Daktronics DF-1020 - Manual (Page 47)

DM-100 5-5
Controller
To operate the DataMaster
display using this setup, connect
the 9-pin to 9-pin cable from the
DataMaster controller to the 9-
pin j-box, and plug the
controller's wall pack transformer
into a 120 V AC outlet.
Figure 14: Wire Control from Building Location