Runco VX-22I operation manual RS-232 Controller, Connection

Use a “null-modem” 9-pin RS-232 cable to connect a PC or home theater	RS-232 Controller
control/automation system (if present) to the RS-232/485 port on the VX-22i; see Figure	Connection
3-15.
For more information about using this connection, refer to Serial Communications on
page 63.

to Automation/ Control System or PC

WIRED REMOTE

REMOTE WIRED

Service port. Not for user access

1 2 3 4 5

6 7 8 9

5 Ground

3 Transmit Data

2 Receive Data

(none of the other pins are used)

Figure 3-15. RS-232 Control System Connection

Runco VX-22i Installation/Operation Manual 33