Yacht Devices YDNR-02N Wi-Fi Router connections

YDNR-02N shares NMEA 2000, two NMEA 0183 ports and SeaTalk data with Wi-Fi applications. Its built-in Web Gauges work without an internet connection. The unit draws power from NMEA 2000, specified at 7–17 V and at most 60 mA with the 0183 ports loaded; its declared network allocation is LEN 2. The drop cable is not included. Reserve its demand in the independently protected backbone budget.

Connect the SeaTalk yellow data conductor to SeaTalk and its ground/shield to GND. The SeaTalk red supply conductor is not connected to this router and must be insulated. For each 0183 port, connect router RX to the source TX and router TX to the destination RX using the manual’s differential or single-ended diagram. Do not ground a differential TX− output merely because it is labeled minus. The symbol’s ports are data markers, not buses.

Mount in a dry protected location; the manual warns against flooding, rain and spray. Keep the antenna accessible and test wireless coverage before final mounting. Metal structures can greatly reduce the useful range even if the equipment is close in straight-line distance. Turn off backbone power before attaching the network connector, and retain proper network termination.

Factory port settings distinguish low-speed 4800-baud instrument traffic from 38400-baud AIS traffic. Match the connected devices rather than blindly copying the other port. Set the required TCP/UDP server protocol and use filters to avoid routing the same messages around a loop. Verify data in Web Gauges or a diagnostic application, then test the intended navigation application. If a client has Wi-Fi but no instrument values, inspect network power, source traffic, port baud and routing before resetting all settings.

Yacht Devices installation manual, YDNR02-003, firmware 1.71, March 8 2024; pp. 7–11 specifications/network installation, pp. 16–19 0183/SeaTalk connections, configuration chapters. The original PDF is retained in the marine source ledger. The drawing represents the identified electrical interfaces; it does not simulate the equipment’s mechanical performance, radio signals or fluid system. Unpublished connector ampacity and startup current remain unspecified.