3Com SECPATH U200-CS Installation Manual page 118

8 Troubleshooting ········································································································································8-1
Troubleshooting the Power System ········································································································8-1
Troubleshooting Fans ·····························································································································8-1
Troubleshooting the Configuration System·····························································································8-2
No Display on the Terminal Screen·································································································8-2
Garbled Characters Displayed on the Terminal Screen··································································8-2
Serial Port Response Failure ··········································································································8-2
Dealing With Password Loss ··················································································································8-3
Troubleshooting the Cooling System ······································································································8-3
Troubleshooting Interface Cards/Modules, Cables and Connections ····················································8-3
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