This Accessory Decoder designed to get a feedback from the Model Railroad using a Z-21 Emulator.

To make the S88 feedback module working connect it to the Emulator Z21 or another Command station that supports S88-N input. You can also connect up to 31 modules in a chain by using INPUT connection (See picture below). For connecting any Ethernet/LAN RJ45 cable with all 8 wires are suitable.