Niles MSU250 Leitfaden
MSU250
INFRARED MAIN SYSTEM UNIT
MSU250
BLENDING HIGH FIDELITY AND ARCHITECTURE®
INSTALLATION & OPERATION GUIDE
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TABLE OF CONTENTS
Introduction 1
Features and
Benefits 2
MSU250 Parts
Guide 4
Installation
Considerations 5
Installation 8
Testing the
IR Extender
System 11
Power Status 13
Trouble-
Shooting 16
Specifications 19
Contents 19
Addendum 20
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NFRARED MAIN SYSTEM UNIT
MSU250
Infrared Main
System Unit
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 MSU250 receives the
IR commands transmitted from your existing hand-held
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 MSU250 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 MSU250 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,
MSU480 and MSU440Z.
• IR Sensors/Keypads—Models WS100, TS100, MS100,
MS200, CS100, MVC100IR and the IntelliPad.
• IR Flashers—Models MF1, MF2, MF1VF, MF2VF and
the IRB1.
An IR sensor expansion unit, Model IRH610, is available for
IR repeater systems used in more than six rooms.
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NFRARED MAIN SYSTEM UNIT
Features and Benefits
The MSU250 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 two IR sensors or keypads.
• Provides five flasher outputs via convenient 3.5mm jacks.
• System feedback LED confirms operation.
• 12VDC Output—This is useful for triggering external
devices and system automation.
• 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.
•2x variable flasher out (4 + 5).
• 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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3
3-30V
AC/DC
STATUS
IN
I
NFRARED MAIN SYSTEM UNIT
Niles IR
Flasher
MSU250
WS100 IR Sensor
Power, IR data, status signal and ground
via category 5 wire
Stereo Receiver
12VDC power supply
(supplied with the
MSU250 Main
System Unit) plugged
into an unswitched
AC outlet powers
the system
12VDC power supply
(Not Supplied) plugged
into the switched outlet
Niles stock#FG00665
Figure 1
Connecting the WS100 to a Niles MSU250
Main System Unit broadcasting a status
feedback signal.
In a typical system, the MSU250 provides
for the connection for two remote room
sensors (or keypads) and will control multi-
ple audio/video components via its flasher
connections.
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3-30V
AC/DC
STATUS
IN
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NFRARED MAIN SYSTEM UNIT
MSU250 Parts Guide
1. 12VDC Jack – Provides 12 volt DC power to MSU
via a regulated power supply.
2. IR Flasher Outputs – 3.5mm jacks provide output
for either single or dual (MF1, MF1VF, MF2,
MF2VF) low-level flashers.
3. 3-30V AC/DC Status – 3.5mm jack provides
system status to sensors/ keypads via a 12V
power supply attached to a switched outlet on
the system receiver or a 12V trigger output.
4. 12V Output – When 12 volts is detected at the
status jack (#3) the 12V output jack will output
12V/200mA DC. This is useful for triggering
external devices and system automation.
5. 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.
6. Flasher Hi/Lo switch – Setting these switches to
the appropriate position allows you to connect
either a high output flooding flasher (IRB1) or
low output microflashers (MF1, MF1VF, MF2,
MF2VF).
7. Sensor Input – Removable quick connect sensor
plug for connection of IR sensors to the system.
13
7
4
2
65
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Installation Considerations
Placement of the MSU250
Place the MSU250 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 dur-
ing installation. Placement possibilities include:
1) Table-top (on the floor or shelf behind the equipment)
(Figure 2).
2) Wall-mount (affixed to the back of the equipment cabinet
or a nearby wall) (Figure 3).
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I
NFRARED MAIN SYSTEM UNIT
IMPORTANT
Do not place the
MSU250 on top of
or directly behind
a television set.
Some television
sets produce
intense electro-
magnetic interfer-
ence which may
disable your IR
extender system.
Figure 2: Table-top placement
Affix the enclosed self-adhesive
rubber feet to the base of the MSU250.
Self-Adhesive
Rubber Feet
123
POWER
+12V DC FLASHER OUTPUTS
MSU
IR MAIN SYSTEM UNIT
INPUT 1
Figure 3: Wall-mount placement
Use sheetrock screws.
1234
POWER
+12V DC
3-30V
AC/DC
STATUS
IN
FLASHER OUTPUTS
MSU140
IR MAIN SYSTEM UNIT
INPUT 1
MSU250 Base
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Wiring
From every IR Sensor location you must “home-run” a
category 5 cable back to the MSU250. Home run means that
an individual cable is connected between each IR Sensor and
the MSU250 (Figure 4).
