Figure 77 Lobby Controller Board Connectors On Md-1086 - Bottom - Mircom TX3 Series Installation Manual
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Figure 77 shows the connectors at the bottom of MD-1086, the lobby
controller that has a 3-pin terminal block for the microphone. This board is
present in Touch Screen models that do not end in -C or -D, for instance TX3-
TOUCH-S15-B and TX3-TOUCH-S22.
Input 2 Input 3 Input 4
−
+
−
Microphone
Input 1
Connection
−
+
Speaker
Connection
Figure 77. Lobby controller board connectors on MD-1086 -
bottom
TX3 Touch Screen Installation Manual
+
−
+
−
+
RS-485 OUT
−
s +
−
+
−
+
Input 5
−
RS-485 IN
Touch Screen System and Setup
LED/LAMP
Supply
−
+
Power Supply for TX3
−
+
Camera Supply
s +
87
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