Wolf DCX-1000I - Manual (Page 101)

Wolf Cinema Owner's Manual B-1
a serial link of rS232 or rS422 enables aSCii communication with the projector so
that it can be controlled remotely from a PC or other controller. From a PC, connect
a standard nine-wire rS232 serial cable to the Rs232 In port. Or, for long-distance
(>100 ft.) links with an rS422-compatible PC or controller, connect rS422 cable to the
Rs422 port.
aPPenDIX b
seRIal COMMUnICaTIOns