FOR-A

FOR-A USF-101MDX8-12G 12G-SDI 4K Audio Multiplexer/Demultiplexer Card

FOR-A Virtual Production

Professional broadcast product designed for reliable production, streaming, and modern media workflows.

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Key Features

12G-SDI High-Bandwidth Support: Handles 12G/3G/HD-SDI from 1.5 to 12 Gbps for native 4K UHD workflows.
16-Channel AES/EBU I/O: Embeds or de-embeds up to 16 channels (8 pairs) of AES/EBU audio in 4K SDI streams.
Sample Rate Conversion: Built-in selectable SRC supports asynchronous AES/EBU audio multiplexing and demultiplexing.
Flexible Synchronization: Supports Frame, Line, AVDL, and Line (Min.) sync modes for system timing.
Timecode & SNMP Control: Provides LTC input/output and SNMP v2c monitoring through the host USF frame.
Modular Hot-Swap Design: Compact 2-slot module compatible with FOR-A USF-105AS and USF-212BS system frames.

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Product Overview +

12G-SDI 4K Audio Embedding & De-embedding

The FOR-A USF-101MDX8-12G is a high-density audio multiplexer and demultiplexer card designed for insertion into USF series modular frames. Supporting standard-definition through single-link 12G-SDI video signals, the card provides 16-channel AES/EBU digital audio I/O via rear BNC connectors. In multiplexing (MUX) mode, it maps up to 8 AES/EBU pairs onto a 12G-SDI stream; in demultiplexing (DEMUX) mode, it extracts up to 8 selected audio channels from an embedded SDI signal for external routing.

Synchronization & Advanced Audio Processing

Equipped with built-in Sample Rate Converters (SRC), the USF-101MDX8-12G handles asynchronous digital audio feeds without requiring external sample clocks. The module provides selectable sync modes (Frame, Line, AVDL, and Line Min.) to maintain low-latency alignment between audio and video signals. Additional onboard processing capabilities include audio delay adjustment (5 ms to 1,000 ms), channel remapping, gain control, downmixing, and channel muting.

Frame Integration & System Monitoring

Operating across a 2-slot footprint within USF-105AS (1RU) or USF-212BS (2RU) frames, the module draws power directly from the host unit's redundant supplies. Operational health, signal status, and configuration parameters can be managed remotely using SNMP v2c protocols or the frame's network control GUI.

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