Vista 15P - 20P Wiring

Wiring Guide

From M2M Device → Vista 15P or 20P

Red Wire (Power +) - Terminal 5

Black Wire (Ground -) - Terminal 4

Green Wire (Ring R) - Terminal 24

Yellow Wire (Tip T) Terminal 23

For In-App Control:

White Wire (Data) - Terminal 6

Orange Wire (Data) - Terminal 7

Wiring an M2M 

For More Info Follow the guide here
https://turbifycdn.com/ty/cdn/yhst-51756635596032/mn02-lte-m-m2m-services-how-to-wiring-programming-mini-cellular-alarm-communicator-to-honeywell-vista-15p-20p-panel.pdf