H3C MSR830 Series Installation Manual

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H3C MSR830 Series Installation Manual Manual pdf 28 page image

21TroubleshootingIMPORTANT:• The barcode on the router chassis contains product information that must be provided to localsales agent when you return a faulty router for service.• Keep the tamper-proof seal on a mounting screw on the chassis cover intact, and if you want toopen the chassis, contact H3C for permission. Otherwise, H3C shall not be liable for anyconsequence.Power supply system failureSymptomThe router cannot be powered on. The system LED is off.SolutionTo resolve the issue:1. Verify that the power cord of the router is correctly connected to the router and the powersource.2. Verify that the power source is operating correctly.3. Verify that the power cord is in good condition.4. If the issue persists, contact H3C Support.Configuration terminal issuesIf the configuration environment setup is correct, the configuration terminal displays boot informationwhen the router is powered on. If the setup is incorrect, the configuration terminal displays nothing orgarbled text.No terminal displaySymptomThe configuration terminal displays nothing when the router is powered on.SolutionTo resolve the issue:1. Verify that the power supply system is operating correctly.2. Verify that the console cable is correctly connected.3. Verify that the console cable is connected to the serial port that is configured for theconfiguration terminal.4. Verify that the configuration terminal parameters are configured as follows:{ Baud rate—9600{ Data bits—8{ Parity—none{ Stop bits—1{ Flow control—none