iSMA-B-4U4A-H-IP | I/O module with Modbus TCP/IP (with built in Modbus Gateway t SKU: iSMA-B-4U4A-H-IP Parent Item Parent Item - Additional Cost Has Item Option Details iSMA-B-4U4A-H-IP | I/O module with Modbus TCP/IP (with built in Modbus Gateway to RS485) or BACnet IP communication- 4UI and 4AO with hand operating Documentation Data Sheet DetailsDocumentationBackiSMA-B-4U4A-H-IP | I/O module with Modbus TCP/IP (with built in Modbus Gateway to RS485) or BACnet IP communication- 4UI and 4AO with hand operatingBack Data Sheet