Yes it’s have optical out. Actually here I have 4 combo connectors ADAT and wordclock with a built-in termination switch.
Here is a photo of the back - https://goo.gl/images/oVvwqa
For example Apollo 16 has AES/EBU but here I can’t understand how to enter a signal in the EU-40.
Perhaps there is some kind of adapter or something like this:
but I’m not sure that this will work correctly.
Please tell me how can solve this issue