H3C S12500 Installation Instructions Manual page 70

5 Maintaining and Updating the Switch······································································································5-1
Maintaining the Switch ····························································································································5-1
Removing the PSU ··························································································································5-1
Replacing and Cleaning the Air Filter······························································································5-2
Removing an LPU ···························································································································5-4
Removing a Fan Tray ······················································································································5-5
Removing the Interface Cover on the MPU·····················································································5-6
Software Update ·····································································································································5-7
Recommended Update Procedure··································································································5-7
Updating Applications on the BootWare Menu ···············································································5-8
Updating Applications at the CLI ···································································································5-18
Troubleshooting Software Update·································································································5-19
Password Loss ······························································································································5-20
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