# CAT5 Pinout

Pair 1
Blue        +5V
Blue/White  +5V

Pair 2
Orange      Ground
Orange/White Ground

Pair 3
Green       RS-485 A
Green/White RS-485 B

Pair 4
Brown       Ignition Sense
Brown/White Spare

Notes:

- Use twisted pair for RS-485
- Double conductors for power
- Spare conductor reserved for future use