off, check that: Th

ASWITCH 7750 CABLESThis appendix covers the following types of cables and connectors: Console Cable AUX Cable Electrical Port Connector Optical Fi

68 APPENDIX A: SWITCH 7750 CABLESFigure 40 The AUX CableTable 48 lists the AUX cable pin-outs.Electrical Port ConnectorFigure 41 illustrates the RJ-

Optical Fiber Cable Connectors 69Tx = Send data Rx = Receive data BI = I-directional data.Table 50 lists RJ-45 MDI-X Port Pin-outs.Optical Fiber Cable

ABOUT THIS GUIDEThis guide describes the 3Com® Switch 7750 and how to install hardware, configure and boot software, and maintain software and hardwar

70 APPENDIX A: SWITCH 7750 CABLESFigure 43. illustrates the MT-RJ fiber optic cable connector.Figure 43 The MT-RJ Fiber ConnectorFigure 44 illustrat

BOBTAINING SUPPORT FOR YOUR SWITCHRegister Your Product to Gain Service BenefitsTo take advantage of warranty and other service benefits, you must fir

72 APPENDIX B: OBTAINING SUPPORT FOR YOUR SWITCHSoftware Upgrades are the software releases that follow the software version included with your origin

Telephone Technical Support and Repair 73Europe, Middle East, and Africa Telephone Technical Support and RepairFrom anywhere in these regions, call:+4

74 APPENDIX B: OBTAINING SUPPORT FOR YOUR SWITCH

8 ABOUT THIS GUIDERelated DocumentationThe following manuals offer additional information necessary for managing your Switch 7750: Switch 7750 Comma

1SWITCH 7750 COMPONENTSThe chapter describes the following Switch 7750 components: Switch Chassis Switch Backplane Fabric Module Fabric 32 Submodu