Daktronics G-100-7.6-R - Manual (Page 17)

3.3 Computer to Sign
3.3.1 RS/232 System
Reference Drawing: System Riser Diagram; RS/232 ......... Drawing A-91388
Shop Dwg, G-***-2-7x***-2.1 .............. Drawing A-94764
Shop Dwg, G-***-3-7x***-2.1 .............. Drawing A-94765
Shop Dwg, G-***-4-7x***-2.1 .............. Drawing A-94766
Shop Dwg, G-***-5-7x***-2.1 .............. Drawing A-94767
Shop Dwg, G-***-6-7x***-2.1 .............. Drawing A-94768
A RS/232 system
connects the first sign
directly to the computer
with an adapter cable.
The adapter cable comes
with both a 9 pin and a
25 pin connector.
Figure 8: Input Signal Cable Connection
1. Plug the 9 pin or 25
pin connector
(depending on your
PC) to the PC’s
RS/232 serial COM
port.
2. Plug one end of the phone cable into the adapter and the opposite end into the
“RS/232 IN" jack on the rear of the display (refer to Figure 8).
The “RS/232 IN” jack’s pin out is as follows:
Pin Function
1 RTS_OUT-P
2 RESET_OUT-P
3 TX_OUT-N
4 GND-N
5 RX_IN-N
6 DCD_IN-P
3.3.2 RS/422 System
Reference Drawing: System Riser Diagram; RS/422 ......... Drawing A-91387
Shop Dwg, G-***-2-7x***-2.1 .............. Drawing A-94764
Shop Dwg, G-***-3-7x***-2.1 .............. Drawing A-94765
Shop Dwg, G-***-4-7x***-2.1 .............. Drawing A-94766
Shop Dwg, G-***-5-7x***-2.1 .............. Drawing A-94767
Shop Dwg, G-***-6-7x***-2.1 .............. Drawing A-94768
A RS/422 system requires a signal converter to connect the first sign to the computer.
1. Plug the serial cable’s 25 pin connector into the signal converter as shown in
Figure 8.
2. Plug either the 9 pin or the 25 pin connector (depending on your PC) into the
RS/232 COM port to be used.
Electrical Installation
3-3