3Com 3C16895 4

4MAINTAINING SOFTWARE

This chapter covers the following topics:

■Upgrading Software

■Lost Passwords

■Using the BOOT Menu

Upgrading Software The following sections describe how to upgrade software on your Switch 7750:

■Upgrading the Software Image

■Upgrading Software with FTP

■Upgrading Software Using The BOOT Menu

■Upgrading Software Using Xmodem

■Upgrading Software Using TFTP

Always save the configuration file before upgrading applications.

Upgrading the Software

Image

To upgrade the software image of a Switch 7750, use one of the following

procedures:

■“Upgrading Software with FTP” on page 51

■“Upgrading Software Using The BOOT Menu”page 52

■“Upgrading Software Using Xmodem” page 56

■“Upgrading Software Using TFTP” page 58

Upgrading Software

with FTP

Use the following procedure to upgrade software with FTP:

1Log in to the system with super-user privileges.

2From the SW7750 command line, transfer the file from the FTP server to the

system, using the ftp command.

3Specify the file to boot the system from, using the boot command.

4Reboot the system, using the reboot command.

The following example illustrates this procedure:

<SW7750>su

Password:

Now user privilege is 3 level, and just commands which level is

equal to or less than this level can be used.

Privilege note: 0-VISIT, 1-MONITOR, 2-SYSTEM, 3-MANAGE

<SW7750>ftp 10.10.110.1

Contents

Main 3Com Corporation 350 Campus Drive Marlborough, MA 01752-3064 C ABOUT THIS GUIDE SWITCH 7750 COMPONENTS INSTALLING THE SWITCH 7750 CONFIGURING THE SWITCH 7750 M AINTAINING S M AINTAINING H T SWITCH 7750 CABLES OBTAINING SUPPORT FOR YOUR SWITCH Page ABOUT THIS GUIDE Conventions Related Documentation 1 Switch Chassis Switch Backplane Fabric Module Figure 3 illustrates the front panel of the Fabric 32. Figure 3 Fabric 32 12345678 Tabl e 4 lists Fabric specifications. Tabl e 4 Fabric Specifications Page Page Fabric 32 Submodules Page I/O Modules Page Page Page Page Figure 12 48-port 10/100/1000BASE-T Module Figure 13 illustrates the front panel and LEDs of the 48-port 10/100/1000BASE-T module. 12 Figure 13 Front Panel of the 48-port 10/100/1000BASE-T Module Tabl e 24 describes the specifications of the 48-port 10/100/1000BASE-T module. Tabl e 23 describes the 48-port 10/100/1000BASE-T module LEDs. Page Page Page Page Every GBIC port has a LED, as shown in Figure 21. Tabl e 31 describes the 8-Port 1000BASE-X GBIC module LEDs. Tabl e 33 describes the specifications of the 8-port 1000BASE-X GBIC module. The cables for each of the supported 8GBIC modules are described inTabl e 32. Page Page Power Module Power Distribution External PoE Power System Fan Assembly Switch 7750 Specifications Tabl e 40 provides detailed information about features of the Switch 7750. Tabl e 40 Specifications for the Switch 7750 System 2 Preparing to Install General Site Requirements Installation Checklist Installing the Chassis Installing the Cabling Rack Installing a Module Installing a Submodule Connecting the Ground Wire Connecting and Configuring Power Page Installing the Fan Assembly Installing Cables Page Installing Cabling Post-installation Checklist Page 3 Configuring the Switch 7750 and a Local Terminal Setting Terminal Parameters Page Page Booting the Switch 7750 Page Page 4 Upgrading Software Page Page Page Page Page Page Page Lost Passwords Using the BOOT Menu After you power on the Switch 7750, the BootROM program runs automatically. Page 5 Replacing a Power Module Replacing a Power Supply Replacing I/O Modules Replacing the Fan Assembly Page 6 Troubleshooting the Configuration Troubleshooting Power Troubleshooting the Fan Troubleshooting the Modules A Console Cable AUX Cable Figure 40 The AUX Cable Tabl e 48 lists the AUX cable pin-outs. Electrical Port Connector Tabl e 49 lists RJ-45 MDI port pin-outs. Figure 41 illustrates the RJ-45 connector. Figure 41 The RJ-45 Connector Tabl e 48 AUX Cable Pin-outs Optical Fiber Cable Connectors Figure 42 illustrates the SC optical fiber cable connector. Figure 42 SC Optical Fiber Connector Tabl e 50 RJ-45 MDI-X Port Pinouts Table 49 RJ-45 MDI Port Pin-outs (continued) Page B S Register Your Product to Gain Service Benefits Purchase Value-Added Services Troubleshoot Online Contact Us Telephone Technical Support and Repair Europe, Middle East, and Africa Telephone Technical Support and Repair