Redback A 4942 Manuale utente
www.redbackaudio.com.au Redback® Proudly Made In Australia 1
Redback® A 4940 3 Pin XLR - Cat5 Extender (Transmitter)
OVERVIEW:
The Redback® A 4940 provides a convenient way to send low level audio signals over long distances via Cat5/6 cabling. The
unit has adjustable input sensitivities to handle either microphone (3mV) or line levels (1V) and has provision for phantom
power (15V DC). Both of these are DIP switch selectable.
The ouput volume is screwdriver adjusted via the trimpot on the front of the unit.
The unit is powered from 24V DC, which can be connected to the DC socket on the rear of the unit, or it can be supplied
through the Cat5/6 cabling from other compatible Redback® products.
The Redback® A 4940 provides a balanced output which can be received by Redback® products such as the A 4942 and
A 4946. These products receive the audio signal fed down the Cat5/6 cabling and convert it to an XLR output (A 4942) or
an RCA output (A 4946).
DIP Switch Settings
Switch 1 - Sets the sensitivity of the input to either 3mV or 1V
ON - Input Sensitivity 3mV, OFF - Input Sensitivity 1V.
Switch 2 - Enables the Phantom Power to the input.
ON - Phantom Power Enabled (15V DC), OFF - Phantom Power Disabled.
Fig 1. Redback® A 4942 Receiver (Front)
RJ45 cabling conguration for system components (568A ‘Straight
through’)
Components are connected using “pin to pin” conguration RJ45 data cabling as
shown in gure 3. When installing ensure all connections are veried with a LAN
cable tester before switching any system component on.
Failure to follow the correct wiring conguration may result in damage to
system components.
Fig 2. Redback® A 4946 Receiver (Front)
Fig 3. RJ45 Pin to Pin Wiring Diagram
Operating Manual
A 4940 3 Pin XLR - Cat5 Extender (Transmitter)
User manual revision number: 1.0 07/01/2021
568A
1 TX+
2 TX-
3 RX +
4
5
6 RX-
7
8
StraightThrough
(both ends)
Pins Face Upwards
1 TX+
2 TX-
3 RX +
4
5
6 RX-
7
8
Redback® A 4940 (Front) Redback® A 4940 (Rear)
www.redbackaudio.com.au Redback® Proudly Made In Australia 1
Redback® A 4942 3 Pin XLR - Cat5 Extender (Receiver)
OVERVIEW:
The Redback® A 4942 receives audio from compatible Redback® Cat5e/6 transmitters and converts the signal to a balanced
XLR output. The output level is DIP switch selectable, and the ouput volume is screwdriver adjusted via the trimpot on the
front of the unit.
The unit is powered from 24V DC, which can be connected to the DC socket on the rear of the unit, or it can be supplied
through the Cat5/6 cabling from other compatible Redback® products. A 24V DC plugpack is supplied for connection to
the DC socket.
The Redback® A 4942 can be connected to compatible Redback® products such as the A 4940 and A 4944. These products
have either a 3 pin XLR (A 4940) or Dual RCA (A 4944) input and transmit this audio down the Cat5/6 cabling to the A 4942.
DIP Switch Settings
Switch 1 - Sets the output as either a high or low level.
ON - Mic Level, OFF - Line Level.
Switch 2 - Not Used
Fig 1. Redback® A 4940 Transmitter (Front)
RJ45 cabling conguration for system components (568A ‘Straight
through’)
Components are connected using “pin to pin” conguration RJ45 data cabling as
shown in gure 3. When installing ensure all connections are veried with a LAN
cable tester before switching any system component on.
Failure to follow the correct wiring conguration may result in damage to
system components.
Fig 2. Redback® A 4944 Transmitter (Front)
Fig 3. RJ45 Pin to Pin Wiring Diagram
Operating Manual
A 4942 3 Pin XLR - Cat5 Extender (Receiver)
User manual revision number: 1.0 07/01/2021
568A
1 TX+
2 TX-
3 RX +
4
5
6 RX-
7
8
StraightThrough
(both ends)
Pins Face Upwards
1 TX+
2 TX-
3 RX +
4
5
6 RX-
7
8
Redback® A 4942 (Front) Redback® A 4942 (Rear)
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