Niles MSU440Z Owner's Manual
INSTALLATION & OPERATION GUIDE
MSU440Z
MSU440Z
INFRARED MAIN SYSTEM UNIT
B LENDING H IGH F IDELITY AND A RCHITECTURE
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MSU440Z
Infrared Main
System Unit
TABLE OF CONTENTS
Introduction 1
Features and
Benefits
MSU440Z Parts
Guide
System Design
Introduction
Installation
Considerations
Installation 10
Trouble-
Shooting
Power Status 22
Specifications 26
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Introduction
The MSU440Z is a unique multi-zone IR main system unit.
In many ways it is as if four IR repeater systems are combined.
The MSU440Z controls which particular audio/video components will receive IR commands from a remote sensor/keypad.
Via it’s configuration switches you may control a particular
component from only one sensor/keypad or you may choose
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to control a component from any combination of remote sensor/keypads throughout the system.
This enables you to use multiple identical preamps/receivers
to create a multi-zone audio system using identical IR commands without any conflicts between users.
Each preamp/receiver with either a switched AC outlet or voltage trigger output can provide a status feedback signal to the
sensor/keypad for that zone only. Additionally, IR commands
to a common source (e.g. a CD changer) can be routed from
any or all of the zones.
The MSU440Z is one of several 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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Features and Benefits
The MSU440Z 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.
• Four zoned sensor inputs with removable screwless connectors.
• Eight flasher outputs with 3.5mm flasher output jacks: four dedicated
flasher outputs (one per zone), four assignable flasher outputs, one of
which is a switchable high/low flasher for driving an IRB1 flooding flasher
or a MicroFlasher
• Cascade input and cascade output 3.5mm jacks for system expansion.
• Low profile, small footprint for unobtrusive installation.
• Four 3.5mm 12V DC output jacks triggered by the presence of status or
discrete IR commands.
• One master 3.5mm 12V DC output jack triggered by the presence of
status from any zone.
• Integrated contact closure (Zones 1 and 4) triggered by the presence of
status or discrete IR commands.
• Integrated mounting wings accommodate both vertical and horizontal
installation.
• UL-listed regulated in-line power supply with universal voltage capability.
• 3-30V AC/DC status input jacks.
• System feedback LED indicator provides visual indication of operation.
• Included room labels allow for clear input identification.
• Rugged all metal chassis construction.
• Warranty: Two-year limited.
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MSU440Z Parts Guide
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1. 12V DC power jack – Provides 12 volt
DC power to MSU via a regulated
power supply.
2. Cascade In – Used to connect multiple
MSU440Z units together for system
expansion.
3. Cascade Out – Used to connect multiple MSU440Z units together for system
expansion.
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4. Assignable Flasher – Flashers connected
to these ports can be assigned to control a source from specific zones.
5. Flasher Hi/ Low switch – Setting this
switch to the appropriate position
allows you to connect either a high output flooding flasher (IRB1) or low output Microflashers (MF1, MF2, MF1VF,
MF2VF) to assignable flasher four.
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6. Global 12V Output – Outputs 12VDC
200mA when the presence of 3-30V
AC/DC is detected at any of the four
dedicated status ports.
7. Assignable Flasher Dip Switch – DIP
switches are used to configure assignable flasher outputs to accept IR from
any or all four zones and a cascaded
MSU440Z.
8. Dedicated Flasher Output – Outputs IR
data received from its respective sensor
only.
9. Dedicated 12V Output – Outputs
12VDC 200mA when triggered one of
two ways:
a. The presence of 3-30V AC/DC is
detected at the dedicated status port
for that zone
b. Via IR trigger commands received
through the sensor port for that
zone.
10. Dedicated 3-30V AC/DC Status –
3.5mm jack provides system status to
sensors/ keypads via a 3-30V AC/DC
input.
11. Sensor Input – Four position quick
connect plug for connecting IR sensor
and/ or IntelliPad‚ to the MSU440Z.
12. Contact Closure Connector – Three
position quick connect plug for connecting either a NO (normally open)
or NC (normally closed) contact closure device to the MSU440Z.
13. Contact Closure Switch – Two position
switch that determines if the contact
closure is activated by either (a) the
presence of status or (b) discrete IR
commands.
14. Sensor Input Labels – Recessed label
slot for installation of supplied
preprinted room identification labels.
15. Assignable Cascade output DIP
Switches – DIP switches are used to
assign specific zones to the cascade
output.
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System Design-Introduction
In an MSU440Z system, each zone uses an IR-controlled
AM/FM receiver which operates independently. (Using multiple AM/FM receivers rather than a single central tuner allows
each zone to select its own radio station.) Typically, you place
the receivers in a central location. The MSU440Z can be
tucked away out of sight near the receivers, but should remain
accessible for upgrading or changing its configuration.
Install IR sensors/keypads in an appropriate location in each
zone. Use an individual home-run of Category 5 cable for each
IR sensor/keypad.
An IR command from any sensor/keypad is routed to a corresponding DEDICATED flasher output which feeds that zone’s
receiver. The MSU440Z prevents IR conflicts by routing the IR
commands from each zone directly to the proper receiver.
However, if identical makes and models of receivers are used (a
likely situation), the installer must specify the Niles MF series
Microflashers
receiver’s IR sensor window and features a blocking “cover”
which prevents IR from “leaking out” to a neighboring receiver.
For control of source components, the MSU440Z provides
4 configurable flasher outputs. For example, in a simple four
zone system with a CD player (Figure 1), an MF series
Microflasher is attached to the CD player IR sensor window
and a blocking cover is installed. The flasher is connected to
one of the configurable flasher outputs. The configuration
switches for that output are all set to the ON position
(Figure 7). This allows all zones to control the CD player.
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. The Microflasher attaches directly over each
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12V DC Adapter
CD Player
MSU440Z
Sensors
Figure 1: T ypical MSU440Z Thr ee Zone System
Zone 1 Receiver
Zone 2 Receiver
Zone 3 Receiver
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