RS422
One end of the signal cable should be terminated to the surge suppressor terminal
block in the display labeled “IN RS422” (TB1).
Drawing A-88427
is an example of
the termination panel. The opposite end is terminated at the signal converter
(Daktronics part number 0A-1127-0237). Refer to
Drawing A-92681
shows an
example system riser using the RS422 signal termination.
Figure 19:
RS422 Signal Converter Connections
Signal Converter (J4/J5)
Field Cabling
Terminal Block (Data In)
Pin 1 (GND)
Red
Pin 1 (GND)
Pin 2 (RX-P)
Black
Pin 2 (TX-P)
Pin 3 (RX-N)
Brown
Pin 3 (TX-N)
Pin 4 (TX-P)
White
Pin 4 (RX-P)
Pin 5 (TX-N)
Blue
Pin 5 (RX-N)
Green
Pin 6 (GND)
Pin 6 (GND)
Shield (Bare)
N.C.
Electrical Installation
3-8