More info:
https://github.com/xane256/LTN-Logistic-Provider/tree/main
> Green wires: Input positive signals to request items. LTN demand is reduced by contents of memory cell that tracks previous deliveries. Use "R" to reset memory cell.
> Red wires: Input positive signals to request items. LTN demand is reduced by contents of logistics network.
> The 2 sets of requests are independent