AHDC-16-9 is a 9-position circular thermoplastic connector designed for industrial diagnostic and data communication applications. It features contact size 16 with a rated current of 13A at 250V, supporting J1939 Type 2 protocol with both 250 kb/s and 500 kb/s data rates across dedicated CAN bus lines. The connector includes a silicone rubber seal, standard diameter rear seal, threaded rear coupling, and green body identification per J1939 Type 2 specifications. It accommodates multiple pin configurations including ground, battery, J1939 differential pairs at both speeds, J1708 compatibility, and OEM-specific pins. This connector is ideal for heavy-duty vehicle diagnostic systems, fleet management applications, and industrial equipment requiring reliable environmental sealing and standardized communication protocols.