Extron electronic ISM 482 Programming Guide, RS-232 Link, Using the Command and Response Table

Models: ISM 482

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Programming Guide

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 •RS-232 Link

REMOTE 422- 232/RS-RS 6 •Host-to-Switcher Instructions

 

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

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Extron electronic ISM 482 manual Programming Guide, RS-232 Link Ethernet Link Symbols Switcher-Initiated Messages