Large
Connections to a Non-A-BUS/READY ProductOptional Step Five: Status Power ConnectionOperationTroubleshooting Guide
The ABH 4 may also be used to bring the benefits of A-BUS technology toIf your system requires that the remote A-BUS models are active and able toWhen the installation is complete and all connections have been made to theIf the remote A-BUS modules do not operate at all:
audio systems that are not A-BUS/READY. To do this, a few additional steps arereceive commands when the host receiver, processor or preamplifier is notABH 4 and receiver, processor or preamplifier, and the A-BUS modules have
Y Verify all connections between the remote modules and the ABH 4
required to connect an audio feed and to install any required infrared emittersturned on, connect an optional power supply to the Status Input �. Thebeen properly installed in the remote rooms, operation of the ABH 4 is simple.
Y Check the RJ-45 connection between the ABH 4 and the host receiver
that are used to control the source equipment. Although this installation is rela-power supply is the small type typically used to power portable electronics There are no user controls on the ABH 4.
(A-BUS/READY systems)
tively simple, you may wish to have it completed by a trained installer who isproducts and should provide a nominal 12 volts DC at 200 mA, using a
After checking the connections, plug the AC power cord from the ABH 4Os Power
familiar with A-BUS and audio/video systems integration.standard 2.1 plug with OCenter Positive�.Y Check the AC power connection at both the ABH 4Os Power jack and on
Supply into a non-switched AC outlet and turn on the host receiver, processor or
the Power Supply
Step One: Connect an Audio SourceOptional Step Six: Connect IR Emitterspreamplifier. Operation of the ABH 4 is seamless, as the remote A-BUS modules
If you are not using direct IR control connections to OIR In� jacks on products will communicate directly with the host source.If the remote moduleOs status LED is lit but there is no sound:
Connect the audio outputs of the source that will be used to feed the A-BUS
by Harman Kardon and wish to control a receiver, processor or preamp, or a
not includedWhen the ABH 4 is used with an A-BUS/READY receiver, the A-BUS modules inY Make certain that an active source has been selected on the host receiver
source product such as a CD or DVD player, connect optional IR emitters to the
the Audio Inputs L on the ABH 4 to the audio outputs of the source device.the remote room operate as if they were connected directly to the host receiver.
Y Check the RJ-45 connection between the ABH 4 and the host receiver
IR Emitter Jacks ? and then place them over the IR sensor on the front
The source may be the tape outputs of a stereo preamplifier or receiver, the tapeNo further controls are needed. Follow the instructions included with the A-BUS(A-BUS/READY systems)
panel of the unit to be controlled in accordance with the emitter manufacturerOs
outputs or multiroom outputs of an audio/video receiver or surround processor,modules for operation information.
instructions.Y Check the audio connections between the ABH 4 and the host receiver
or it may be a direct connection to a single source such as a CD player or tuner.
When the ABH 4 is used in the stand-alone mode with a source that is not
(non-A-BUS/READY systems)
Optional Step Seven: Remote IR Sensor Connection
Step Two: Connect the A-BUS ModulesA-BUS/READY, the method of operation varies depending on the specifics of the
For additional troubleshooting information and updated operational and installa-
If the source and control equipment is behind cabinet doors or dark glass andinstallation:
Connect the RJ-45 jacks on the Cat. 5 cabling that runs to the remote roomtion hints, please visit the Product Support section of the Harman Kardon Web
you wish to have an optional IR sensor in the main listening room control those
modules to the A-BUS Outputs Y on the ABH 4. Make certain that the con-Y When a 12-volt adaptor is not connected to the ABH 4Os Status Input �,
site at www.harmankardon.com.
products, connect that sensor (not included) to the Local IR Input Terminals
nector is wired in accordance with the standard TIA 568A color-coding. Connectthe system is able to pass through IR commands from the remote modules
¤. To make the installation easier, the black connector block may be removed Specifications
the A-BUS modules in the remote rooms to the cable in accordance with theto turn on the host receiver, processor or preamplifier, but there is no power
by grasping the top and bottom of the block and pulling it out toward you.
instructions for the module.to a remote moduleOs internal amplifier until an audio signal is sensed at theABH 4 Dimensions (D x W x H):
Reinstall it after the connections are made by simply pushing it back into the
ABH 4Os Audio Inputs L.83mm x 184mm x 30mm
Step Three: Connect the AC Power Supply
socket.
