IEC 61162-450-2024 PDF

Full title and description

Maritime navigation and radiocommunication equipment and systems - Digital interfaces - Part 450: Multiple talkers and multiple listeners - Ethernet interconnection. IEC 61162-450:2024 specifies device interface requirements and test methods to support high‑speed data transfer over a shipboard Ethernet network, enabling multicast distribution of navigation and radiocommunication data between multiple talkers and multiple listeners on a common Ethernet interconnection.

Abstract

This edition (Edition 3.0, 2024) updates the IEC 61162-450 specification for Ethernet‑based shipboard data distribution. It defines an application of existing international network and transport standards to provide a framework for interoperable, multicast-capable communication between navigation/radiocommunication devices and other ship systems, and includes interface-level requirements and conformance test methods.

General information

• Status: Published
• Publication date: 4 April 2024
• Publisher: International Electrotechnical Commission (IEC)
• ICS / categories: 47.020.70 (Navigation and control equipment)
• Edition / version: Edition 3.0 (2024)
• Number of pages: 205 (base publication)

Key bibliographic and product details (status, edition, pages and stability date) are published by IEC and by national publishers/distributors for the 2024 edition.

Scope

IEC 61162-450:2024 specifies interface definitions and test methods for high‑speed Ethernet communication between shipboard navigation and radiocommunication equipment and between those systems and other ship systems that require navigation or radio data. The document limits its protocol definitions to device/node interfaces on a shipboard Ethernet (single or paired physical network) and provides rules for multicast distribution of standardized navigation message formats and general binary data blocks to support interoperability and predictable device behaviour.

Key topics and requirements

• Definition of Ethernet-based, multicast-capable interconnection for maritime navigation and radiocommunication devices.
• Mapping and transport of IEC 61162-1 sentence formats and IEC 61162-3 PGN-style messages over Ethernet.
• Device interface requirements (talker/listener behaviour), addressing, multicast group usage and message formats.
• Conformance and interoperability test methods for device implementations on shipboard networks.
• Guidance on limited network topologies (single Ethernet network segments or simple redundant links) and expected device behaviour to preserve safety and determinism.

The above topics are central to Edition 3.0 and reflect the document’s intent to standardize Ethernet interconnection for multiple talkers and listeners in shipboard environments.

Typical use and users

Implementers include shipboard equipment manufacturers (ECDIS, radar, AIS, VDR, GNSS, autopilot, sensors), system integrators, shipyards, test and certification laboratories, and regulatory authorities specifying maritime equipment performance. The standard is used to design, test and certify device interfaces and to enable interoperable multicast data distribution on vessel networks.

Related standards

IEC 61162-450 is part of the IEC 61162 family (digital interfaces for navigational equipment). Closely related parts include IEC 61162-1 (single talker, multiple listeners), IEC 61162-2, IEC 61162-3 (serial/NMEA 2000 style network messages) and IEC 61162-460 (additional safety and security requirements for Ethernet interconnection). Other relevant publications include IEC 60945 and applicable EN/IMO adoptions where the IEC 61162 series is referenced.

Keywords

Maritime, shipboard Ethernet, multiple talkers, multiple listeners, multicast, NMEA/IEC 61162, interface requirements, conformance testing, TC 80, navigation equipment, radiocommunication.

FAQ

Q: What is this standard?

A: IEC 61162-450:2024 is an international standard defining Ethernet-based interface requirements and test methods for multiple talkers and multiple listeners among shipboard navigation and radiocommunication equipment.

Q: What does it cover?

A: It covers device-level protocols, multicast message distribution, message formats (including mapping of IEC 61162-1 and -3 data types), addressing and conformance test methods for interoperable high-speed communication on shipboard Ethernet networks.

Q: Who typically uses it?

A: Equipment manufacturers, system integrators, shipyards, testing and certification bodies, and regulators who need consistent, interoperable Ethernet data distribution for navigation and radio systems.

Q: Is it current or superseded?

A: Edition 3.0 (2024) is the current published edition, replacing the 2018 edition; users should confirm national adoptions or corrigenda that may affect their compliance timeline.

Q: Is it part of a series?

A: Yes. IEC 61162-450 is part of the IEC 61162 series of standards for digital interfaces for navigational equipment and is commonly used alongside IEC 61162-1, -2, -3 and IEC 61162-460 (safety/security extensions).

Q: What are the key keywords?

A: Ethernet, maritime, multicast, multiple talkers, multiple listeners, NMEA, shipboard network, interface requirements, conformance testing.