Extron electronic MSG0808, MSG0804 manual Remote Control, Dip Switch Settings

Remote Control

Remote Control Port (RS-232/RS-422/RS-485)

The MSG Matrix Switcher RS-232/RS-422/RS-485 port connector is used to connect to a host or external controlling device, such as a computer or control system, which can generate the proper command codes and recognize the switcher’s responses.

Rx+

Rx-

Tx+

Rx+	5	1
Rx-

Tx+

Tx-

Tx-

Gnd	Gnd	9	6
	RS-232/422/485	DB9 Pinout (Female)
5-pole captive screw connector/socket		To control equipment

The RS-232/RS-422/RS-485 connector is a 5-pole, captive screw connector (see illustration above) with the following pin designations:

	Switcher	Computer
	Serial Port	DB-9 Serial Connector
	RX+	3 TX
RS-232	RX-	2 RX
	TX+
Connection
	TX-	5 GND
	GND
RS-422/485	RX+	2	TX+
	RX-	6	TX-
Full Duplex	TX+	3	RX+
Connection	TX-	7	RX-
	GND	5	GND
		1	GND

RS-485

Half Duplex

Connection

RX+	2	TX+
RX-	6	TX-
TX+	3	RX+
TX-	7	RX-
GND	5	GND
	1	GND

The default serial protocol is 9600 baud, 8-bit, 1 stop bit, no parity, and no flow control.

Commands and responses for programming the MSG Matrix Switcher from

ahost system connected to the RS-232/RS-422/RS-485 port are listed on the following pages.

Dip Switch Settings

Use the DIP switch bank in the back of the MSG switcher to configure the serial ports to operate as an RS-232 (factory default-all switches up) or RS-422/RS-485 (all switches down) interface. DIP switch settings change according to the standard used. Configure the DIP switch according to your requirements, based on the table below.

RS-232

1 2 3

RS-422/RS-485

ON (1)(Down)

OFF (0)(Up-Default)

5-2 MSG Matrix Switchers • Remote Control