Installation Guide
QX-S5500 Series Ethernet Switches
Contents
7 Maintenance and Troubleshooting ........................................................................................... 7-1
7.1 Exchange of a power supply module ................................................................................. 7-1
7.2 Software Loading Failure ................................................................................................... 7-2
7.3 Password recovery ............................................................................................................ 7-2
7.3.1 Password recovery of user password ..................................................................... 7-2
7.3.2 Recovery of Boot ROM password. .......................................................................... 7-3
7.3.3 Way of load failure of the next-startup configuration file ......................................... 7-4
7.4 Power Supply Failure ......................................................................................................... 7-6
7.5 Configuration terminal problems ........................................................................................ 7-6
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