Direct Optical mode - How to

[alandbush]

Can not use the ADAT audio interface?
RME: HDSPe RayDAT or RME: Digiface USB or MOTU LP32

I am really curious about this.
Thank you for reading my question.

@Juiz
The Phantom expects SPDIF format.  ADAT will not work even though they use the same optical connector.

The RME Digiface, however, will output an audio signal in the SPDIF format.
It has four stereo SPDIF optical outputs but it can be configured to output the left and right audio signals to individual optical outputs.  In that case, a splitter is not required.

I use the Digiface to output 5 audio signals to my 5 Phantoms.  I have the left, right and centre audio signals output to individual outputs.  The surround left and right are output as a stereo audio signal with an optical splitter used later in the audio chain.  Volume is controlled from the supplied pc software called TotalMix.

I have also been experimenting with equaliser software running on a Windows pc and I am very very happy with the result.