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1. 6 Keypad control connections provide 12VDC power, common ground, RS-232 transmit, IR Data IN
and 12VDC control output triggers. CT310/300 has three keypad control connections. See page 14.
2. 6 Zone Audio/Video Line outputs for external amplification (factory fixed output) and video monitors
(1 per zone). On Screen Display (OSD) menu access is only provided through the zone A video output.
See page 19.
3. 9 Buffered Audio/Video outputs for daisy-chain applications. See page 18.
4. FM Antenna connection. (Internally split for the two tuners in the CT610/310/602). See page 23.
5. 9 Audio/Video shared Source inputs that can be shared throughout all zones. See page 17.
6. 9 Infrared emitter outputs for IR routing. 1/8” (3.5mm) mini jack. See page 18.
7. Removable four position phoenix speaker connections. Speaker connections are 4 ohm stable.
See page 12.
8. AM Antenna connection. See page 23
9. RF Antenna connection. (Not supported)
10. 6 Zone dedicated Audio/Video inputs for local sources, one per zone. See page 20.
11. 2 Common control connections with up to 24VAC or DC sensing. The RJ-45 jack can be used for
computer interface and communicating with other RS-232 devices.
One common control on CT310/300. See page 22 and page 48.
12. AC Power inlet and AC fuse. See page 12.
CT Receiver Back Panel
BK&
SBIMPLY ETTER!
5
A/V SOURCE INPUTS
CAUTION
RISK OF ELECTRICSHOCK
DO NOT OPEN
RISK OF ELECTRIC SHOCK
DO
NOT OPEN
B&KComponents,Ltd.
Made intheU.S.A.
B&KComponents,Ltd.
Made intheU.S.A.
www.bkcomp.com
IN
1
IN
1
BUFFERED A/V SOURCE OUTPUTS
ZONE LINE OUTPUTS
VOLTAGE
FM
ANTENNA
FM
ANTENNA
RF REMOTE IN
IN
2
IN
2
IN
3
IN
3
OUT
1
OUT
1
OUT
2
OUT
2
OUT
3
OUT
3
IN
4
IN
4
IN
5
IN
5
IN
6
IN
6
OUT
4
OUT
4
OUT
5
OUT
5
OUT
6
OUT
6
IN
7
IN
7
IN
8
IN
8
IN
9
IN
9
OUT
7
OUT
7
OUT
8
OUT
8
OUT
9
OUT
9
IR 1IR 2
IR 3
IR 4
IR 5
IR 6
IR 7
IR 8
IN
A
IN
A
IN
B
IN
B
IN
C
IN
C
OUT
A
OUT
A
OUT
B
OUT
B
OUT
C
OUT
C
IN
D
IN
D
IN
E
IN
E
IN
F
IN
F
OUT
D
OUT
D
OUT
E
OUT
E
OUT
F
OUT
F
IR 9
AM ANTENNA
ACLINE
~
FUSE
CAUTION:FORCONTINUED
PROTECTIONAGAINSTRISK
OFFIREREPLACEONLYWITH
SAMETYPEANDVALUE FUSE
CAUTION:FORCONTINUED
PROTECTIONAGAINSTRISK
OFFIREREPLACEONLYWITH
SAMETYPEANDVALUE FUSE
ZB
ZE
+12V
GND
RS232 XMIT
CTRL OUT
DATAIN
ZCZF
+12V
GND
RS232 XMIT
CTRL OUT
DATAIN
CONTROL
ZA
ZD
+12V
GND
RS232 XMIT
DATAIN
CTRL OUT
RIGHTLEFT
+
-
+
-
ZONE F
RIGHTLEFT
+
-
+
-
ZONE E
RIGHTLEFT
+
-
+
-
ZONE D
RIGHTLEFT
+
-
+
-
ZONE C
RIGHTLEFT
+
-
+
-
ZONE B
RIGHTLEFT
+
-
+
-
ZONE A
SPEAKER OUTPUTS
ARE 4 OHM STABLE
SPEAKER OUTPUTS
ARE
4 OHM STABLE
21
RS232
12V
GND
IN
-
IN
-
OUT
IN +
12V
GND
IN
-
IN
-
OUT
IN +
COMMON
CTRL I/O
COMMON
CTRL I/O
OUT
BK
&
SB
IMPLY ETTER!
1
10
11
8
9 7
6
4
5
32
12