Touch Screen System and Setup
TX3 Touch Screen Installation Manual 81
3.5.1 Controller Boards
The 22” Touch Screen Panel contains the following components and controller
boards as shown in Figure 71:
• On/Off Switch
• USB Port for keyboard configuration
• Lobby Controller Board (also called Telephone Access controller board)
• PC Sub Compact Board
• Power Supply and Audio Mixer Board
To access the panel, unlock the door and swing it open.
To access the power and ground terminals, remove the nut and open the cover at
the bottom of the unit as shown in Figure 71.
Figure 71. Controller Board Panel for TX3-TOUCH-F22(-C/D) and
TX3-TOUCH-S22(-C/D)
On/Off Switch
PC Sub Compact
Board
Lobby
Controller
Telephone Line
Ethernet
Power Supply and
Audio Mixer Board
Postal Lock
On/Off
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