Runco VX-22i Installation/Operation Manual 33
PRELIMINARY
RS-232 Controller
Connection
Use a “null-modem” 9-pin RS-232 cable to connect a PC or home theater
control/automation system (if present) to the RS-232/485 port on the VX-22i; see Figure
3-15.
For more information about using this connection, refer to Serial Communications on
page 63.
Figure 3-15. RS-232 Control System Connection
WIRED REMOTE
WIRED REMOTE
Service port.
Not for user
access
to Automation/Control Systemor PC
123 4 5
78 9
6
5 Ground
3 Transmit Data
2 Receive Data
(none of the other pins are used)