an onboard MAX3232 chip converts the TTL signals to RS232 via a Cisco-pinout RJ45 connector. Cisco console ports are attached with a simple ethernet cable. DB9 ports may be connected with the same ...
Pinout is as follows: OBD2 DB9 4,5 GND 1,2 6 CAN_H 3 14 CAN_L 5 16 12V 9 This pinout should be compatible to most DB9 to OBD2 cables. One can always build one's own cable, though.