User guide
OUTPUT
HDMI
 31
2
OUTPUT
1
 2
 3
100-240V ~ 0.2A
50/60 Hz
 21
OUTPUT
OUTPUT
VGA/YUV
DVI-D
1  2
OUTPUT
1  2
OUTPUT 21
LEVEL
MIC
+48V
LINE
ON
OFF
MIC/LINE
1
2
ON
+
-
+
-
-
+
RL
PROGRAM
AUDIO
OUT
MIC/LINE 
IN
RS-232
RxTx
OUTPUT
1
2
1 2 OUTPUT
VIDEO
L
R R
L
R
L
XPA 1002
1 2
LIMITER/PROTECT
SIGNAL
OVER
TEMP
DISPLAY
Extron
XPA 1002
Power
Amplier
Extron
SI 28
Surface-mount
Speakers
Extron
MPS 409
Digital Media 
Presentation 
Switcher
Microphone
Projector
Laptop
PC
with DVI Output
DVI
VGA
HDMI
Composite
Composite
RS-232
VGA
HDMI
DVI
Blu-ray Player
Document
Camera
Extron
MLC 226 IP
Figure 1. MPS 409 Application Diagram
•  +48V phantom microphone power — Powers a condenser microphone. 
•  Provides +5 VDC, 250 mA power on the HDMI and DVI outputs for external peripheral 
devices 
•  Internal universal power supply — The 100-240 VAC, 50-60 Hz, international power 
supply provides worldwide power compatibility.
MPS 409 • Introduction 3










