Unitedlink UniSign-4813A, Manual

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2. Electrical Specifications
2.1 Electrical Characteristics
Parameter Symbol
Value
Unit Note
Min. Typ. Max
Power Input Voltage
V
LCD
24 V
Power Input Current
I
LCD
5 A
2.2 Connecter Pin Assignment
2.3.1 RS-232
Communication Setting :
-Baud Rate Select : 9600bps(fixed)
-Data bits : 8bits(fixed)
-Parity : None(fixed)
-Stop Bits : 1(fixed)
Pin No. Function
1 NC
2 Receive data (RD)
3 Transmit data (TD)
4 NC
5 Ground
6 NC
7 NC
8 NC
9 NC