Presumably there is only one Cat5 input on the back so surely there was room to leave at least one SPDIF input there?

Avid Acutus, SME V, Benz Micro LP / Van den Hul Colibri XGP, Audio Research Ref 2 Phono
Meridian Sooloos C15 + MD600
CH Precision C1 DAC
Constellation Audio Virgo and Centaur Monoblocks
Sonus Faber Aida