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MLC 52 Series MediaLink Controllers • Serial Communication5-2
Serial Communication
The MLC 52 can be remotely configured via a host computer connected to the
front panel configuration port. Through this port, you can program the MLC’s
buttons with commands by using the Windows
®
-based configuration software
(MLC 52/DVCM 50 Configuration Program). You can also issue certain SIS
™
(Simple Instruction Set) commands through this port. The optional 9-pin D to
2.5 mm stereo mini TRS RS-232 configuration cable (part #70-335-01) can be used
for this connection.
The connector has the following pin assignments:
5
1
9
6
Sleeve (Gnd)
Ring
Tip
9-pin D Connection TRS Plug
Pin 2 Computer's RX line Tip
Pin 3 Computer's TX line Ring
Pin 5 Computer's signal ground Sleeve
RS-232 configuration cable pin assignments
The MLC 52 uses the following protocol:
9600 baud
8 bits
1 stop bit
Parity: none
Flow control: none
Using the MLC 52 Configuration Program
To perform advanced configuration tasks (e.g., setting button modes, updating
firmware, adding display device drivers), you must use the included Extron
Windows-based configuration software. Many items in the MLC 52
Configuration program are also accessible via front panel controls described in
chapter 3, “Operation.” Refer to that chapter for details on features and settings.
Some features are available only via this configuration program. The MediaLink
Help Program provides information on settings and on how to use the
configuration program itself.
To install and run the MLC 52 configuration software, ensure that your PC meets
the following system requirements:
• Microsoft
®
Windows 2000 or later
• Pentium III or better processor (or compatible)
• 32 MB free hard disk space
• Microsoft
®
Internet Explorer
©
4.0 or above
• 4x or higher CD-ROM player
• Minimum 1024 x 768 screen resolution
Extron’s Windows-based configuration software is provided on a CD, which is
packaged with the MLC. The program can also be downloaded from the Extron
Web site (http://www.extron.com). Install this software on your computer.