How to troubleshoot input failure on AC-powered H3C S5560S-SI?
- Jjordan61Aug 3, 2025
To troubleshoot an AC-powered H3C switch that's not receiving power, make sure the AC power cord is properly connected to both the switch and a working AC outlet. Also, ensure the switch's operating temperature is within the acceptable range and that the power module has adequate ventilation. Overheating can trigger a protective shutdown.