Host to switcher communications, Command/response table – Extron electronic 6400s User Manual
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Matrix 3200/6400 Series • Programmer’s Guide
Host to Switcher Communications
The Matrix 6400 Audio Switcher accepts both Simple Instruction Set and Advanced
Instruction Set Commands through the RS-232/RS-422 port. Simple Instruction Set
(SIS) commands may consist of one or more characters per command field and do
not require any special characters to begin or end the command character sequence.
Switcher responses to SIS commands all end with a carriage return and a line feed
(CR/LF). An Advanced Instruction Set (AIS) command field begins with an Escape
character and ends with a carriage return, line feed is optional (the Switcher
Response to an AIS command always ends with a CR/LF).
When the Matrix 6400 Audio Switcher receives a command (SIS or AIS) and
determines that it is valid, it will execute the command and send a response back to
the controlling (Host) device. If the Matrix 6400 Audio Switcher is unable to execute
the command because it is invalid or contains invalid parameters, it will return an
error response to the Host. The error response is coded to help identify the cause of
the error. Error code responses are defined on Page 4-9.
When a Matrix 6400 Audio Switcher local event takes place, such as a Front Panel
operation, the switcher responds by sending a message to the Host. These switcher
initiated messages are listed on Page 4-9. The switcher does not expect a response
from the host, but, for example, the host program may want to request new status.
Command/Response Table
The Command/Response Table begins on the following page. Lower case
characters are acceptable in the command field only where indicated. Symbols are
used throughout the table to represent variables in the Command/Response fields.
Symbol definitions are shown at the beginning of the table as is an ASCII to
Hexadecimal (HEX) conversion table. Error Response codes and switcher generated
Unsolicited Responses are shown at the end of the table. Command and/or
Response examples are shown throughout the table. Name fields are 12
alphanumeric characters 0 - 9, A - Z (upper and lower case) including “+/-:=” and
space.
Commands are split into two groups which are identified by page headers. The two
groups are “Simple Instruction Set Commands” and “Advanced Instruction Set and
Simple Instruction Set Commands”.
Figure 4-2.A Host computer controls Matrix 3200/6400 System
Presentation
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Video Conference
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Training
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