EMSDevicesPV Hybrid And Battery Inverters Alpvolt Supported Devices Device TypeModbus TCP (Ethernet)RS485Reactive power controlPowerbox 261✅❌— Configuration Ethernet Connection Make sure that the Controller and the Powerbox 261 are connected to the same network. For correct ethernet wiring, follow the guidelines for ethernet wiring.Last updated October 26, 2026AlphaESSPrevious PageAmpowrAmpowr Inverters