What is the pinout of the serial interface cable of your card reader (e.g. WCR3227-xxx)?

OmniReader Cable Pinout

Serial Interface Cable:

 

Pin #(Molex)  Signal     Pin#(DB9)    Color(for Ref.)                             Note       

 

          1                  Case Gnd               Shell               Drain (blue?)                         

          2                  Txd                        2                     White                 

          3                  Rxd                        3                     Green

          4                  Vcc                                               Yellow      to Receptacle Pin

          5                  RTS                       8                     Brown

          6                  CTS                       7                     Grey

          7                  Gnd                       5                     Black        to Receptacle Sleeve                    Case Gnd              

 

 


Revision F and revision G have the same wire connections.  Here is the table for the pin-out.


Note: The color of the wires are for reference only, they can be changed by the cable manufacture.
Please always go by the pin # and signal name.