The Low Speed Wind Tunnel (LSWT) at the Aeronautical and Maritime Research Laboratory (AMRL) has used a proprietary Bidirectional Parallel Interface (BPI) bus for data collection from instrumentation since 1989. As part of the ongoing development of the LSWT data acquisition system it was decided that a more reliable and faster communication scheme was required. This report describes the unique system of hardware and software developed to enable the VMEbus-based instrumentation modules to communicate with a Host computer over an ethernet network
