IEC 61097-4-2012 Global maritime distress and safety system (GMDSS) - Part 4 Inmarsat-C ship earth station and Inmarsat enhanced group call (EGC) equipment - Operational and perfor.pdf

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1、 IEC 61097-4 Edition 3.0 2012-05 INTERNATIONAL STANDARD 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 IEC 61097-4:2012(E)

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9、r Service Centre: csciec.ch. IEC 61097-4 Edition 3.0 2012-05 INTERNATIONAL STANDARD 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

10、 results INTERNATIONAL ELECTROTECHNICAL COMMISSION U ICS 47.020.70 PRICE CODE ISBN 978-2-83220-108-4 Registered trademark of the International Electrotechnical Commission Warning! Make sure that you obtained this publication from an authorized distributor. 2 61097-4 IEC:2012(E) CONTENTS FOREWORD . 4

11、 1 Scope . 6 2 Normative references . 6 3 Performance requirements . 7 3.1 Overview . 7 3.2 Non-operational requirements . 8 3.2.1 General . 8 3.2.2 Warning of radiation hazard . 8 3.2.3 Power supply changeover 8 3.3 Operational requirements for ship earth stations . 8 3.3.1 Capabilities . 8 3.3.2 S

12、hip station identity . 8 3.3.3 Distress alerting 8 3.3.4 Position updating . 9 3.4 Operational requirements for EGC receivers . 9 3.4.1 Capabilities . 9 3.4.2 General . 10 3.4.3 Position and area code updating 10 3.4.4 Indication of receipt of priority message 10 3.4.5 Indication of tuning and synch

13、ronisation 10 3.4.6 Printing selection . 11 3.4.7 Printing device . 11 3.5 Performance related requirements from IEC 60945 . 11 3.6 Other requirements . 11 3.7 Long-range identification and tracking . 12 3.7.1 General . 12 3.7.2 Capabilities . 12 3.7.3 Functionality 13 3.7.4 Communication system 14

14、4 Technical characteristics 14 4.1 Overview . 14 4.2 Environmental and electromagnetic compatibility requirement . 14 4.3 Radiated spurious emissions . 15 5 Methods of testing and required test results . 15 5.1 Overview . 15 5.1.1 General . 15 5.1.2 Performance requirements 15 5.1.3 Technical charac

15、teristics . 16 5.2 Tests of non-operational requirements 16 5.3 Tests of operational requirements for ship earth stations . 16 5.3.1 Capabilities . 16 5.3.2 Ship station identity . 16 5.3.3 Distress alerting 16 5.3.4 Position updating . 16 5.4 Tests of operational requirements for EGC receivers . 17

16、 61097-4 IEC:2012(E) 3 5.4.1 Capabilities . 17 5.4.2 General . 17 5.4.3 Position and area code updating 17 5.4.4 Indication of receipt of priority message 17 5.4.5 Indication of tuning and synchronisation 17 5.4.6 Printing selection . 18 5.4.7 Printing device . 18 5.5 Tests of performance related re

17、quirements from IEC 60945 18 5.6 Tests of other requirements . 18 5.7 Long-range identification and tracking . 18 5.7.1 General . 18 5.7.2 Capabilities . 18 5.7.3 Functionality 19 5.7.4 Communication system 19 5.8 Tests of technical characteristics . 20 5.8.1 Inmarsat tests 20 5.8.2 Tests for enviro

18、nmental and electromagnetic compatibility 20 Annex A (normative) Requirements relating to installation . 21 Annex B (normative) Radiated unwanted emissions . 22 Annex C (informative) Inmarsat RTP schedule of tests. 25 Bibliography 29 Table 1 Data to be transmitted from the shipborne equipment 14 Tab

19、le 2 Environmental conditions 15 Table B.1 Limits of unwanted emissions up to 1 000 MHz 22 Table B.2 Limits of unwanted emissions above 1 000 MHz 23 Table B.3 Limits of unwanted emission within the operating band with carrier-on . 24 Table C.1 Phase I Inmarsat-C schedule of tests . 25 Table C.2 Phas

