User guide
HDBaseT 4x4 Matrix Switcher User Guide 19
RS232 control
Bi-directional RS232 to each connected HDBaseT receiver allows control of displays,
projectors, etc. at the receiver locations.
The default settings of the CM-4410-BT-70 are: baud rate = 9600, data bit = 8,
stop bit = 1, and parity bit = none.
Communication protocol: RS232 communication protocol
Baud rate: 9600 Data bit: 8 Stop bit: 1 Parity bit: none
Table 4: RS232 command types and codes
Command
Type
Command Code
Function
System
Command
/*Type;
Returns the switch model information.
/%Lock;
Locks the front panel buttons on the matrix switch.
/%Unlock;
Unlocks the front panel buttons on the matrix switch.
/^Version;
Returns the firmware version installed.
/:MessageOff;
Turn off the feedback command from the COM port. It
displays “switcher OK”.
/:MessageOn;
Turn on the feedback command from the com port.
Demo.
Puts the switch into 'Demo' mode.
The switch interval is 2 seconds.
Undo.
Cancels the prior command.
Operation
Command
[x]All.
Transfer signals from the input channel [x1] to all output
channels
All#.
Transfer all input signals to the corresponding output
channels respectively.
All$.
Switches off all the output channels.
[x]#.
Transfer signals from the input channel [x] to the output
channel [x].
[x]$.
Switches off the output channel [x].
[x1] V[x2].
Transfer the HDMI signal from the input channel [x1] to
the output channel [x2].
[x1] B[x2].
Transfer the HDMI and IR signals from the input channel
[x1] to the output channel [x2].
Status[x].
Returns the corresponding output channel to input x.