Crown Audio Interface 3 Architectural & Engineering Specifications

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Crown POWER-TECH 3 Specifications - Page 1
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Crown International
P.O. Box 1000
Elkhart, IN 46515-1000
TEL: 219-294-8200
FAX: 219-294-8FAX
www.crownaudio.com
IQ-INT 3
8/01 133279-1
Specications subject to change without prior notice. Latest
information available at www.crownaudio.com.
© 2001 Crown Audio, Inc. Crown, IQ and IQ System
are registered trademarks of Crown International. Other
trademarks are the property of their respective owners.
Printed in U.S.A.
Architectural & Engineering Specications
I N T E R F A C E
IQ-INT 3
The audio system shall utilize a separate component dedicated specically
to serve as an interface between RS232 and IQ system components con-
nected together on one or more serial data loops (IQ Bus). The interface
unit shall be capable of serving as an interface for up to four separate serial
data loops. It shall be possible to connect up to 250 like IQ components to
a single IQ serial loop. Communication shall be possible at BAUD rates as
high as 38.4 K over wire runs as long as 1,000 feet between IQ component
and up to 2,000 feet in each loop.
RS232 data coming into the interface unit shall be buffered and converted
to parallel format for transmission into its internal processor. The proces-
sor shall control the ow of data output to each serial data loop. The
interface unit shall suport both the original IQ and the newer IQ2 protocols.
The interface unit shall provide one female 9-pin D-shell connector for
communication with the RS232 computer, and shall provide four RJ-45
connectors for input, and four RJ-45 connectors for output. The interface
unit shall provide Power indicators on the front and rear panels to indicate
that the AC supply is connected and that power is applied.
The interface unit shall contain its own universal power supply for opera-
tion from 100VAC to 240VAC, and 47 Hz to 66 Hz. A standard IEC inlet shall
be provided for AC line cord-set connection.
The interface unit shall meet or exceed the following general specications:
Power Consumption: 100VAC, 60 Hz: 3.70W, 50 Hz: 3.71W; 120VAC,
60 Hz: 3.92W, 50 Hz: 3.92W; 220VAC, 60 Hz: 5.03W, 50 Hz: 5.03W;
230VAC, 60 Hz: 5.23W, 50 Hz: 5.18W; 240VAC, 60 Hz: 5.59W, 50 Hz:
5.41W.
The interface unit shall meet or exceed the following IQ Bus data com-
munication specications: Protection: The auto-reset feature is controlled
by the microprocessor. Optically coupled 20-milliamp current loop receiv-
ers provide ground isolation. Data Rate: 38.4 K baud. Data Format: Asyn-
chronous binary serial data with 1 start bit, 1 stop bit, 8 data bits and
no parity check. Interface Type: 20-milliamp current loop. Operation: Half
duplex. Intelligence: 16-bit microprocessor. Transmission Distance: Vari-
able from 200 to 3,000 feet (61 to 914 meters) depending on wire capaci-
tance. 1,000 feet (305 meters) is typical with shielded 26 AWG twisted
pair wire. IQ repeaters or ber optic transceivers can be used to cover
greater distances.
The interface unit shall meet or exceed the following RS232 data com-
munication specications: Data Rate: 9,600, 19,200, 38,400, 57,600 or
115,200 baud. Data Format: Asynchronous binary serial data with 1 start
bit, 1 stop bit, 8 data bits and no parity check. Interface Type: RS232.
Operation: Half duplex. Data Buffer: 255 bytes. Intelligence: 16-bit micro-
processor. RS232 Transmission Distance: 50 feet (15.2 m).
The interface unit shall meet or exceed the following mechanical specica-
tions:
Finish: Charcoal powder-coated steel chassis and front panel with Lexan
®
front and rear overlays. Dimensions: 19-inch (48.3 cm) standard rack
mount width (EIA RS-310-B), 1.75-inch (4.4 cm) height and 6.5-inch (16.5
cm) depth. Weight: 6 lbs., 4 oz (2.8 kg) net; 9 lbs., 5 oz (4.2 kg) shipping.
The interface unit shall be designated the Crown IQ-INT-3.