Connection Details
The connection to the CAN bus is via the 9 pole SUB-D-plug according to CiA Recommendation DS 102-1. Minimal configurations are the PINs 2 and 7 (CAN-L, CAN-H)
Pin Connection User-defined +12V / +5V / not connected. CAN-L User-defined CAN-GND / not connected. Not Connected. Not Connected. User-defined CAN-GND / not connected. CAN-H Not Connected. User-defined +12V / +5V / not connected.

Authoritative source: BUSMASTER DITA help source connection_details.dita, compiled into BUSMASTER.CHM with the application.