When making the connections at each end of the cable strip
the outer insulation jacket about 1-1/2" to 2" from the end. The
cable is constructed of four twisted pairs of wires as indicated
above Flatten the wire ends to prepare them for insertion into
the connector Fully insert the wire into the connector
certain to check the color codes of the pin assignments one
last time Carefully crimp the connector making sure that each
wire is securely fastened.
Step Connect the Ca
Once the wire is run to the remote location where the
will be installed, connect the Categor 2.
Prior to making the connections strip the outer jacket of the
Cat. 5/5e cable 1-1/2" to 2" from the end, taking care not to nick
the inner conductors Next, separate the four twisted pairs within
the cable and then untwist the ends of each pair about 1/2.
All terminations are made at the Input-Cable Connection
Block
. Connect the wires using standard 110 Insulation
Displacement Connector (IDC) tools and procedures DO NOT
use screwdrivers to insert the wire into the IDC connection
points Make certain that there are no shorts between any of
the individual wires as this may cause damage to the
From left to right, the connections are made as indicated in
the figure below
Step Four: Connect the speaker cable to the
Connect speaker wires to the
coded chart on the Speaker T as a guide
Observe the positive (+) and negative (–) polarity indications
and avoid having the wire strands from one cable touch another
Loosen the retaining screws on the Speaker T
and insert the wire into the appropriate slots T
screws to secure the wire
Step Five: Connecting the
product.
After making certain that the connections to the speaker cable and
Cat. 5/5e cable have been made properly plug the RJ-45 jack
at the receiver end of the cable into the
of the and connect its IR output to the
source device’s IR input, daisychaining for more than one source
Next, tur
Multiroom system. As a confirmation that the system connections
have been made the Status LED will light. When the
is turned on by pressing a source selector or using a remote
control to issue an IR command, the red LED on the Power Off
key will light, and a green LED will indicate the current source
Step Six: Adjust the output levels.
This step sets the level adjustments for the Once this
process is complete all further volume settings are made with
the Volume Up/Down Buttons on the AB 2, the included
remote or any compatible third-party remote
With the Multiroom system activated and a source playing
press the Volume Up Button for 20 seconds so that the
AB 2’ Next, adjust each of the
Brown
Brown and White
Blue
Blue and White
Green
Green and White
Orange
Orange and White
Output-Level T until the output begins to clip At this point,
back the trim control down in the opposite direction until the
clipping stops This is the correct level for your specific
equipped product and the Before proceeding further
lower the volume back to normal listening level.
Step Seven (Optional): Switch keypads.
Y
connected to the The P
Off/Mute Skip Up/Down and
the same but the source names change from
(tuner), CD to SA DVD to
Note however that The Bridge may only be connected to a
Harman Kardon A-BUS-equipped product, and may only be
selected as a playback source by pressing and holding the
A
T remove the
gently pressing the four clips that secure it to the back of the metal
chassis Be gentle so as not to inadvertently break off the clips
The entire keypad set may be removed and replaced, with the
small holes on the sides of the keypad frame fitting over the
corresponding pins on the back of the
When replacing the front panel, orient it so that the red lens
fits over the red LED on the chassis
Step Eight: Install the AB 2.
Place the making sure
that any loose wire is carefully secured inside the wall or box,
and that there are no shorts between any of the connections
Using the supplied mounting screws attach the
junction box or plaster ring through the Screw Slots . Attach a
Decora-style wall plate (not included) through the Screw
Holes. Although any color Decora wall plate may be used with
the the AB 2 itself should not be painted.
Operation
When the
system is in standby mode (power is present but the
equipped product is powered off), the Status LED will light to
indicate that the system is ready to be turned on. When the
is turned on, the red LED under the P and
a green LED will light under the current source’s key
T
turn on the AB 2 and begin play Some source
selectors offer additional commands as indicated
in the table below
NOTE: Some receiver models may require you to
manually turn on their multiroom system before
the Consult the o
manual for the receiver for more information.
