Dual Lobby Control Units; Figure 19 Single Entrance System Wiring - Mircom TX3 Series Installation And Operation Manual

Figure 19 shows the various inputs to the panels.
Electrical room
N I P U T S
Fire panel Main Door
over-ride Sense
1 pair
22 AWG
1 pair
22 AWG
1 pair
22 AWG
General
Purpose Purpose
Input 2
Electrical room
Figure 19. Single Entrance System Wiring
3.3

Dual Lobby Control Units

Figure 20 shows a dual entry application for either an NSL type or ADC
connection type. The phone line from either the NSL control unit or an ADC
dedicated phone line is shared by both Lobby Control Units.
TX3 Telephone Access System Installation and Operation Manual
Version 5.4
LT-969 Copyright 2019
Telephone outlet
Centrl office line
T/R
Line1
Postal
Lock
1 pair
22 AWG
1 2
4 5
7 8
* 0
Lobby
Control Unit
1 pair
22 AWG
General
Input 1
RS-485
18 AWG
Power
Transformer
16VAC/40VA
PS-4 or PS-4P
NSL
Control
OR
Unit
T/R
1 pair
Door
Telephone
Strike AC
wire
or DC
1 pair
18 AWG
3
6
9
#
3 wires
22 AWG
General
purpose output 2
(Form C relay
contact)
18 AWG
Power
Transformer
AC or DC Door
Strike Supply
TX3 System
O U T P U T S
General
Aux Door
purpose output 1
Form C relay
(Form C relay
contact
contact)
1 pair
18 AWG
3 wires
22 AWG
1 pair
18 AWG
1 pair
18 AWG
LED Lamp
12 VDC/0.5A
Supply (only
Aux power
for paper
directory )
120 VAC
60HZ
41