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Rear Panel Connections
50/60 Hz
L R
Tx
MIC/LINE
IN
ON
OFF
MIC
LINE
LEVEL
+48V
ON
1 2
HDMI
VIDEO
VGA/YUV
DVI-D
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
OUTPUT
1
2
L
1
2
1
2
1
2
1
2
1
2
1
2
3
3
1
2
L L
R
R
R
MIC/LINE
PROGRAM
AUDIO
OUT
Rx
RS-232
OUTPUT
100-240V 0.4A MAX
j k
s t u
a b c d f g h ie
l n o p q rm
Figure 3. MPS 409 Rear Panel
a
AC power — Connect to standard AC power: 100-240 VAC, at 50-60 Hz
b
VGA video input group — Two female 15-pin HD connectors for VGA input
(numbered 1 and 2). The connectors accept VGA or YUV signals. For YUV signals, red
color channels are used for R-Y (Pr), blue color channels are used for B-Y (Pb), and green
color channels are used for Y.
NOTE: The MPS 409 does not scale or convert video. The input signal format will also
be the output format.
c
VGA video output — One 15-pin HD connector with the selected VGA/YUV video
output.
d
VGA audio inputs — Two 3.5 mm stereo audio connectors corresponding to the
VGA video inputs. Each audio input can be adjusted from -18 dB to +24 dB.
Connecting the 3.5 mm mini-plugs
1. Use pre-made Extron 3.5 mm stereo audio cables (see www.extron.com),
or
cut bulk audio cable and solder a 3.5 mm mini-plug to the cable as shown.
Tip (+)
Sleeve ( )
Sleeve ( )
Ring
(R+)
Tip (L+)
RCA Connector
3.5 mm Stereo Plug Connector
(unbalanced)
Figure 4. 3.5 mm, Mini-Plug Audio Connector
2. Plug the connector into the MPS 409.
e
VGA audio output — One 3.5 mm stereo audio output connector with audio output
from the selected VGA input. Connect to the audio input of an audio amplifier. See
figure 4 above for wiring.
f
HDMI video input group — Three HDMI connectors for HDMI compliant video
input (numbered 1 through 3). Connect to any HDMI source device using standard
HDMI cable.
g
HDMI audio inputs — Three 3.5 mm stereo audio connectors corresponding to the
HDMI video input sources. See Figure 4 above for wiring.
h
Composite video input group — Two BNC connectors for composite video
(numbered 1 and 2) from any composite video source device.
i
Composite audio inputs — Four RCA connectors for two stereo audio inputs
corresponding to the two composite video sources.
MPS 409 • Installation 6