4K HDBaseT
TM
Repeater
9
4.2.3 RS232 Command Format
①
Firstly, send the below command in Command Sending Area:
①
Fixed value.
②
The Unit ID of the VL120025,
X1=0~9/A~F
③
The RS232 port of VL120025, X2=1~3:
1: “RS232-1” port
2: “RS232-2” port
3: Both
“RS232-1” and “RS232-2”
ports
Note:
When the value of
“X1X2” is FF, send the command “
F1 AA 1F FF ... ...
” to control
all devices which are connected to RS232 ports of VL120025s and HDBaseT Receiver
at the same time.
RS232 Control Mode
Description
Point-to-Point
In this mode, control one of the devices which are connected
to RS232 ports of VL120025s.
For example:
F1 AA 1F 32
Send this command to control the device which is connected
to the “RS232-2” port of the VL120025whose Unit ID is 3.
One-to-Many
In this mode, control several devices which are connected to
RS232 ports of VL120025s.
For example:
F1 AA 1F 01 E3
Send this command to control three devices:
01:
The “01” represents the device which is connected
to the “RS232-1” port of the VL120025 whose Unit ID is
0.
E3:
The “E3” represents the two devices which are
connected
to both “RS232-1” and “RS232-2” ports of the
VL120025 whose Unit ID is E.
One-to-All
In this mode, control all devices which are connected to
RS232 ports of VL120025s and HDBaseT Receiver at the
same time.
For example:
F1 AA 1F FF
Note:
When control the two devices which are connected to both “RS232-1” and
“RS232-2” ports of the VL120025, it is normal that the feedback code may be garbled.
