IEC 61162-2:1998

Name: IEC 61162-2:1998 — Maritime navigation and radiocommunication equipment and systems - Digital interfaces - Part 2: Single talker and multiple listeners, high-speed transmission
SKU: IEC 61162-2:1998
Price: 45000 RUB
Availability: InStock

Maritime navigation and radiocommunication equipment and systems - Digital interfaces - Part 2: Single talker and multiple listeners, high-speed transmission

Название (английский):

IEC 61162-2:1998

Maritime navigation and radiocommunication equipment and systems - Digital interfaces - Part 2: Single talker and multiple listeners, high-speed transmission

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 25
Дата публикации:: 11 сентября 1998 г.
Издание:: IEC IS 61162 edition 1 version 1
ICS:: 47.020.70

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Описание (английский):

IEC 61162-2:1998 Contains the requirements for data communication between maritime electronic instruments, navigation and radiocommunication equipment when interconnected via an appropriate interface. Supports one-way serial data transmission from a single talker to one or more listeners.

Abstract

Похожие стандарты

Упомянутые в описании и другие стандарты IEC

Overview

IEC 61162-2:1998 specifies a high‑speed one‑way serial digital interface for maritime navigation and radiocommunication equipment. Intended for single talker / multiple listeners arrangements, it defines electrical, wiring and data format requirements for transmitting printable ASCII sentences (based on NMEA 0183 v2.30) over a balanced differential link. The standard supports high-rate transmission (38 400 bit/s, 8N1) for short messages (typical 11 to 79 characters) with repetition intervals down to ~20 ms.

Key topics and technical requirements

Topology: one talker driving multiple listeners in parallel; no provision for multiple simultaneous talkers.

Physical cabling: shielded two‑conductor twisted pair (lines A and B) plus a common/signal ground (C); recommendations and rules for single/double shields and continuous shielding to meet EMC requirements.

Electrical characteristics: compliant with ITU‑T V.11 (balanced differential signalling) with compatible drivers (e.g., EIA‑485 allowed if used compatibly). Signal polarity: idle/mark defined as negative voltage on A vs B. Receive circuits must be isolated per IEC 60945.

Data transmission: asynchronous serial, 38 400 baud, 8 data bits, no parity, 1 stop bit; characters are 7‑bit ASCII in an 8‑bit field (D7 = 0).

Data format: printable ASCII sentences (NMEA-style), fields and sentence structure defined; typical sentence lengths and repetition rates documented.

Reliability and safety: limited error checking and no guaranteed delivery - the standard cautions against using it alone for safety‑critical functions.

Manufacturer documentation: products claiming compliance must document signal line identity (A/B/C), output drive, approved sentences, latencies, listener load, connector details, and software/hardware revision.

Practical applications

Interfacing onboard navigation instruments (GPS, AIS receivers, heading sensors, echo sounders) where a single source broadcasts data to multiple consumers (displays, autopilots, chart plotters, logging systems).

High‑rate data feeds where the simplicity of one‑to‑many serial distribution is preferred over complex networks.

Retrofit or interoperable installations using established NMEA 0183 sentence formats but requiring higher baud rates and balanced signalling for improved noise immunity.

Related standards

IEC 61162‑1 (single talker/multiple listeners, lower speed)

IEC 60945 (general maritime equipment requirements)

NMEA 0183 v2.30 (sentence format alignment)

ITU‑T V.11 and EIA‑485 (electrical signalling references)

Using IEC 61162‑2 enables reliable high‑speed one‑way distribution of navigational data when designers follow its wiring, electrical isolation and documentation rules - while noting its limits for safety‑critical applications.

IEC 61162-2:1998

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Practical applications

Who should use this standard

Related standards

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