DMX-2131 is a digital video and 2 channel audio de-multiplexer. It is used in i-MOD platform. It provides 2 analog stereo outputs or 4 AES3 digital audio outputs, 4 AES-3id digital audio outputs. The DMX-2131 de-multiplexer extracts embedded audio from the SDI(SMPTE-259M-C, 270 Mbps, 525/59.94, 625/50 component). De-embedding channels are selectable and de-embedded audio can output to designated port. De-embedding modes are selectable, including L/R swap, copy and mix. 1 SDI outputs, SDIOUT with by-pass protection supported and 2 CVBS outputs for monitoring. Optional audio meter can be inserted on CVBS outputs. Level control is available for each audio channel. Equalizing is up to 984 ft (300 m). (Belden 1694A cable or equivalent cables).

The DMX-2131 can be controlled locally by means of an intuitive card-edge interface or remotely using i-MOD platform control software IM-MASTER.