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2.7 A 6512 SINGLE INPUT SERIAL VOLUME CONTROLLER CONNECTION GUIDE
Fig 2.7a shows the layout of the front of the A 6512 single input serial volume controller.
1
24V DC input
Connects to a 24V DC Plugpack with a 2.1mm Jack (Please observe the polarity, centre positive).
2
24V DC Input
Connects to a 24V DC source via a euro block (Please observe the polarity).
3
RJ45 interface
This RJ45 port is for connection to other Redback® compatible devices.
4
RS485 Serial Input
This input takes an RS485 input signal. This can be connected to the RS485 serial output of the Redback® A 6505
or to a third party system. Follow standard RS485 wiring when connecting these terminals.
4
RS232 Serial Input
This input takes an RS232 input signal. This can be connected to the RS232 serial output of the Redback® A 6505
or to a third party system. Follow standard RS232 wiring when connecting these terminals.
6
RJ45 interface
This RJ45 port is for connection to the Redback® A 6530 or A 6540 series wall plates.
7
DIP Switches
1 ON: Accept serial codes through RS485 input.
2 ON: Accept serial codes through RS232 input.
3 ON: Accept serial codes from Redback® A 6530 or A 6540 series wall plate.
4: Not Used
Fig 2.7b shows the layout of the rear of the A 6512.
1
Remote Volume
The output volume can be adjusted by connecting a 1kΩ potentiometer across these connections.
2
Input
This input accepts an RCA low level line input.
3
Output
This is the RCA line level output.
www.redbackaudio.com.au
Redback® A 6500A Programmable Control System
Redback® A 6500A Programmable Control System
Redback® Programmable Control System
24V
24V
DC In
DC In
+ _
To Other
-
+
Devices
1
2
3
Rem.
Volume
1
A 6512
Serial Volume Controller
DIP
RS485
Serial
Switches
1
2
To A 6500
1 2 3 4
A
B
RX
TX
Plate
4
5
6
7
Fig 2.7a
Input
Output
L
R
L
2
3
Fig 2.7b
Redback® Proudly Made In Australia 11
3
4
R
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