DMP 44 LC • Setup Guide
The Extron DMP 44 LC Digital Matrix Processor is a compact 4x4 audio matrix processor featuring a digital signal processing
(DSP) platform for audio signal routing, processing, and control. The DMP 44 LC features four line level inputs and outputs, all
balanced or unbalanced. It offers several audio DSP tools for mixing, routing, and room optimization with quick and intuitive
configuration using the DSP Configurator™ Software.
NOTE: For full installation, configuration, and operation details, see the DMP 44 LC User Guide available at
INPUTS
OUTPUTS
DMP 44 LC
1
3
2
1
2
Rear Panel Features and Connections
7
RESET
POWER
12V
RS-232 DIGI IN
4
3
4
0.3A MAX
12 VDC power connector
Power/Reset LED
RS-232 connector
a
b
c
d
e
f
g
Tx Rx
1
2
3
Digital input connector
Reset button
Line input connectors (1 – 4)
Line output connectors (1 – 4)
3
4
1
2
5
6
Audio Input Wiring
Installing the DMP 44 LC
Tip
Ring
Sleeve
Tip
Sleeve
1. Disconnect power from all equipment.
2. (Optional) Mount the unit to a rack or furniture.
Balanced Input
Unbalanced Input
3. Connect the audio input. Connect up to four balanced or
unbalanced mono line level input devices to line input
connectors c above (see the wiring diagram on the right).
4. Connect the audio output. For balanced or unbalanced
Audio Output Wiring
Tip
Tip
NO Ground Here
Sleeve
Ring
Sleeve
audio output, connect up to four output devices to line output
Unbalanced Output
Balanced Output
connectors d above (see the wiring diagram on the right).
CAUTION
5. Connect a control device. Connect a host device, such as a
computer, to one of the following DMP 44 LC ports to
configure and control the DMP via Simple Instruction Set (SIS™)
commands.
For unbalanced audio, connect the
sleeve to the ground contact.
DO NOT connect the sleeve to the
negative (−) contacts.
Tx Rx
RS-232
•
RS-232 port (rear panel) — Connect a host device to the
Device
Bidirectional
Tx, Rx, and (ground) pins of this 6-pole captive screw
_
Transmit (Tx)
Receive (Rx)
Ground (
Transmit (Tx)
Receive (Rx)
connector (e). The default baud rate for this port is 38400 baud,
Do not tin
the wires!
1 stop bit, no parity, 8 data bits, and no flow control (see the
)
Ground (
)
wiring diagram on the right).
•
Config port (front panel) — Connect a USB cable (USB-A to
Mini-B) between a USB port on your computer and this
port (a on the front panel illustration shown on the right).
Digital input connector. Up to three
CONFIG
DMP 44 LC
DIGITAL MATRIX PROCESSOR
configurable input ports (see f on the
1
rear panel diagram) allow connection
Do not tin the wires!
to various digital devices including
motion detectors, alarms, buttons,
photo (light) sensors, and temperature
sensors. This connector shares a
_
1
2
3
RS-232 DIGI IN
ground pin with the RS-232 connector (see the wiring diagram above). Both the RS-232
and digital input connectors may be used simultaneously by using a 6-pin captive screw
connector with two wires sharing the same ground connector (see the diagram on the right).
Tx Rx
1
2
3
6. Reset button. The recessed reset button is used to access various modes of resets. The
green power LEDs on both the front and rear panels indicate the reset mode that was accessed.
The reset modes are detailed in the user guide.
7. Connect power to the DMP 44 LC by connecting the included 12 VDC external power supply
to the rear panel power connector (see
shown on the right.
. The wiring diagram is
a in the rear panel diagram)
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