Extron • Matrix 100 • User’s Manual
Appendix A • RS-232 Matrix Programmer’s Guide
Matrix-Initiated Communications Protocol
Sometimes, under abnormal conditions, the Matrix 100 may detect a situation
that must be reported to the Host. For example: Auxiliary power supply has
been activated, memory error, backup battery must be replaced etc. These
Matrix Reports are listed and explained later. They have the same general
command format as the Host-initiated commands, but no response is expected
from the host.
Timing
When Commands are sent to the Matrix 100 switcher, the response is delayed
due to normal processing time. The response time has two components: RS-
232 or RS-422 bus delay and Matrix 100 processing time. Matrix 100 processing
time is variable, depending on the length of the command and the matrix size.
Response time is usually less than 100 msec.
Command List (Host-to-Matrix)
Command Hex Page Description
CMD0 30 A-5 request status (requires SCMD)
CMD1 31 A-6 request System ID information (requires SCMD)
CMD2 32 A-7 turn power ON
CMD3 33 A-7 turn power OFF
CMD4 34 A-7 request software version
CMD5 35 A-9 set (tie) single connection
CMD7 37 A-9 set (tie) all connections
CMD8 38 A-10 request status and presets
CMD9 39 A-10 mute all planes
CMD10 3A A-10 save current as preset #
CMD11 3B A-10 load preset #
CMD12 3C A-11 mute selected outputs
CMD13 3D A-11 request Mute map
CMD25 49 A-12 set RGB delay (after sync, for clean switching)
CMD26 4A A-12 request RGB delay setting
SCMD = Subcommand, a second byte that further defines the Command.
Reports (Matrix-to-Host)
Command Hex Page Description
RPRT0 70 A-13 report status to host
RPRT1 71 A-13 report controlling port
Communication Control
Command Hex Description
CR 0D carriage return
EOT 04 end of transmission
STX 02 start of text
ETX 03 end of text
X-On 11 resume transmission
X-Off 13 interrupt transmission
A-4
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