Figure 11 Single Lobby Control Unit With Adc And Nsl Lines - Mircom TX3 Series Installation And Operation Manual

Figure 11 shows a configuration using one Lobby Control Unit connected to one
ADC line and four NSL lines.
Figure 11.
TX3 Telephone Access System Installation and Operation Manual
30
Telephone outlet
Central office line
NSL
Control
Unit
T/R
T/R
Line2
Line1
Single Lobby Control Unit with ADC and NSL Lines
NSL NSL
Control Control
Unit Unit
T/R T/R
Line4
Line3
Line5
1 2 3
4 5 6
7 8 9
* 0 # i
TX3 System
NSL
Control
Unit
T/R