Mircom TX3 Series - Figure 16 Single Lobby Control Unit with ADC and NSL Lines

TX3 System
Version 3.7 Telephone Access System Installation and Operation Manual 39 (119)
LT-969 Copyright January 2017
Figure 16 shows a configuration using one Lobby Control Unit connected to one
ADC line and four NSL lines.
Figure 16. Single Lobby Control Unit with ADC and NSL Lines
Line2
Line3
Line4
Line5
NSL
Control
Unit
NSL
Control
Unit
NSL
Control
Unit
NSL
Control
Unit
1 2 3
4 5 6
7 8 9

* 0 # i
Line1
Telephone outlet
Central office line
T/R
T/R
T/R T/R
T/R