What are the RS485 BUS connections on an IPassan Controller?

This article tells you what the RS485 BUS connection terminals are on the 4 Door Base Controllers for IPassan and where to find them.

It’s possible to network 4 Door Base Controllers using the RS485 BUS connections. There are 2 RS485 BUS connection terminals, these are:

1. RS485 Main
2. RS485 Main

Watch the video below to see where they are on the IPassan controller.