Extron Electronics GSS 100 User Guide - Manual (Page 23)

Programming
Guide
This section describes Simple Instruction Set operation of the GSS 100.
The rear panel RS-232 connector (see figure 16) can be connected to the serial port of a
host device, such as a computer or control system. Communications with the GSS are via the
Extron Simple Instruction Set (SIS).
5 1
9 6
RS-232 Function Pin
1
2
3
4
5
6
7
8
9 —
Tx
Rx
—
Gnd
—
—
—
—
Not used
Transmit data
Receive data
Not used
Signal ground
Not used
Not used
Not used
Not used
RS-232
Figure 16. Remote Connector Pinout
The baud rate for the rear panel RS-232 port can be set to a variety of different rates. The
default protocol for the port is as follows:
z z 9600 baud z no parity
z z 8-bit, 1 stop bit z no flow control
GSS 100 Graphic Still Store • Programming Guide 17