A2-73XX Series Audio Expansion Units Operation Manual
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8
A2-7342
The A2-7342 provides an HD-44 to 8 Analog Stereo (4-in/4-out) on XLR’s and a
DARS reference input on a BNC connector. This unit contains four high quality
stereo analog to AES3-id converters, plus four high quality AES3-id to stereo analog.
The audio sample rate is user adjustable in stand alone mode using DIP.
8.1
Audio inputs and outputs
Visible in the images, the units have:
8 x input channels (4 stereo pairs) analog audio on XLR
8 x output channels (4 stereo pairs) analog audio on XLR
DARS reference on BNC
8.2
Switchable Sampling Rates
The A2-7342 has a dip switch setting on the rear of the unit which allows the
sampling frequency to be set at the following rates: 48, 44.1 and 32 kHz. For the
required position settings see section 9.
8.3
HD44 Interface
The unit connects to the C2-7310 (or other A2-73XX units) via a 44 pin D-type
connector, via a dedicated cable supplied with unit, connecting 4 AES3-id input
channels, 4 AES3-id output channels, the DARS reference and communication
between the units.
8.4
Power Supply
The A2-7342 requires a 12V dc input with at least 3 Amps.
AES3-id Audio
4 channels in
4 channels out
DARS ref’
Analog Audio (Stereo)
Analog Audio (Stereo)
