Extron electronic MSX1616HR operation manual Serial Ports, RS-232/422/485 Connections

9

Serial Ports

The switcher features three serial ports that can accommodate RS-232, RS-422, and RS-485 connections.

Use serial port 1 to control the switcher using either a PC or a third-party control system.

Use serial ports 2 and 3 to control auxiliary devices with serial commands you store into the switcher.

RS-232/422/485 Connections

RS-232 Connection Diagram: Full Duplex RS-422/485 Connection Diagram:

Half Duplex RS-485 Connection Diagram:

DIP Switch Settings: Standard

DIP switch settings change according to the standard used. Higher standards require a different signal type. DIP switches make subtle adjustments to that signal type. Configure the DIP switch settings according to the following table.

Serial port #

1

2

3

RS-232

SW 1: 123 OFF

SW 1: 456 OFF

SW 2: 123 OFF

RS-422/RS-485

SW 1: 123 ON

SW 1: 456 ON

SW 2: 123 ON

The settings of the...

Control serial port #:

First three switches of DIP switch 1

Last three switches of DIP switch 1

First three switches of DIP switch 2

1

2

3

 2002 - INLINE, INC. MSX1616 OPERATION MANUAL - v1.0 5/8/02