Mircom TX3 Series Manuale di Installazione Pagina 48

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Telephone Access System Installation and Operation Manual
Version 3.2
LT-969 Copyright 2015
Lobby Control Unit Setup
4.2 Controller Board Connectors - Bottom
Figure 26 shows the connectors at the bottom of the controller board.
Figure 26.Controller Board Connectors - Bottom
4.2.1 Microphone Connection
The microphone connection is situated at the bottom left of the main controller
board. It connects to the front display and is factory set.
4.2.2 Speaker Connection
The speaker connection is situated at the bottom left of the main controller board.
It connects to the front display and is factory set.
4.2.3 Inputs 1 to 5
Inputs 1 to 5 are situated at the bottom of the main controller board and are
assigned specific functions. Inputs 1 to 3 have pre-defined functions and connect
to specific devices. Inputs 4 and 5 are general purpose inputs that can be
correlated to activate a general purpose output.
LED/LAMP
Supply
Microphone
Connection
Speaker
Connection
Input 1
Input 2 Input 3 Input 4
Input 5
Camera Supply
Power Supply for TX3
(use 18 AWG)
RS-485 OUT
- +
- +
- s +
RS-485 IN
- s +
- +
- +
+--++-
+-
+-
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