Quote Originally Posted by syrinx View Post
The back system works wrong: error message in any positions of the sensors. In one position, I get R2, F2, R1 are not OK (only R1, R2 are connected). When I reverse the cables, I get R2, F2 are not OK (only R1, R2 are connected).
This does not make sense...when you swap cables, where are you doing it ? At the RJ Ports or the Twist connector near the Sensors ?

You should not be getting an F2 error unless you made a mistake at the RJ Port & plugged into the F2 Port.