Redback® A 6514
Two Input Serial Volume Controller
Operating Manual
OVERVIEW
This compact module has been designed to alter the volume of any low level signal source feeding any amplifier or mixer
remotely, via RS 232 or RS 485. The unit includes two RCA inputs which are selectable by serial control and remote volume
which is also serial controlled.
The Redback
®
A 6514 will interface directly to the Redback
®
A 6500 wallplate or any other third party control system which
utlises RS232 or RS485 serial codes.
Fig 1 shows the layout of the front of the A 6514.
Fig 1.
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 6500 wall plate.
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 6500 wall plate.
4: Not Used
User manual revision number: 1.0 03/09/2019
A 6514
Serial Volume Controller
+ _
+
-
1 2 3 4
To Other
Devices
24V
DC In
24V
DC In
Serial
TX
RX
B
A
RS485
To A 6500
Plate
DIP
Switches
1
2
3
4
5
6
7
1
2
3
4
