The DataPro 6624 series cable is a replacement cable for the Cisco CAB-SS-232MT/TA cable, one of the Cisco family of "Smart Serial" cables.
The router end terminates in a Foxconn High-Density 26-pin connector, the WAN end terminates in a 25-pin male DSUB connector.
Custom lengths are available; The maximum length is 10 Feet.
The connectors are: Foxconn DF26M and DB25M. Connector Diagrams: Foxconn [N/A] and DB25M.