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£ Power amplifier output (MLS 608 D SA) — This
model has a 2x20 watt stereo power amplifier
Connect a suitable audio device for 2-channel stereo,
20 watts per channel, 4 or 8 ohm audio output.
Wire the connector as shown at right
§ Power amplifier output (MLS 608 D MA) — This
model has a 40 watt, 70 volt, mono power amplifier.
Connect a suitable audio device for mono audio,
40 watts, 70 volt audio output.
Wire the connector as shown at right.
NOTE: The MLS 608 D model has a variable preamp output with no power
amplifier.
m RS-232 control and +12 VDC power output — This port is used for configuration
and control of the MLS 608 via RS-232, and for powering the control device (such as
an optional MLC 226).
NOTE: The RS-232 control and +12 VDC power output port is always active,
regardless of the power save mode status.
RS-232 configuration — To configure the MLS 608, connect this 5-pin connector to
a PC or laptop that has DSP Configurator software installed on it.
Control via RS-232 — To control the MLS 608 via RS-232 after configuration is
complete, disconnect the PC or laptop and connect a MediaLink control system (such
as an MLC 226) to the RS-232 host port.
Default protocol: 38400 baud, 1 stop bit, 8 data bits, no flow control.
Wire the MLC to the MLS 608 as shown below.
RS-232
Host
Tx
Rx
MLS 608 D
rear panel
RS-232 Host
port
MLC's
MLS and
Power
ports
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
NOTE: If you use cable that has
a drain wire, tie the drain wire
to ground at both ends.
NOTE: You must connect a ground
wire between the MLC and MLS.
MLS 608 D SA
Rear Panel
MLC 226 IP
Bottom Panel
RS-232 12V
MLS PWR
A B
Rx
Tx
GROUND
GROUND
+12V IN
Ground ( )
Transmit (Tx)
B
Receive (Rx)
A
Transmit (Tx)
Receive (Rx)
B
A
Ground ( )
+12 VDC input
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
Figure 9. Wiring the MLS 608 D RS-232 Host Port to an MLC 226 IP
NC NC
To 70 V Speaker
5 mm
Captive Screw
12b
L
R
12a
To 4/8 Ohm
Speaker Load
5 mm
Captive Screw
MLS 608 D Series • Rear Panel Connections 15