Controller Board Connectors - Bottom; Figure 29 Controller Board Connectors On Md-1245 - Bottom - Mircom TX3 Series Installation And Operation Manual

JW11:
•
•
MC-001 microphone
JW11 on or closed
Figure 28
4.2

Controller Board Connectors - Bottom

Figure 29 shows the connectors at the bottom of MD-1245, the lobby controller
that has a 4-pin terminal block for the microphone. This board is present in
models ending in -C.
Unused
White
MD-1243 Microphone
Connection
Figure 29. Controller Board Connectors on MD-1245 - Bottom
TX3 Telephone Access System Installation and Operation Manual
Version 5.4
LT-969 Copyright 2019
If the panel has the MC-001 microphone, close JW11.
If the panel has the MC-012 or MD-1243 microphone, open JW11 (this is
the default setting).
Microphones and JW11
Input 3
- +
Input 2 Input 4
Speaker - -
+
Connection
+ -
Unused
Unused
- +
Input 1 Input 5
Red Black
MC-012 microphone
JW11 off or open
RS-485 OUT
- s +
LED/LAMP
Supply
+ + -
- +
- +
Camera Supply
- s +
RS-485 IN
Lobby Control Unit Setup
MD-1243 microphone
JW11 off or open
Power Supply for TX3
(use 18 AWG)
51