Mircom TX3 Series - Figure 76 Lobby Controller Board Connectors on MD-1245 - Bottom

86 TX3 Touch Screen Installation Manual
Touch Screen System and Setup
Figure 76 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 and -D, and also in TX3-TOUCH-S15B-WR and
TX3-TOUCH-S15S-WR.
Figure 76. Lobby controller board connectors on MD-1245 -
bottom
LED/LAMP
Supply
Input 1
Input 3
Input 5
Camera Supply
Power Supply for TX
3
RS-485 OUT
+
+
s
RS-485 IN
+
+
+
+
Speaker
Connection
White
Microphone
Connection
Red Black
+
+
Input 2 Input 4
Unused
Unused
Unused
Sheild
+−−
−−
−
−
−
s+−
−
−