Provides Two Unbalanced -10 dBV Phono Jack Audio Inputs, Left (L) Input Feeds Pair B; Right (R) Feeds Pair C, Signal and Power Pair Pass-Through on RJ45 Jacks, Remote Powering through Twisted Pair Cable, Fused Local Power Feeds all Connected Modules, Local Power Input on Terminal Block, Blue LED Indicates Module is Powered and Daisy-Chain with Single-Pair Senders.