IEC 61097-4:2024 全球海上遇险和安全系统（GMDSS）.第4部分:国际海事卫星-C船用地球站和国际海事卫星增强型群呼（EGC）设备.操作和性能要求、试验方法和要求的试验结果

标准编号：IEC 61097-4:2024

中文名称：全球海上遇险和安全系统（GMDSS）.第4部分:国际海事卫星-C船用地球站和国际海事卫星增强型群呼（EGC）设备.操作和性能要求、试验方法和要求的试验结果

英文名称：Global maritime distress and safety system (GMDSS) - Part 4: Inmarsat-C ship earth station and Inmarsat enhanced group call (EGC) equipment - Operational and performance requirements, methods of testing and required test results

发布日期：2024-02-20

标准范围

IEC 61097-4:20 24规定了能够发送和接收直接打印通信的Inmarsat-C船舶地面站(SE)以及增强型群组呼叫(EGC)接收器的性能要求和测试方法，用于GMDSS和远程识别和跟踪(LRIT)。可用的变体有:0级:EGC接收器，可以是独立的，也可以是GMDSS装置的一部分，符合国际海事卫星组织GMDSS装置的设计和安装指南（DIGs）。类别1:仅提供岸到船和船到岸消息传输的基本SES。第2类:与第1类相同，但使用EGC作为使用共享接收器的岸到船传输的替代方案。3级:与1级相同，但EGC使用独立接收器。注1国际海事组织第三十四届会议无线电通信委员会决定，2级设备足以为GMDSS接收海上安全信息提供足够的可用性。本文件符合规范性参考文献、Inmarsat技术特性和测试程序以及IEC 60945一般要求中规定的IMO性能要求，除非本文件中明确规定了修改。确定了IMO定义的对GMDSS和LRIT运行至关重要的技术特征。本文件所有文本的措辞与1988年修订的IMO《1974年海上人命安全公约》以及MSC.513(105)、MSC.263(84)和MSC.306(87)号决议的措辞相同，均以斜体印刷，并提及决议/建议和子条款编号。本文件涵盖设备构造和测试。与安装有关的事项可在Inmarsat海事设计和安装指南中找到（见参考书目）。附件A转载了海事组织MSC.513(105)、MSC.263(84)和MSC.306(87)号决议中的内容。IMO决议MSC.513(105)和MSC.306(87)赋予Inmarsat-C和Inmarsat-EGC型式认证的责任（见4.2.1）。因此，本文件没有完整复制Inmarsat测试程序，而是参考了本文件规范性参考文献（附录C）中引用的Inmarsat文件中给出的内容。注2:就本文件而言，术语Inmarsat C、Inmarsat-C、Inmarsat Standard-C、Standard-C是指同一设备。

IEC 61097-4:2024 specifies the performance requirements and methods of testing for Inmarsat-C ship earth stations (SES) capable of transmitting and receiving direct-printing communications, and for enhanced group call (EGC) receivers, for use in the GMDSS and for use for long-range identification and tracking (LRIT). The available variants are:
Class 0: An EGC receiver, either stand-alone or an element of a GMDSS installation in accordance with the Inmarsat design and installation guidelines (DIGs) for GMDSS installations.
Class 1: A basic SES providing shore-to-ship and ship-to-shore message transfer only.
Class 2: As class 1 but with EGC as an alternative to shore-to-ship transfer using a shared receiver.
Class 3: As class 1 but with EGC using an independent receiver.
NOTE 1 The 34th session of the IMO Sub-Committee on Radiocommunications decided that class 2 equipment would be adequate to provide sufficient availability for the reception of maritime safety information for the GMDSS.
This document complies with IMO performance requirements stated in the normative references, Inmarsat technical characteristics and test procedures, and IEC 60945 general requirements except where modifications are explicitly stated in this document. Technical characteristics essential to GMDSS and LRIT operation as defined by the IMO are identified.
All text of this document, whose wording is identical to that in IMO SOLAS Convention 1974 as amended in 1988 and Resolutions MSC.513(105), MSC.263(84) and MSC.306(87) is printed in italics and reference made to the Resolution/Recommendation and subclause number.
This document covers equipment construction and testing. Matters relating to installation can be found in the Inmarsat Maritime design and installation guidelines (see Bibliography). Those to be found in IMO Resolutions MSC.513(105), MSC.263(84) and MSC.306(87) are reproduced in Annex A.
Responsibility for type approval of Inmarsat-C and Inmarsat-EGC is vested in Inmarsat by IMO Resolutions MSC.513(105) and MSC.306(87) (see 4.2.1). Therefore, this document does not reproduce Inmarsat test procedures in full but refers to where they are given in Inmarsat documentation cited in the normative references to this document (Annex C).
NOTE 2 For the purposes of this document the terms Inmarsat C, Inmarsat-C, Inmarsat Standard-C, Standard-C refer to the same equipment.

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