Selector T Press and Hold
(AB 2 only)
A First press turns on Selects
system and plays tuner the source and begins
additional presses change play
tuner band
CD
*
T Disc Skip
Play/Pause command
DVD
*
T Play
begins play
MP3
*
T Play
begins play
Power Off Mute Powers system off
(if
source turns off A
multiroom system; if a
device connected to
the
source turns off hub)
Skip Up/
If source is: If source is:
Down
*
• A – Preset • A – Preset
(AB 2 only) • CD – •
CD –
• DVD – Next Chapter •
DVD – Previous Chapter
• MP3 – No effect • MP3 – No effect
V Volume Up Increases volume
V V Decreases volume
Down
System Off IfSource 1 is playing Not applicable
(ABR tur
Remote equipped product; if
only) another source is playing
A
ABH 4000 is turned off
*
These keys only affect the it.
The keypad itself offers local volume control and muting and
limited source control. For more sophisticated control over the
A point a remote at the IR sensor and
enter the desired command.
T select the A
source and press and hold the Power Off key The
listening area will not be affected.
If the turn off the hub by
selecting any source other than the Then press and hold
the Power Off key
NOTE: Play/pause functionality may var
Harman Kardon CD and DVD players. System power-off
functionality may vary for remotes other than the one
included with the The operation of your AB 2 with
a Harman Kardon
from model to model. Not all features will work with all
models. Functions requiring “press and hold” are not
available when a remote control is used. Due to technology
advancements, the AB 2 may not operate as expected
with older Harman Kardon products; connect those
sources to an
T
If you cannot hear any sound from the speakers connected to
the make certain that:
AB 2
Amplified In-W
Harman Kardon is a trademark of Harman International Industries, Incorporated,
registered in the United States and/or other countries. Designed to Entertain is
a trademark of Harman International Industries, Incorporated.
A-BUS is a registered trademark of LeisureT
Decora is a registered trademark of Leviton Manufacturing Company, Inc.
iPod is a trademark of Apple Inc., registered in the U.S. and other countries.
Features, specifications and appearance are subject to change without notice.
250 Crossways Park Drive Woodbury New Y
516.255.HKHK (4545) Fax: 516.682.3583
© 2008 Har Incorporated. All rights reser
Printed 11/ P AB-2-OM
• 5/5e cable is properly connected to both the AB 2
and the receiver or hub and that the the hub and any
source devices have power
• and the Multiroom
mode is properly activated.
•
properly made
•
is not muted.
•
• Speaker connections are correct.
If the receiver or other components do not respond to commands
from the make certain that:
•
turned on.
• 5/5e cable is properly connected to both the AB 2
and the receiver or hub
•
product and any additional IR-controlled components
•
and other components
Other notes on using the
Harman Kardon A-BUS-equipped products:
•
products you may connect only one unless
an optional, exter
• If
designed for use with Harman Kardon products are used,
their operation may be slightly different than with the
• connect one
source and one
is working correctly Then add sources and modules to the
hub one at a time to discover the source of the problem.
IMPORT T
changing connections.
Specifications
• Wire type required: Category 5/5e (or better) cable in
compliance with any applicable local building code or NEC
requirements for in-wall, riser or plenum use
• Wiring protocol: TIA wiring specification for 568A at the
A-BUS-equipped product end. Connections at the AB 2 are
specified on the
• Connection terIDC type for Category 5/5e cable;
screw terminal type for speaker connections
• Speaker wire: Maximum A in compliance with any
applicable local building code or NEC requirements for
in-wall, riser or plenum use
• Speaker impedance: Suitable for connection to speakers
with nominal 6 ohms to 8 ohms impedance
• Speaker sensitivity: Optimized for speakers with sensitivity
above 88dB
• Infrared compatibility: 38kHz and 56kHz, with talkback.
• Dimensions (H x W x D): 4-1/4" x 1-3/4" x 2-1/4"
(108mm x 45mm x 57mm)
• Weight: 0.25 lb (0.11kg)
Front
Panel
Cover
Plate and
2 Screws
(not included)
1/8" x 3/4"
Machine
Screws (2)
(included)
Wallboard
J-Box
Speaker-
T
Block
Output-
Level Trims
Input-Cable
Connection
Block
AB2 Owner’s Manual 11/18/08 1:01 PM Page 2
