Making a Honeywell Panel Work With Alarm.com
How to Install the Alarm.com SEM Module?

How to Install the Alarm.com SEM Module?

Today we’re going to be installing an alarm.com sem or system enhancement module into a honeywell vista wired security system this includes honeywell vista 10p 15p 20p and 21ip as long as the panel is from 2005 and above with a visita 21ip you just need to move the jumper disabling internal communicators which we