Mircom TX3-200-4U-C - Figure 11 Single Lobby Control Unit with ADC and NSL Lines

30 TX3 Telephone Access System Installation and Operation Manual
TX3 System
Figure 11 shows a configuration using one Lobby Control Unit connected to one
ADC line and four NSL lines.
Figure 11. 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