System Integration Drawings
28
Tango Series Audio Controllers
Using the Audio Zone Expander
RF Interference
Shielded cable is generally not required for audio installations. Although the Tango Controller does
generate radio emissions, it uses a digital signaling path during command entry.
These emissions have been accommodated for in design and conform to RF emission standards. There
are normally no ongoing data communications in the circuit path. Communications only occur at the
time a command is issued from a zone. However many other systems do use microprocessor systems
where the cabling may be in close proximity such as telephone and security systems, and it is possible
for different systems to interfere with each other.
If you face an installation where your cable runs are in parallel to these types of systems you may
consider shielded cable to the keypads. In this case ground the drain wire by connecting it to the chassis
of the Tango Controller.
Distribution Wiring
In general, wiring is installed in a single continuous run between the Tango Controller, the Keypad and
the speaker location. Other cable routing options such as a home run to a common wiring distribution
point, integration with home automation systems, or split zone applications can be significantly different
than the general information presented here. These applications are left to the installer’s discretion and
experience. Examples of common wiring options can be found in the Special Wiring Configurations
section of this document.
FIG. 16 System Integration Drawing Using the Audio Zone Expander
IR OUT LINE IN
Tango
Controller
Shared 4-conductor keypad/speaker wire
Tango Zone Expander
Zones 1-8
LINE IN RJ11
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