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E L A N H O M E S Y S T E M S
Chapter 3: Connections
Bussing
The term BUS is defined as the ability to route a signal from one place to another. Traditional busing is done using
audio patch cables to route these signals. The use of Bus Switches, such as the ones on the A12, eliminates the need
for additional patch cables and adds to the flexibility of signal routing.
Bus Input & Bus Loop Ouput
A stereo or monaural audio signal connected to the A12's main BUS INPUT can be routed to any of the A12's twelve
channels. This feature is excellent for standalone distributed audio systems where one source (i.e. an A/V
Receiver) is providing audio to the entire home, and also for ELAN multi-room applications where a zone's audio
signal needs to be routed to multiple amplifier channels. Examples of both these applications are shown on the
following pages.
The BUS LOOP OUTPUT is an easy way to add on additional rooms of music by connecting them to a second (or 3rd,
or 4th) A12.
Bus DIP Switch Settings
There are independent BUS DIP switches for each channel on the A12. The DIP switches labeled BUS L (Left) and
BUS R (Right) determine whether the signal connected to the Left and Right channels of the BUS INPUT will be rout-
ed to that channel. Any channel that has its BUS switches in the ON (DIP switch set to the left) position will receive
the audio signal from the BUS INPUT.
Factory Default DIP Switch Settings
BUS
© ELAN Home Systems 2009 • All rights reserved.
L
R
1
2
Figure 3-1: A12 Bus DIP Switches
A12
INSTALLATION MANUAL
BUS INPUT
Dipswitches
DIRECT INPUT
Dipswitches
Page 11
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