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INSTALLATION — EXPANSION
Expanding the distributed audio system to 18 zones
The distributed audio system can be expanded to 12 zones with one additional system and to 18 zones with two additional systems. Stack
three systems, one on top of another. Connect the included 18-pin ribbon cable to the EXPANSION OUTPUT terminal of the bottom unit and
the other end of the ribbon cable to the EXPANSION INPUT terminal of the second and then third unit. Set the MASTER/SLAVE-1/SLAVE-2
switch of the bottom unit to MASTER, the center unit to SLAVE-1, and the top unit to SLAVE-2. The following data and control is transmitted
between the three units; all source audio, all RS232 control data, and all MCU communication data.
SLAVE 2
SLAVE 1
MASTER
14
Master
Slave
Select
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