
iii
Verifying and diagnosing transceiver modules·································································································· 68
Troubleshooting system exceptions ······························································································································ 68
Configuring the exception handling methods ···································································································· 68
Displaying the exception handling method ········································································································ 69
Rebooting your firewall ················································································································································· 69
Troubleshooting··························································································································································71
MPU failures ··································································································································································· 71
Symptom 1 ····························································································································································· 71
Symptom 2 ····························································································································································· 71
Symptom 3 ····························································································································································· 72
Service module failures ················································································································································· 72
Symptom 1 ····························································································································································· 72
Symptom 2 ····························································································································································· 72
Power supply system failures ········································································································································ 73
Symptom 1 ····························································································································································· 73
Symptom 2 ····························································································································································· 73
Fan failures ····································································································································································· 74
Symptom 1 ····························································································································································· 74
Symptom 2 ····························································································································································· 74
Configuration system failures········································································································································ 74
No display on the configuration terminal··········································································································· 75
Garbled characters on the configuration terminal····························································································· 75
Console port failure··············································································································································· 75
Password loss ································································································································································· 76
Cooling system failures·················································································································································· 76
Software upgrade failures············································································································································· 77
No response from the serial port of the MPU····································································································· 77
Failure to upgrade through TFTP·························································································································· 77
Failure to upgrade through FTP···························································································································· 78
Application file missing errors ······································································································································ 79
Appendix A Chassis views and technical specifications ························································································80
Chassis views ································································································································································· 80
Main processing unit ····················································································································································· 81
Interface modules ··························································································································································· 82
NSQ1GT8C40······················································································································································ 82
NSQ1XP20···························································································································································· 82
NSQ1GT8P40······················································································································································· 83
Power modules ······························································································································································· 83
AC power module················································································································································· 83
DC power module ················································································································································· 84
Fan tray ··········································································································································································· 84
Technical specifications················································································································································· 85
Dimensions and weight ········································································································································ 85