root
403 B
403 B
UART CAT5 Pinout
Pair 1
Blue +5V Blue/White +5V
Pair 2
Orange Ground Orange/White Ground
Pair 3
Green Pico TX -> ESP32 RX Green/White Pico RX <- ESP32 TX
Pair 4
Brown Ignition Sense Brown/White Spare
Notes
- Double conductors used for power
- Shared ground required
- Spare conductor reserved for future use
- Pair 3 may later be repurposed for RS-485