Have you used a cut over network cable to make the connection? I have seen some network cables that do not follow the standard color coding for example what comes first the white/orange or the orange.ย ย Yes a cut network cable, but used a magnifying glass to look through the clear connector to check colour coding against pins.ย Pin1 White /Orange, Pin 4 Blue, Pin 7 White/Brown
If possible can you check the connection between the RJ45 connector and the screw terminal in the IR eye for continuity?ย ย Checked and fine for all three connected pins
When connected can you measure 5V between Ground and +5V in the screw terminal of the IR eye?ย ย Yes
Also when connected can you meassure a voltage around 5V between ground and IR data screw terminal of the IR eye?ย ย No, itโs about 0.4V
If yes can you see the voltage changing when pressing a key on the BEO4?ย Pressing transmit shows momentary change from 0.4V to about 1V
