MX4x4DVI-DL
User’s Manual
Page 17 / 43
3. RS 232 / 422 control
RS232 / RS422 ports
MX 8x8 DVI can be ordered with either RS232 or RS422 communication port. The
port settings are done in the factory. D-sub connector pin assignments can be
found on chapter 1.
Changing and viewing protocols
MX4x4DVI and MX4x4DVI-DL is equipped with multiple router protocols.
1. Switch the router in TAKE mode if used prevoiously in AUTOTAKE mode by
pressing TAKE button for 2 seconds. ( TAKE will not light continuously)
2. Press and release Control Lock ( Control Lock button lights in red colour
continuously)
3. Press and keep pressed Output Lock button. Now one of the source buttons
will light up ( view protocol)
If Source#1 button lights: Lightware protocol is active
If Source#2 button lights: Protocol#2 is active
4. During Output Lock pressed, press the desired Source button, accordingly to
the new protocol. The desired Source button starts blinking, and then the
router lights up all buttons for 4 seconds. Now the new protocol is active.
Port settings:
The device uses standard RS-232 interface with the following settings:
9600 Baud
8 data bit
1 stop bit
no parity
null modem cable
The matrices accept commands surrounded by curly brackets - { } - and responses
surrounded by round brackets - ( ) - only if a command was successfully executed.
Input, output numbers and values must be sent as two digit ASCII numbers.
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