iSMA-B-8U | I/O module with Modbus RTU/ASCII or BACnet MSTP communication- 8UI SKU: iSMA-B-8U Parent Item Parent Item - Additional Cost Has Item Option Details iSMA-B-8U | I/O module with Modbus RTU/ASCII or BACnet MSTP communication- 8UI Documentation Data Sheet DetailsDocumentationBackiSMA-B-8U | I/O module with Modbus RTU/ASCII or BACnet MSTP communication- 8UIBack Data Sheet