Aten VM3404H [87/114] Serial control protocol commands

Aten VM3404H [87/114] Serial control protocol commands
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Chapter 5
RS-232 Commands
Serial Control Protocol Commands
The VM3404H / VM3909H’s built-in bi-directional RS-232 serial interface
allows system control through a high-end controller or PC. The RS-232
commands for the VM3404H and VM3909H are the same, with the only
difference being that the VM3909H has 5 additional ports.
RS232 Pin Assignment
Configuring the Serial Port
The controller’s serial port should be configured as follows:
Pin Description Pin Description
1 Not connected 6 Not connected
2 RXD 7 Not connected
3 TXD 8 Not connected
4 Not connected 9 Not connected
5GND
Baud Rate 19200
Data Bits 8
Parity None
Stop Bits 1
Flow Control None

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