H3C S5120-SI Series Installation Manual

Also see for S5120-SI Series: Quick start guide Operation manual Configuration guide Command reference Configuration guide

Contents

H3C S5120-SI Series Installation Manual Manual pdf 57 page image

6-2Power Supply FailureYou can determine whether the power system of a switch functions normally by viewing the power LEDon the front panel. The power LED stays on when power system is normal. Otherwise, please checkwhether:z The power cord is correctly connected, the power receptacle on the switch and the AC powersocket function normally.z The power input to the switch is normal.If the power cord connection, power input system are normal after troubleshoot but the power LED stillstay off, please contact your sale agent for help.Configuration Terminal FailureAfter the switch is powered on and the system is normal, the booting information will be displayed on theconfiguration terminal. If the configuration system has any faults, there will not be any screen display atthe configuration terminal or the displayed characters will be totally illegible.Troubleshooting when there is no terminal displayIf there is no output information after the configuration is powered on, please check whether:z The power supply is normalz The console cable is properly connectedIf no problems are found after the above-mentioned items have been checked, the cause may lie in theconsole cable or the settings of the terminal (such as HyperTerminal) parameters. Please perform thecorresponding check.Troubleshooting when the terminal display is illegibleIf there is illegible display at the configuration terminal, the cause might lie in the parameter setting errorat the terminal (such as HyperTerminal). Verify the following terminal parameter (such as hyper terminal)settings:z Baud rate: 9,600z Data bits: 8z Parity: nonez Stop bits: 1z Flow control: nonez Emulation: VT100.