Extron electronic MVX 128 manual Enter Preset View ESC Rgbhv Audio

Selecting the RS-232/RS-422 protocol and baud rate

The switcher can support either RS-232 or RS-422 serial communication protocol, and operate at 9600, 19200, 38400, and 115200 baud rates. The settings of these variables can be viewed and changed from the front panel.

View and configure the switcher’s serial communications settings as follows:

1. To enter Serial Port Configuration mode, simultaneously press and hold all Control buttons (Enter, Preset, View, and Esc) (figure 3-54).

Press and hold the Enter, Preset, View, and Esc buttons.

CONTROL

ENTER PRESET VIEW ESC

= Lit LED, = Blinking LED

CONTROL I/O

ENTER PRESET VIEW ESC RGBHV AUDIO

All Control LEDs light with one flashing. Both I/O LEDs light with one flashing.

The flashing Control LED indicates the baud rate as follows:

Enter — 9600	Preset — 19200
View — 38400	Esc — 115200

The flashing I/O LED indicates the protocol as follows:

RGBHV — RS-232 Audio — RS-422

In this example, the port is set to RS-232 at 9600 baud.

Figure 3-54 — RS-232/RS-422 and baud rate display

2. Release the Control buttons.

3. To change a value, press and release the button that relates to the desired value (figure 3-55).

Press and release the button(s) to configure the port as follows:

Baud rate:
Enter — 9600	Preset — 19200
View — 38400	Esc — 115200
Serial protocol:
RGBHV — RS-232	Audio — RS-422

The selected LEDs blink and the others remain lit.

In this example, the port is set to RS-422 at 38400 baud.

CONTROL

I/O

ENTER PRESET VIEW ESC RGBHV AUDIO

= Lit LED, = Blinking LED

Figure 3-55 — RS-232/RS-422 and baud rate selection

MVX 128 A VGA Matrix Switchers • Operation 3-33