Extron electronic ISM 482 manual Programming Guide, RS-232 Link

Programming Guide

This section describes:

•RS-232 Link

•Ethernet Link

•Symbols

•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 26) 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.

9

REMOTE 422- 232/RS-RS 6

	Pin	RS-232	Function	RS-422	Function
	1	—	Not used	—	Not used
	2	TX	Transmit data	TX–	Transmit data (–)
5	3	RX	Receive data	RX–	Receive data (–)
	4	—	Not used	—	Not used
1	5	Gnd	Signal ground	Gnd	Signal ground
	6	—	Not used	—	Not used
	7	—	Not used	RX+	Receive data (+)
	8	—	Not used	TX+	Transmit data (+)
	9	—	Not used	—	Not used

Figure 26. Remote Connector Pin Arrangement

The protocol is 9600 baud, 8-bit, 1 stop bit, no parity, and no flow control.

ISM 482 Integrated Scaling Matrix Switcher • Programming Guide 31