This companion to the 8920MUX simplifies the management of multi-channel audio by extracting up to two 48 kHz AES audio streams (up to four discrete channels) from one of the eight available AES groups in the ancillary data space of embedded 525 or 625 serial digital component video. The 8920DMX recognizes and preserves the ID and channel status of the 20- or 24-bit AES group and can delete groups assigned for extraction or pass them through to another demultiplexer. The two AES/EBU outputs can be either 75Ω unbalanced or 110Ω balanced to accommodate a variety of digital audio processing equipment.

Supported Frame Types
GeckoFlex with 8900V-R GeckoFlex Video rear module, Gecko video frames: 8900TX-V, 8900TF-V, 8900TFN-V
Power Rating
7 Watts – single slot
Video Input
Signal type: SMPTE 259M, EBU 3267-E
Connector: Differential loop-through BNC
Impedance: High Z
Return loss: >15 dB up to 270 MHz
Cable equalization: <300 meters
Audio Output
Signal type: AES-3id-1995 (75Ω), AES3 (110Ω)
Number of channels: Four (two streams)
Connectors: BNC (75Ω), terminal block adapter (110Ω)
Sample rate: 48 kHz
Resolution: 20- or 24-bit
Video Output
Signal type: SMPTE 259M
Connector: Four 75Ω or two 110Ω via 8900CBT-04
Return loss: >15 dB, 5 to 270 MHz
Error checking: EDH embedded
Performance
Operating temperature: 0° to 45°C
Humidity: 10% to 90% non-condensing
Indicators and Controls
Indicators: Video present, audio present, fault, power, communication active, configuration, remote override
Controls: Audio group selection
Remote: All indicators and controls via Ethernet
GeckoFlex 8920DMX Video/Audio Demultiplexer Data Sheet
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