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n RS-232 Insert — This port is used to connect an optional control device (such as an
MLC 226 IP or IP Link controller) to this port for bi-directional RS-232 communication
to a display device. This insert port is tied to the MLS 608 D digital and RS 232 output
ports,
h
.
The transmission pathway is from, for example, an MLC 226 IP bi-directional RS-232
port (labelled Display) to the MLS 608 D RS-232 Insert port
n
, out via the MLS 608 D
digital outputs (see
h
on page 12) to the MTP/HDMI U receiver input port (see
on page 17) and then out to the display device via the receiver's RS-232 port (see
on page 17).
Wire the MLC to the MLS 608 as shown below.
A B C D E
DISPLAY
RS-232/IR RS-232 12V
CM/IR/SCP
A B C D E
MLS PWR
AB
Tx/IR
Rx
GROUND
PWR SNS
GROUND
+12V OUT
Rx
Tx
GROUND
GROUND
+12V IN
+12V OUT
GROUND
CONT MOD
IR IN
SCP COM
NORMALLY OPEN
1 2
COMMON
COMMON
COMMON
GROUND
Tx/IR
Tx/IR
Tx/IR
GROUND
GROUND
A
RELAYS
IR/SERIAL OUT
3 4
B
5 6
C
A B C
MLC 226
Display port
DISPLAY
RS-232/IR
Tx/IR
Rx
GROUND
PWR SNS
GROUND
+12V OUT
Ground ( )
Receive (Rx)
Transmit (Tx)
RS-232 Insert
MLS 608 D rear panel
RS-232 Insert port
Tx Rx
N/A
N/A
MLC 226
Display port
MLS 608 D
RS-232 Insert port
MTP/HDMI U R
Input port
Display device
RS-232 port
RS-232
RS-232
RS-232
RS-232
Device pins
MTP/HDMI
RS-232
Pass-thru
port
Ground
Rx
Tx
Tx
Rx
1
BUFFERED OUTPUT
MTP
+
AUDIO
+12 V OUT
PWR OUT=
12W
2
3
6
LR
1
LR
2
LR
3
LR
5
LR
7
LR
8
12 12
MIC/LINE
+ 48V
1
2
LRLR
Tx
+12V
Rx
8
4 (MTP)
CONFIGURABLE ANALOG INPUTS
AUDIO INPUTS
AUDIO OUTPUTS
RS-232
HOST
PWR OUT = 7.2W
DIGITAL OUTPUT
VIDEO + RS-232
ANALOG OUTPUT
DIGITAL INPUTS
5
7
LR
6
Tx
N/A
N/A
Rx
RS-232 INSERT
MLS 608 D SA
100-240V 50/60 Hz
3.2A MAX
12
4/8 OHM - 20W x 2
DIGITAL OUTPUT
DIGITAL INPUT
POWER
12V
0.8A MAX
12
HDMI
RS-232
PASS THRU
Tx Rx
RGB
VID
Y/C
B-Y
Y
R-Y
ANALOG OUTPUTS
RS-232
Tx Rx
SPARE
MTP INPUT
1
MONO AUDIO
2
Figure 10. Wiring the MLS 608 D RS-232 Insert Port (showing RS-232 Flow
Path to the Display Device)
MLS 608 D Series • Rear Panel Connections 16