Siemens Simatic S7 PLC adapter. MPI cable. Bus Connector – Industrial Control – Automation and Controls Supplier
USB-MPI Programming Cable for Siemens S7-200 300 400 Series 6ES7 972-0CB20-0XA0 PLC 0CB20 USB MPI/PPI/DP/PROFIBUS USB MPI PC-MPI Adapter: Amazon.com: Tools & Home Improvement
Compatible with Siemens PLC Programming Cable S7-200/300/400 Data Download Line 6ES7972-0CB20-0XA0,USB/MPI PC Adapter USB Cable for Siemen S7-200/300/400 - Walmart.com