Y When a 12-volt adaptor is connected to the ABH 4Os Status Input �, theWeight: 0.9 lb (410g)
Connect the AC Power Supply furnished with the ABH 4 to the Power Input
not supplied
system is ready for full operation at all times, including pass-through of IR
a. Plug the AC power cord into the socket on the Power Supply. Do not Power Supply Dimensions (D x W x H):
ABH 4 OLocal IR�commands from remote A-BUS modules as well as power to the remote
connect the power cord to an AC outlet at this time.70mm x 151mm x 36mm
Connection PointSensor Connection PointmodulesO internal amplifiers.
Optional Step Four: Multiple ABH 4 ConnectionsWeight: 1 lb (450g)
V++12VThe three LED indicators on the ABH 4 signify the following operational modes:
If you are using more than one ABH 4 in a system, connect the Expansion OutPower Supply Input: 108 � 264 VAC, 115 watts
SIGIR OUTY The Status Indicator � lights when the system is activated either by con-
Jack ° to the Expansion In Jack c on another ABH 4, using the RJ-45
Power Supply Output: 24-volt, 4-amp supply included
nection to an A-BUS/READY receiver that is turned on, when a signal is sensed
jumper cable supplied with the second ABH 4. Then, follow steps two and threeGNDGND
at the Audio Inputs L or when a 12-volt power source is connected to theStatus Power: 12 volts, 200ma
as shown above.
NOTE: The STAT connection is not used in standard installations.
Status Inputs �. This light indicates that the remote modules are active and
Wiring protocol for A-BUS connections: TIA wiring specification for TIA 568A
NOTE: The following steps provide additional options that extend the flexibility of
If you are not familiar with the use of external IR sensors in systems integrationready to accept and transmit commands.Expansion HubA-BUS4-Room
your A-BUS system. If you are not familiar with audio/video systems installations,
applications, we strongly recommend that a trained custom installer perform the¨
Y The Power Indicator o lights when the AC Power Supply is connected to
you may wish to have them completed by a properly trained installer.
installation.ABH 4
the ABH 4 and/or when a connection is made between the ABH 4 and an
A-BUS/READY receiver. This light indicates that the system is powered on and
is operational.
Y The IR Indicator Ť flashes whenever an IR command is transmitted through
the system.
Top-Edge Connections
� Status Input
a Power Input
L Audio Inputs
c Expansion In Jack
° Expansion Out Jack
Bottom-Edge Connections
¤ Local IR Input Terminals
? IR Emitter Jacks
Y A-BUS Outputs
LED Indicators
� Status Indicator
o Power Indicator
Ť IR Indicator
250 Crossways Park Drive,Woodbury,New York 11797
516.422.HKHK (4545) Fax:516.682.3523
?2005 Harman International Industries,Incorporated.All rights reserved.
Printed 3/05 Part No.ABO 42hl
Harman Kardon and Power for the Digital Revolution are registered trademarks of Harman International Industries,Incorporated.
A-BUS and A-BUS/READYare registered trademarks of LeisureTech Electronics Pty Ltd.Australia.
All features and specifications are subject to change without notice.
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Power for the Digital Revolution.¨
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Optional AB 1A-BUS modulesconnectedby Cat. 5 cablingWhen using the ABH 4 with non-A-BUS/READY receivers,connect either the Multiroom outputs(if available) or the Tape outputs tothe Audio Input c jacks on the ABH 4.Optional 12Vpower supply ABH 4 power supplyDVD player or other source component with connection to compatible IR input jack Connect to either the Multiroom or the Tape outputs, but not both.Optional IR sensor24024031FL 8385PowerPhonesPhones LevelPLAY/PAUSE12345DISK SKIPSTOPSEARCHSKIP��ee������Source component with optional IR emitter placed over IR sensor
Power for the Digital Revolution.¨
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ACEC
