This Local Input/Output Hub Interface Box is a compact system hub for interfacing input and output wallplates together with existing zone audio amplifiers and audio sources. Allows connection for up to 2 UTP output wallplates and a single UTP input wallplate. Two stereo RCA outputs provide connection to line input on external amplifiers. Features Design Transceiver and Receiver in one Module Provides the Power to Connected Receivers Sends Left and Right Audio Channels Unbalanced Stereo RCA Input from Audio Source Balanced 3.5 Jack Audio Input from Mono Source Audio Signal Goes to two UTP RJ45 Outputs CSP Receiver Compatible with all 2 pair transceiver wallplates Two RCA stereo unbalanced outputs L (Left) Output Goes to Pair B; R (Right) Goes to Pair C Daisy chain topology AFC Design (AFC: Auto Feedback Gain Circuitry) Purple - Stereo RCA cablingRed - 100V line speaker cablingBlue - UTP Cat 5e/6 data cablingGreen - Balanced audio cable User Manual