VGA/Stereo Audio Matrix Switcher 8x8
PTN Electronics Limited www.PTN-electronics.com
9
7. Communication Protocol and Command Codes
Communication protocol:
RS232 Communication Protocol
Baud rate: 9600 Data bit: 8 Stop bit: 1 Parity bit: none
Command
Types
Command
Codes
Functions
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/*Type;
Inquire the models information.
/%Lock;
Lock the keyboard of the control panel on the
Matrix.
/%Unlock;
Unlock the keyboard of the control panel on the
Matrix.
/^Version;
Inquire the version of firmware
/:MessageOff;
Turn off the feedback command from the com port.
It will only show the
“switcher OK”.
/:MessageOn;
Turn on the feedback command from the com port.
Undo.
To cancel the previous operation.
Demo.
Switch to the
“demo” mode, 1->1, 2->2, 3->3 …
and so on.
[x1]All.
Transfer signals from the input channel [x1] to all
output channels
All#.
Transfer all input signals to the corresponding
output channels respectively.
All$.
Switch off all the output channels.
[x1]#.
Transfer signals from the input channel [x1] to the
output channel [x1].
[x1]$.
Switch off the output channel [x1].
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[x1] V[x2].
Transfer the video signals from the input channel
[x1] to the output channel [x2].
[x1]
V[x2],[x3],[x4].
Transfer the video signals from the input channel
[x1] to the output channels [x2], [x3] and [x4].
[x1] A[x2].
Transfer the audio signals from the input channel
[x1] to the output channel [x2].
[x1]
A[x2],[x3],[x4].
Transfer the audio signals from the input channel
[x1] to the output channels [x2], [x3] and [x4].
[x1] B[x2].
Transfer both the video and the audio signals from
the input channel [x1] to the output channel [x2].
[x1]
B[x2],[x3],[x4].
Transfer both the video and the audio signals from
the input channel [x1] to the output channels [x2],
[x3] and [x4].
Status[x1].
Inquire the input channel to the output channel
[x1].
