DN-37/2 (with DIN-Rail Mounting and Dsub 37-pin connector, Includes one CA-3720 37-pin Male-Male D-sub cable 2.0 M) | ICP DAS USA Inc - Data Acquisition
10pcs D Sub Connector 37 Pin IDC Type Cable Adapter male to Female Plug to Socket Grey Flat Cable 1.27 mm 25 cm Length|Connectors| - AliExpress
Amazon.com: Jienk Solderless RS232 D-SUB DB37 Male Serial Adapter, 37 Pin Port Terminal Solderfree Breakout Board Connector with Case Long Bolts Tail Pipe : Electronics