Interconnection of an NMEA 0183 device with an NMEA 2000 backbone requires the use of a certified NMEA 2000 gateway.

• A. True
• B. False
• C. Requires certified gateway only
• D. Not applicable

Answer: (A)

Connecting an NMEA 0183 device to an NMEA 2000 backbone requires a bridge that can translate between the two protocols. NMEA 0183 is a simple, point‑to‑point ASCII serial interface, while NMEA 2000 is a multi‑device CAN bus with standardized PGN messages and specific electrical requirements. You can’t simply wire an 0183 device onto a 2000 backbone and expect proper communication. A certified NMEA 2000 gateway provides the necessary translation, PGN mapping, device addressing, and power/ground handling to make the two networks work together safely and reliably. Certification ensures the gateway meets the electrical and protocol standards, preventing miscommunication or damage on the backbone. Therefore, interconnection must be done with a gateway that is NMEA 2000 certified.