DVI /Audio Matrix Switcher 8x8
PTN Electronics Limited
10
www.PTN-electronics.com
blank for 3 seconds and recover again. And, the MDV matrix switcher will send
out the RS232 feedback command.
3)
If all these symbols works, it means the action is taken.
7.2.2. EDID hand-shake priority
The EDID refresh ports have the priority grade, ranging from output 1 to output 8 in
priority order. It means the output 1 is the most prior to exchange the EDID data, and
then the output 2 is the second prior. And, the output 8 is the least prior.
8. 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
/:Message
Off;
Turn off the feedback command from the com port. It
will only show the “SWITCH OK”.
/:Message
On;
Turn on the feedback command from the com port.
EDIDMInit.
Recover the factory default EDID data
EDIDM[X]
B[Y].
Manually EDID switching. Copy the EDID data of
output[X] to the input[Y].
EDIDG[x]
Get the EDID data from the output port, and display the
corresponding input port of output port x.
Undo.
To cancel the previous operation.
Demo.
Switch to
demo
mode, 1->1, 2->2, 3-
>3 … and so on.
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[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].
[x1] V[x2].
Transfer the video signals from the input channel [x1]
to the output channel [x2].