VivoLink VLHUB121-MME - RS232 Command; Device Control

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18G 2x1 Presentation Switcher with Soft Codec and CEC

6.2 RS232 Command

Communication protocol: RS232 Communication Protocol

Baud rate: 9600 Data bit: 8 Stop bit: 1 Parity bit: none

Note:

 All commands needs to end with “<CR><LF>”.

 In the commands, “[”and “]” are symbols for easy reading and do not need to be

typed in actual operation.

 Type the command carefully, it is case-sensitive.

6.2.1 Device Control

Command

Function

Feedback Example

#GET_FIRMWARE_VER

SION

Get the firmware version.

@V1.0.0

#FACTORY_RESET

Factory reset.

@FACTORY_RESET

#REBOOT

System reboot

@REBOOT

#HELP

Get the command details.

Example: #HELP SET_AV

Feedback:

@SELECT VIDEO AND

AUDIO INPUT PORT

#SET_AV PARAM1

PARAM1=H,C

H - HDMI

C - TYPE-C