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ISS 408 Integrated Seamless Switcher • Programming Guide 33
Programming Guide
This section describes:
• RS-232 Link
• Ethernet Link
• Switcher-Initiated Messages
• Host-to-Switcher Instructions
• Switcher Error Responses
• Using the Command and Response Table
RS-232 Link
The switcher’s rear panel Remote port 9-pin D female connector (see figure 30) can be
connected to the RS-232 serial port output of a host device, such as a computer running
the HyperTerminal utility or a control system. This connection makes software control of the
switcher possible.
RS-232 FunctionPin
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
51
9
5
9
6
Female
Male
1
6
Figure 30. Remote Connector Pin Arrangement
The protocol is 9600 baud, 8-bit, 1 stop bit, no parity, and no flow control.