This is a Female DB9 (DE9) cable with an open end. It is generally used for Vehicle Diagnosis applications, such as connecting a Car Diagnostic tools to your laptop computer or a interface box to a computer running the Auto Diagnostic software.
Female DB9 pin Cable End open RS232 Connector.
Female DB9 pin RS-232 cable to open end with molded bend protection fitting to the OBD-II connectors:
- Molded RS232 Plug female
- Molded cable/bend protection for OBD-ii plug
- Connected with 4 wires
Since this cable has an open end, you need DIY develop the cable.