If you want to build your own cables or have to repair one, you can have a look at the pinouts and wiring diagrams here. We recommend that you use original Neutrik NTP3RC and LEMO connectors for reliable connections.
Additional Wiring Diagrams:
C07 Tentacle TRS Connector Wiring Diagram
C09 Tentacle to TA3 Wiring Diagram
C11 Tentacle to GoPro Wiring Diagram (discontinued)