Honeywell Ademco 4100SM Serial Interface Module

Hi, DIYers. Joe here from Alarm Grid. And today, we're going to talk about converting wired to wireless devices on your Vista security system. Now, we have our 21iP set up right here. And as you can see, there's terminals on the bottom of the board. The system itself can support up to eight hardwired zones. You can add in additional hardwired zones with 4219 zone expanders. Those connect to the ECP bus on the board, which is this right here. That's where the keypads also connect. And that lets you add in additional hardwired zones. Now, you could also add in wireless zones to the Vista system using Honeywell 5800 wireless devices. You'll need to add in a receiver or a transceiver to do that, which we're going to get to in a moment. And there's also ways to convert wired devices to wireless, and then back to the system itself. There's a bunch of different instances where this is useful o