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6 Advanced Features and Options
6.1 Using the AUX Connector
The AUX connector of the IQ-PIP-USP3/CN offers a means to tap some of the flexibility of
the IQ System. It can be used to enable peripherals, send a signal to another system com-
ponent, and send a line-level audio signal of the amplifier's output.
The AUX connector is an RJ-11 type. Pins 3 and 4 are used as a control output. Pins 2 and
3 function as a control input. Pin 5 is a voltage supply pin for use with the control input.
Pins 1 and 6 support the Listen Bus feature.
6.1.1 AUX Output
The AUX output provides a +15 VDC output, current limited to 10 mA, which can be
switched on or off under firmware control. In its basic mode, the AUX output can be used to
control auxiliary equipment. To control AC-line-powered equipment the AUX output must
actuate a relay. The relay would then turn on the auxiliary equipment. See Figure 6.1.
A suitable solid-state relay for use in such a circuit is available from Crown
(CPN D 8063-6). Contact your local Crown representative or the Crown Factory Parts
Department.
page 36
Figure 6.1 AUX Output Control of a Relay
IQ-PIP-USP3/CN
Reference Manual
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