Page 14
IQ Mixer / Multiplexer Hardware Installation
Rev. 0
Figure 3.9 Crown Bus Wiring ÷Loopsš from Output to Input of Each IQ Component
Fig. 3.7 Crown Bus Wiring for 5-pin DIN Input
Fig. 3.8 Crown Bus Wiring for 4-pin DIN Output
Important:
Provide ad-
equate cooling if the unit
will be used in a hot envi-
ronment.
Allow one
empty rack space (1.75
inches or 4.4 centime-
ters) between each unit if
more than four units will
be stacked in a cabinet.
Each empty rack space
should be sealed with a
blank rack panel to facili-
tate proper air flow inside
the cabinet.
Optional Shield
PIN
1
2
3
4
1 2 3 4
Crown Bus Barrier Block
The Crown Bus connector
shown here is the standard
connector found on the back
panel of most mixers and SLM.
Output (–)
Output (+)
Input (+)
Input (–)
GND
The female Crown Bus connector shown
here can be found on the back panel
of IQ-INT IIs and most IQ-P.I.P.s.
PIN
5
4
(Not Used)
(Not Used)
2
5
3
4
1
Crown Bus 5-pin DIN Input
3
2
1
GND
Input (+)
Input (–)
PIN
1
2
3
4
PIN
4
3
2
1
The female Crown Bus connector shown
here can be found on the back panel
of IQ-INT IIs and most IQ-P.I.P.s.
(Not Used)
(Not Used)
Output (+)
Output (-)
2
1
4
3
Crown Bus 4-pin DIN Output
1 2 3 4
Crown Bus Barrier Block
The Crown Bus connector
shown here is the standard
connector found on the back
panel of most mixers and SLM.
Output (–)
Output (+)
Input (+)
Input (–)
GND
Optional Shield
3
1
2
NON-
INVERT
(+)
GND
INVERT
(–)
CH–2
CH–1
BALANCED INPUTS
DSPI
AUX
3
1
2
NON-
INVERT
(+)
GND
INVERT
(–)
CH–2
CH–1
BALANCED INPUTS
DSPI
AUX
3
1
2
NON-
INVERT
(+)
GND
INVERT
(–)
CH–2
CH–1
BALANCED INPUTS
DSPI
SERIAL OUT
SERIAL IN
AUX
AMPLIFIERS WITH
IQ–P
.I.P
. MODULES
MIC/LINE MIXER/
MULTIPLEXERS
IQ
INTERFACE
CROWN BUS
L
M
P
+
–
+
–
+
–
+
–
+
–
AUDIO
IN
6
+
–
+
–
+
–
+
–
+
–
MAIN
CROWN BUS
AUX
CTRL
RS232 / RS422
AUDIO
IN
5
AUDIO
IN
4
AUDIO
IN
3
AUDIO
IN
2
AUDIO
IN
1
120 VAC
60 Hz
20 W
SERIAL DATA LOOP
AUDIO
OUT
2
AUDIO
OUT
1
BUS
STACK
IN
MAIN
BUS
STACK
IN
0
-5
-10
-12
5
10
15
21
ADD 25
FOR MIC
L
M
P
0
-5
-10
-12
5
10
15
21
ADD 25
FOR MIC
L
M
P
0
-5
-10
-12
5
10
15
21
ADD 25
FOR MIC
L
M
P
0
-5
-10
-12
5
10
15
21
ADD 25
FOR MIC
L
M
P
0
-5
-10
-12
5
10
15
21
ADD 25
FOR MIC
L
M
P
0
-5
-10
-12
5
10
15
21
ADD 25
FOR MIC
L
M
P
+
–
+
–
+
–
+
–
+
–
AUDIO
IN
6
+
–
+
–
+
–
+
–
+
–
MAIN
CROWN BUS
AUX
CTRL
RS232 / RS422
AUDIO
IN
5
AUDIO
IN
4
AUDIO
IN
3
AUDIO
IN
2
AUDIO
IN
1
120 VAC
60 Hz
20 W
SERIAL DATA LOOP
AUDIO
OUT
2
AUDIO
OUT
1
BUS
STACK
IN
MAIN
BUS
STACK
IN
0
-5
-10
-12
5
10
15
21
ADD 25
FOR MIC
L
M
P
0
-5
-10
-12
5
10
15
21
ADD 25
FOR MIC
L
M
P
0
-5
-10
-12
5
10
15
21
ADD 25
FOR MIC
L
M
P
0
-5
-10
-12
5
10
15
21
ADD 25
FOR MIC
L
M
P
0
-5
-10
-12
5
10
15
21
ADD 25
FOR MIC
L
M
P
0
-5
-10
-12
5
10
15
21
ADD 25
FOR MIC
L
M
P
+
–
+
–
+
–
+
–
+
–
AUDIO
IN
6
+
–
+
–
+
–
+
–
+
–
MAIN
CROWN BUS
AUX
CTRL
RS232 / RS422
AUDIO
IN
5
AUDIO
IN
4
AUDIO
IN
3
AUDIO
IN
2
AUDIO
IN
1
120 VAC
60 Hz
20 W
SERIAL DATA LOOP
AUDIO
OUT
2
AUDIO
OUT
1
BUS
STACK
IN
MAIN
BUS
STACK
IN
0
-5
-10
-12
5
10
15
21
ADD 25
FOR MIC
L
M
P
0
-5
-10
-12
5
10
15
21
ADD 25
FOR MIC
L
M
P
0
-5
-10
-12
5
10
15
21
ADD 25
FOR MIC
L
M
P
0
-5
-10
-12
5
10
15
21
ADD 25
FOR MIC
L
M
P
0
-5
-10
-12
5
10
15
21
ADD 25
FOR MIC
L
M
P
0
-5
-10
-12
5
10
15
21
ADD 25
FOR MIC
POWER
IN
1
OUT
IN
2
OUT
IN
3
OUT
IN
4
OUT
IN
5
OUT
IN
6
OUT
IN
7
OUT
IN
8
OUT
COMPUTER
IQ INTERFACE
TO HOST COMPUTER
SERIAL OUT
SERIAL IN
SERIAL OUT
SERIAL IN
OUT
IN
+ – + –
OUT
IN
+ – + –
OUT
IN
+ – + –