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NFRARED MAIN SYSTEM UNIT
“TECH TIP”
Wire size is expressed
by it’s AWG (American
Wire Gauge) num-
ber. The lower the
AWG number, the
larger the wire, i.e.,
20 AWG wire is physi-
cally larger than
22 AWG.
IMPORTANT – AVOIDING INTERFERENCE
Avoid locating any of the cables, Sensors, Keypads or the
Main System Unit near any potential sources of Electro-
Magnetic Interference (EMI), such as light dimmers, speed
controls for ceiling fans, electrical ballasts, television sets,
large motors, heaters or air conditioners.
Figure 4: Home run the
sensor cable from the
sensor to the MSU250.
D
A
T
A
S
T
A
T
U
S
G
N
D
+
12
V
Remotely Located
IR Sensors
SENSORS IN
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IntelliPad Wiring
When you are placing both a IntelliPad and a sensor (or two
keypads) in one room you may “daisy-chain” using a single
cable. A cable is run between the keypad and the sensor and a
single cable is run from either the sensor back to the MSU250.
To prevent data feedback an IN4003 Blocking Diode is inserted
on the data (IR) line between the IntelliPad and the sensor.
The cathode, or blocking side of the diode, faces the IntelliPad.
(Figure 5). Note that status wire is connected to IntelliPad’s sta-
tus (+) connector.
Sensor/Keypad Cable
The MSU250 connects to IR sensors and the IntelliPad with
category 5 cable, with a maximum cable run of 500'.
Flasher Cable
Niles infrared flashers come supplied with a 10 foot 2-conduc-
tor 22 gauge cable. Should you need to extend it, use a 16
gauge 2-conductor cable (“zip-cord”). Shielding is not neces-
sary for a flasher. Flasher wires can be extended up to 200'.
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NFRARED MAIN SYSTEM UNIT
3-30V
AC/DC
STATUS
IN
Figure 5: An IR sensor
cable is “daisy-chained”
from an IntelliPad, to a
sensor and back to the
MSU250.
IN4003
Blocking
Diode
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3-30V
AC/DC
STATUS
IN
Installation
Before you begin, make sure that the sensor/keypad cables,
the flasher cables and the 12VDC power supply cable will all
reach the proposed location of the MSU250. Mark the cables
with labels describing where the cable originates (rather than
which terminal on the MSU250 it should connect).
For proper installation, follow the steps outlined below in the
correct order. If you discover a fault in the course of installa-
tion, go on to the Troubleshooting Guide before continuing
with the next installation step.
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NFRARED MAIN SYSTEM UNIT
TOOLS
REQUIRED
• 1/8" Standard
Slotted
Screwdriver
• Wire Stripper
WS100 Sensor
To unswitched
AC Outlet
Figure 6:
MSU250
Installation.
MSU250 Sensor
Connection
MSU250
To Niles
IR Flasher To 12V DC Power
Supply Plugged into
an switched AC Outlet.
Typically found in
back of a receiver.
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NFRARED MAIN SYSTEM UNIT
STEP DESCRIPTION
1. Connect and test the
power supply. If it tests OK,
unplug the connector from
the power socket and
proceed.
A) Plug the supplied 12VDC power supply into an unswitched 120
volt AC outlet, 50-60 HZ .
B) Plug the connector into the socket marked “Power” on the
MSU250.
C)If the Power LED does not light, test the unswitched 120 volt
AC outlet, 50-60 HZ with another appliance. If the outlet tests
OK, you have a defective power supply which must be replaced
for you to continue.
2. Connect the Sensor/Keypad
cable the Sensor input. A) Strip 1/4" of insulation from the end of each wire. Tightly twist
the end of each wire until no frayed ends remain.
B) Use a small flathead screwdriver or your thumbnail to raise the
locking tabs, exposing the holes on the removable connectors.
C)Insert each wire into the appropriate hole on the removable
connector plug (Figure 6), and snap the locking tab down.
To help you, the connector plug is keyed. Insert the smooth
side of the connector plug into the smooth side of the socket.
Don’t force the scalloped side of the connector plug into the
smooth side of the socket.
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Andere Handbücher für MSU250
2
Inhaltsverzeichnis
Andere Niles Zubehör Handbücher
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Niles Voltage Activated AC Outlet AC-3 Bedienungsanleitung
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Niles CE-DS8 Bedienungsanleitung
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Niles DBI-1 Bedienungsanleitung
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Niles Convenience Outlets Bedienungsanleitung
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Niles C1 Installationsanleitung
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Niles CM8 Series Bracket Bedienungsanleitung
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Niles WS120 Bedienungsanleitung
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Niles IE6 Bedienungsanleitung
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Niles DS6 Series Bracket Bedienungsanleitung
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Niles CAT-5 Bedienungsanleitung
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Niles SRK-4W Bedienungsanleitung
