48 TX3 Telephone Access System Installation and Operation Manual Version 5.4
LT-969 Copyright 2019
4 Lobby Control Unit Setup
This chapter describes the Lobby Control Unit controller board components and
provides information about its operation and setup
This chapter explains
• Controller Board
• Modem Module
•IP Module
• RS-485 Add-on Module
• Guard Phone Module
•Guard Phone
• Controller ID Setup
• Configuration Using a PC
• Updating Firmware
• Beginning Configuration