Connections to a Non-A-BUS/READY ProductOptional Step Five: Status Power Connection
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 to
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 not
required to connect an audio feed and to install any required infrared emittersturned on, connect an optional power supply to the Status Input �. The
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
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
familiar with A-BUS and audio/video systems integration.standard 2.1 plug with OCenter Positive�.
Step One: Connect an Audio SourceOptional Step Six: Connect IR Emitters
If you are not using direct IR control connections to OIR In� jacks on products
by Harman Kardon and wish to control a receiver, processor or preamp, or aConnect the audio outputs of the source that will be used to feed the A-BUS
not included
source product such as a CD or DVD player, connect optional IR emitters to thethe Audio Inputs L on the ABH 4 to the audio outputs of the source device.
IR Emitter Jacks ? and then place them over the IR sensor on the frontThe source may be the tape outputs of a stereo preamplifier or receiver, the tape
panel of the unit to be controlled in accordance with the emitter manufacturerOsoutputs or multiroom outputs of an audio/video receiver or surround processor,
instructions.or it may be a direct connection to a single source such as a CD player or tuner.
Optional Step Seven: Remote IR Sensor ConnectionStep Two: Connect the A-BUS Modules
If the source and control equipment is behind cabinet doors or dark glass and
you wish to have an optional IR sensor in the main listening room control thoseConnect the RJ-45 jacks on the Cat. 5 cabling that runs to the remote room
products, connect that sensor (not included) to the Local IR Input Terminalsmodules to the A-BUS Outputs Y on the ABH 4. Make certain that the con-
¤. To make the installation easier, the black connector block may be removed nector is wired in accordance with the standard TIA 568A color-coding. Connect
the A-BUS modules in the remote rooms to the cable in accordance with the
by grasping the top and bottom of the block and pulling it out toward you.instructions for the module.
Reinstall it after the connections are made by simply pushing it back into theStep Three: Connect the AC Power Supply
socket.
not suppliedConnect the AC Power Supply furnished with the ABH 4 to the Power Input
ABH 4 OLocal IR�a. Plug the AC power cord into the socket on the Power Supply. Do not
Connection PointSensor Connection Pointconnect the power cord to an AC outlet at this time.
Optional Step Four: Multiple ABH 4 Connections
V++12VIf you are using more than one ABH 4 in a system, connect the Expansion Out
SIGIR OUTJack ° to the Expansion In Jack c on another ABH 4, using the RJ-45
jumper cable supplied with the second ABH 4. Then, follow steps two and threeGNDGND
as shown above.
NOTE: The STAT connection is not used in standard installations.
If you are not familiar with the use of external IR sensors in systems integrationNOTE: The following steps provide additional options that extend the flexibility of
applications, we strongly recommend that a trained custom installer perform theyour A-BUS system. If you are not familiar with audio/video systems installations,
installation.you may wish to have them completed by a properly trained installer.
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ACEC
