Daktronics AF-3197-89-RGB - Manual (Page 32)

Figure 21: RS232 Display Layout
J-Box to Controller Board
Figure 22: RS232 Controller Board
J-Box
Field Cabling
Controller Board
TB1 (RS232 In)
Pin 1 (TX-P) Black Pin 5 (RX-1)
Pin 2 (RX-P) Clear/Red Pin 3 (TX-1)
Pin 3 (GND) Shield Pin 4 (GND-N)
Electrical Installation 3-10