H3c-technologies H3C MSR 800 User Manual download pdf (Page 31)

Troubleshooting

IMPORTANT:

• The barcode on the router chassis contains product information that must be provided to local sales

agent before 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 to open

the chassis, contact H3C for permission. Otherwise, H3C shall not be liable for any consequence.

Power supply failure

If the router cannot be powered on and LEDs on the front panel are off, it indicates that the power

supply is faulty.

To troubleshoot the power supply:

1. Power off the router.

2. Verify that the router's power cords are connected firmly.

3. Verify that the power source is operating correctly.

4. Determine if the power cord is damaged.

5. If the problem persists, contact H3C Support.

System configuration problems

If the configuration environment setup is correct, the console terminal displays boot information when

the router is powered on. If the setup is incorrect, the console terminal displays nothing or garbled text.

No terminal display

If the console terminal displays nothing when the router is powered on, verify the following items:

• The power supply system is operating correctly.

• The console cable is connected correctly.

• The console cable is connected to the serial port that is configured for the console terminal.

• The console terminal properties are set to the following: Bits per second: 9600, Data bits: 8,

Parity: None, Stop bits: 1, Flow control: None, and Terminal Emulation: VT100.

• The console cable is operating correctly.

Garbled terminal display

If terminal display is garbled, make sure the Data bits field for the console terminal is set to 8. If the

Data bits field is set to 5 or 6, the console terminal will display garbled characters.

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H3c-technologies H3C MSR 800 User Manual Page 31