Extron RGB 302/304 Universal Interface • User’s Manual
Page A-1
Appendix A • Programmer’s Guide
Remote Control Port (RS-232)
The RGB 302/304 RS-232 port connector, shown
below, is used to connect to a host or external
controlling device, such as a computer or control
system which can generate the proper command
codes and recognize the RGB 302/304 responses.
The RS-232 connector is a 9-pin D female with the
following pin designations:
Pin
RS-232
Usage
1
—
No connection
2
Tx
Transmit Data
3
Rx
Receive Data
4
—
No connection
5
Gnd
Signal Ground
6
—
No connection
7
—
No connection
8
—
No connection
9
—
No connection
Commands and responses for programming the
RGB 302/304 Interface from a Host system connected
to the RS-232 port are listed on the next page.
The RS-232 protocol is 9600 baud, 8-bit, 1 stop bit and
no parity.
RS-232
6
9
1
5
im Vertrieb von
CAMBOARD Electronics
www.camboard.de
Tel. 07131 911201
Fax 07131 911203