NEC QX-S6648XP-6Q Installation Manual page 100

Installation Guide
QX-S6600 Series Ethernet Switches
Contents
7 Maintenance and troubleshooting ............................................................................................ 7-1
Password recovery ............................................................................................................ 7-1
7.1.1 CLI login password loss .......................................................................................... 7-1
7.1.2 Super password loss ............................................................................................... 7-3
7.1.3 Way of load failure of the next-startup configuration file ......................................... 7-3
Power module failure ......................................................................................................... 7-6
Fan failure .......................................................................................................................... 7-7
Configuration terminal problems ........................................................................................ 7-7
7.4.1 No terminal display .................................................................................................. 7-7
7.4.2 Garbled terminal display ......................................................................................... 7-8
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Contents