The Logic Off Topic list

Hi,
     Would someone be so kind as to explain these connections to me? How do
you use SPDIF or AES\EBU? I'm not familiar with these. I'm only used to ADAT
optical and analog.
    I'm waiting for the Multiface I ordered and I was wondering if I could
use the SPDIF in's and out's to send signals to an analog effetcs processer?
Is there a converter you have to buy to split it in stereo? Is it similar to
RCA jacks? Please excuse my lack of knowledge on this issue.
   Thanks!!                           --Roger