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Gabriel MendezSep 13, 2025
How to troubleshoot PMCARD not acquiring environment sensor information on Njoy UPS?
- MMargaret WalkerSep 13, 2025
If the PMCARD on your Njoy UPS isn't acquiring environment sensor information, check the LED indicator. A lit LED indicates a good connection. If it's not lit, ensure the RJ45 Ethernet cable is correctly connected to both the PMCARD and the sensor. Be sure not to use a crossover cable, which is designed for Tx/Rx.











