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4.3
Controller Board Connectors - Top
Figure 34 shows the connectors at the top of the controller board.
Figure 34. Controller Board Connectors - Top
4.3.1
Telephone Lines 1 to 5
The telephone lines are situated at the top left of the main controller board.
Both NSL and ADC lines can be connected. Each T/R line is polarity insensitive
and can be reversed.
Note:
TX3 Telephone Access System Installation and Operation Manual
Version 5.4
LT-969
Copyright 2019
Line 1
Line 5
T
R
T
R
Unused
JW8
T
R
T
R
T
R
Line 2
Line 3
Line 4
Non-configurable PBX systems are not supported. For more
information, contact technical support at Mircom.
Lobby Control Unit Setup
General Relay
Output 4
NC C NO
DC Output 1
Door Strike
AC
Door Strike
+
-
Unused
AC or DC
Input Door
Strike Supply
NC C NO
Aux. Door
Output 2
Relay
NC C NO
General Relay
Output 3
57
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