Kramer Electronics VS-3232A - Manual (Page 66)

Communication Protocols
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"L": Matrix Size and Level Names Inquiry
The command "L" requests that matrix size and level name information be returned to
the host
The command: ** L!!
returns the following string:
** L32,1,32,AUDIO~~ OK !!
indicating that the router consists 32 outputs, 1 level and 32 inputs and the level name
is AUDIO.
"O": Output Status Inquiry
The command "O" requests that matrix status information for a single output be
returned to the host.
The command: ** O12!!
returns the following string:
** Y12,23 !! if output 12 is connected to input 23, or
** Y12,- !! if output 12 is disconnected.
"S": Status Inquiry
The command "S" requests that matrix status information be returned to the host.
The command: ** S!!
returns the following string:
** Y1,1 Y2,4 Y3,- Y4,25 … …Y32,17 !!
indicating that output 1 is connected to input 1, output 2 connected to input 4, output 3
is disconnected, and so on for all 32 outputs.
"U": Automatic Output Change Reporting On/Off
The command "U" turns the automatic sending of output change reports on or off.
The command: ** U0!!
returns the following string:
** OK !!
indicating that automatic output change reporting is turned off
The command: **U1!! or U2 or U3
returns the following string:
** ERROR !!
indicating that the router does not support automatic output change reporting.
"Y": Connect AFV
The command "Y" is used to request that a connection be made on all levels. It must
be followed by an output number, a comma, and an input number.
The command: ** Y2,29!!
connects output 2 to input 29 and returns the following string:
** OK !!
indicating that the router performed the requested connection.
The command: ** Y2,17 Y32,- Y7,6!!
connects output 2 to input 17, disconnects output 32, connects output 7 to input 6 and
returns the following string:
** OK !!