Mircom TX3 Series - Single Lobby Control Unit; Figure 15 Single Lobby Control Unit

38 (119) Telephone Access System Installation and Operation Manual Version 3.7
LT-969 Copyright January 2017
TX3 System
3.2 Single Lobby Control Unit
Figure 15 shows the simplest configuration.
Figure 15. Single Lobby Control Unit
Line1
NSL
Control
Unit
1 2 3
4 5 6
7 8 9

* 0 # i
T/R
1 2 3
4 5 6
7 8 9

* 0 # i
Line1
Telephone outlet
Central office line
OR