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3.3
Elevator Controller Board
TX3-ER-8 Elevator
Restriction Unit
3.3.1
Connectors
USB. Computer connection for firmware download.
P1. Not normally used. Used for debugging purposes only.
P2. Not used.
Elevator Restriction System Installation and Operation Manual
Version 1.2
LT-9940
Copyright 2018
Figure 19.
Elevator Controller Board
Circuit Board Components
P6
P5
SW2
8
1
JW3
JW4 JW2
JW1 JW5
USB
RS-485 Terminals
P4
R
Res.
T
R
Co.
T
R
T
P3
16V AC
IN
ON OFF
SW1
31
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