Owner's manual

12
RS-232 Serial Interface
The GHSW8242’s built-in bi-directional RS-232 serial interface allows system control through a
high-end controller, PC, and/or home automation / home theater software package.
Conguring the Serial Port
The controller’s serial port should be congured as follows:
Switch Port Commands
The formulas for Switch Port commands are as follows:
The table to the right show the possible
values and formats for the Input command,
Port Number and Control:
1. Switch Command + Input Command +
Port number [Enter]
For example, to switch input port to port
02, type the following:
sw i02 [Enter]
2. Switch Command + Control [Enter]
For example, to switch to the next port,
input the following:
sw + [Enter]
Baud Rate 19200
Data Bits 8
Parity None
Stop Bits 1
Flow Control None
Note:
1. Each command string can be separated
with a space.
2. The Port Number command string can
be skipped, and the default value will be
used.
Command Description
sw Switch command
Input Command Description
i Input command
Port Number Description
xx 01-04 port (default is 01)
Control Description
on Turn on the display
off Turn off the display
+ Next port
- Previous port
The following table shows the available command list:
Command Input Port Control Enter Description
sw i xx [Enter] Switch Input Port
sw
on [Enter] Turn on (Display out)
off [Enter] Turn off (No output)
sw
+ [Enter] Switch to the next input
- [Enter] Switch to the previous input
RS-232 Serial Interface