H3C S5510 Series Installation Manual

Also see for S5510 Series: Configuration Operation manual Operation manual Operation manual Command manual

Contents

H3C S5510 Series Installation Manual Manual pdf 63 page image

Installation ManualH3C S5510 Series Ethernet Switches Chapter 6 Maintenance and Troubleshooting6-2Select <7> and have the switch reboot. The user password is deleted at the reboot toallow you access the switch without password.6.2.2 Recovering the Boot ROM PasswordContact your sales agent for help.6.3 Dealing with Power System FailuresYou can know whether the power system has failed by reading the power LED (PWR)on the front panel. If the power system is operating normally, the power LED is constantON. If not, verify that:z The switch power cord is correctly connected.z The power source can work with the switch.6.4 Dealing with Configuration System FailuresIf the switch is operating normally after it is powered up, it displays the start-upinformation on the console terminal. If the configuration system has failed, it displaysillegible characters or nothing at all.I. No information on the terminalTake these steps to address the problem:1) Verify that:z The power system is operating normally.z The console cable is connected correctly.2) Verify that the console cable is in good condition and the terminal (HyperTerminalfor example) parameter settings are correct.II. Illegible characters on the terminalMake sure you have set on your terminal (HyperTerminal):Baud rate = 9600Data bits = 8Parity check = noneStop bits = 1Flow control = noneTerminal emulation = VT100Reconfigure the parameters if their values are different.