iSMA-B-8I | 8DI - Serial with BACnet and Modbus SKU: iSMA-B-8I Parent Item Parent Item - Additional Cost Has Item Option Details iSMA-B-8I | 8DI - Serial with BACnet and Modbus Documentation Data Sheet DetailsDocumentationBackiSMA-B-8I | 8DI - Serial with BACnet and ModbusBack Data Sheet