Daktronics Galaxy AF-3200 Series, Manual

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If two (or more) primary displays are used, a 4-conductor shielded signal cable must
be used to connect between the display controllers. Strip 1/4" from the cable wires
and connect it at the “RS422 OUT” 6-position controller board terminal block (TB3)
in the first display, and terminate it to the “RS422 IN” 6-position controller board
terminal block (TB2) on the second display.
Note:
If a temperature sensor is also used, a separate cable must also be used to
connect between controllers. Appendix C explains the connections for a temperature
sensor.
Figure 17: RS422 Interconnection
RS422 Interconnection
Face A RS422 Out
(TB3) Field Cabling
Face B RS422 IN
(TB2)
Pin 1 (GND) Shield Pin 6 (GND)
Pin 2 (D2OUT-N) Red Pin 5 (D1IN-N)
Pin 3 (D2OUT-P) Black Pin 4 (D1IN-P)
Pin 4 (D2IN-N) Green Pin 3 (D1OUT-N)
Pin 5 (D2IN-P) White Pin 2 (D1OUT-P)
Pin 6 (Shield) Pin 1 (Shield)
Note: When not using the quick connect interconnect cable; cabling must be in
conduit between displays.
3.7 Optional Temperature Sensor
If you have an optional temperature sensor to be used with your display, see
Appendix C for mounting and signal connections.
Electrical Installation
3-7