Niles Audio MSU140 User Manual
INSTALLATION & OPERATION GUIDE
MSU140
MSU140
INFRARED MAIN SYSTEM UNIT
B LENDING H IGH F IDELITY AND A RCHITECTURE
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MSU140
Infrared Main
System Unit
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TABLE OF CONTENTS
Introduction 1
Features and
Benefits 2
MSU140 Parts
Guide 4
Installation
Considerations 5
Installation 8
Testing the
IR Extender
System 11
Power Status 13
Trouble-
Shooting 15
Specifications 17
Contents 17
Addendum 18
Introduction
An infrared (IR) extender system enables you to control
your IR remote controlled A/V equipment from a remote
location. This enables you to place your A/V components
out of sight (behind cabinet doors, in the rear of a room, or
in a different room) and still conveniently operate your
equipment.
Installed at the equipment location, the MSU140 receives
the IR commands transmitted from your existing handheld remotes in that room. The commands are carried via a
small category 5 cable to your A/V equipment in another
room, and instantly “repeated”.
The MSU140 is compatible with all current Niles infrared
systems. It may be used along with the Niles TS100, MS100,
MS200, WS100, MVC100IR and CS100 IR sensors or the
IntelliPad
The model MSU140 is an IR Main System Unit. It is one of
three elements that make up an infrared extender system:
• IR Main System Unit—Models MSU140, MSU250,
• IR Sensors/Keypads—Models WS100, TS100, MS100,
• IR Flashers—Models MF1, MF2, MF1VF, MF2VF.
An IR sensor expansion hub, Model IRH610, is available to
provide additional sensor inputs to your system.
®
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MSU480 and MSU440Z.
MS200, CS100, IntelliPad, MVC100IR.
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Features and Benefits
The MSU140 offers a number of improvements over other
IR Extender Main System Units:
• Universal system—compatible with virtually all brands
of A/V equipment and remote controls.
• Accommodates one IR sensor or keypad.
• Provides four flasher outputs via convenient 3.5mm
jacks.
• System feedback LED confirms operation.
• 3-30V AC/DC status input. Provides system status to connected sensors and keypads.
• Expandable—an IRH610 IR expansion hub can be used
to provide additional inputs.
• Printed circuit board design assures high reliability.
• Low profile and small footprint with integrated mounting wings that allow for both horizontal and vertical
installation.
• UL listed regulated in-line power supply with universal
voltage capability.
• Two year parts and labor warranty.
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12V DC power supply
(supplied with the
MSU140 Main
System Unit) plugged
into an unswitched
AC outlet powers
the system
POWER
+12V DC
Figure 1
Connecting the WS100 to a Niles MSU140
Main System Unit broadcasting a status
feedback signal.
In a typical system, the MSU140 provides
for the connection for one remote room
sensor (or keypad) and will control multiple
audio/video components via its flasher
connections.
Niles IR
Flasher
1234
FLASHER OUTPUTS
INPUT 1
MSU140
IR MAIN SYSTEM UNIT
3-30V
AC/DC
STATUS
IN
MSU140
Power, IR data, status signal and ground
via category 5 wire
Stereo Receiver
3-30V AC/ DC power supply
(Not Supplied) plugged
into the switched outlet
Niles Stock # FG01035
WS100 IR Sensor
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MSU140 Parts Guide
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13
POWER
+12V DC
1234
FLASHER OUTPUTS
1. 12V DC Jack – Provides 12 volt DC power to
MSU via a regulated power supply.
2. IR Flasher Outputs – 3.5mm jacks provide out-
put for either single or dual (MF1, MF2,
MF1VF, MF2VF) low-level flashers.
3. 3-30V AC/DC Status – 3.5mm jack provides
system status to sensors/ keypads via a 12 volt
power supply attached to a switched outlet on
the system receiver or a 12V trigger output.
2
IR MAIN SYSTEM UNIT
INPUT 1
MSU140
3-30V
AC/DC
STATUS
IN
4
5
4. Status/ IR Confirmation LED – This LED
performs two functions: (1) it provides a
visible indication of system status via a green
LED and (2) confirms the reception of IR data
via a blinking blue LED.
5. Sensor Input – Removable quick connect
sensor plug for connection of IR sensors
(WS100, TS100, MS100, MS200, CS100
MVC100IR and the IntelliPad) to the system.
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POWER
+12V DC
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IMPORTANT
Do not place the
MSU140 on top
of or directly
behind a television
set. Some
television sets
produce intense
electromagnetic
interference which
may disable
your IR extender
system.
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Installation Considerations
Placement of the MSU140
Place the MSU140 conveniently close to the equipment it
will be controlling. Generally, the unit is placed in a concealed location because its controls and indicators are only
used during installation. Placement possibilities include:
1) Table-top (on the shelf behind the equipment)
See Figure 2.
2) Wall-mount (affixed to the back of the equipment
cabinet or a nearby wall). See Figure 3.
1234
3-30V
AC/DC
MSU140 Base
STATUS
IN
MSU140
Self-Adhesive
Rubber Feet
Figure 2: Table-top placement
Affix the enclosed self-adhesive
rubber feet to the base of the MSU140.
FLASHER OUTPUTS
IR MAIN SYSTEM UNIT
INPUT 1
POWER
+12V DC
Figure 3: Wall-mount placement
Use sheetrock screws
5
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