20、e I EGC receiver schedule of tests . 27 Table C.3 Phase II schedule of tests 28 4 61097-4 IEC:2012(E) INTERNATIONAL ELECTROTECHNICAL COMMISSION _ GLOBAL MARITIME DISTRESS AND SAFETY SYSTEM (GMDSS) Part 4: Inmarsat-C ship earth station and Inmarsat enhanced group call (EGC) equipment Operational and

21、performance requirements, methods of testing and required test results FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National Committees). The object of IEC is to promote intern

22、ational co-operation on all questions concerning standardization in the electrical and electronic fields. To this end and in addition to other activities, IEC publishes International Standards, Technical Specifications, Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter

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28、ormity. Independent certification bodies provide conformity assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any services carried out by independent certification bodies. 6) All users should ensure that they have the latest edition of this publica

29、tion. 7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and members of its technical committees and IEC National Committees for any personal injury, property damage or other damage of any nature whatsoever, whether direct or indirect, or

30、 for costs (including legal fees) and expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC Publications. 8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is indispensable for the correc

31、t application of this publication. 9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights. International Standard IEC 61097-4 has been prepared by

32、IEC technical committee 80: Maritime navigation and radiocommunication equipment and systems. This third edition cancels and replaces the second edition published in 2007. This edition constitutes a technical revision. The main changes with respect to the previous edition are: the IMO references and

33、 requirements have been updated to the new performance standards for enhanced group call equipment adopted in 2010 as resolution MSC.306(87). The new performance standards incorporate new requirements for an indication of ships position which has not been updated (3.4.3) and an alarm for paper low c

34、ondition (3.4.7). 61097-4 IEC:2012(E) 5 These two requirements are, however, derived from Inmarsat documentation so there is no technical change to equipment; a new subclause has been added (3.7) concerning long-range identification and tracking (LRIT) to support IMO performance standards given in r

35、esolution MSC.263(84) adopted in 2008; references to Inmarsat documentation have been simplified by moving the content of Tables 1, 2, 4 and 5 into a new Annex C; the text has been editorially updated to conform to the ISO/IEC Directives. The text of this standard is based on the following documents

36、: FDIS Report on voting 80/659/FDIS 80/666/RVD Full information on the voting for the approval of this standard can be found in the report on voting indicated in the above table. This publication has been drafted in accordance with the ISO/IEC Directives, Part 2. A list of all parts of IEC 61097 ser

37、ies, published under the general title Global maritime distress and safety system (GMDSS), can be found on the IEC website. The committee has decided that the contents of this publication will remain unchanged until the stability date indicated on the IEC web site under “http:/webstore.iec.ch“ in th

38、e data related to the specific publication. At this date, the publication will be reconfirmed, withdrawn, replaced by a revised edition, or amended. A bilingual version of this publication may be issued at a later date. 6 61097-4 IEC:2012(E) GLOBAL MARITIME DISTRESS AND SAFETY SYSTEM (GMDSS) Part 4:

39、 Inmarsat-C ship earth station and Inmarsat enhanced group call (EGC) equipment Operational and performance requirements, methods of testing and required test results 1 Scope This part of IEC 61097 specifies the performance requirements and methods of testing for Inmarsat-C ship earth stations (SES)

40、 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 in

41、stallation 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. Cl

42、ass 3: As class 1 but with EGC using an independent receiver. NOTE 1 The 34 thsession 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. The standard compl

43、ies 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 standard. Technical characteristics essential to GMDSS and LRIT operation as d

44、efined by the IMO are identified. All text of this standard, whose wording is identical to that in IMO SOLAS Convention 1974 as amended in 1988 and Resolutions A.807(19), MSC.263(84) and MSC.306(87) is printed in italics and reference made to the Resolution/Recommendation and subclause number. This

45、standard covers equipment construction and testing. Matters relating to installation may also be found in the Inmarsat Maritime design and installation guidelines (see Bibliography). Those to be found in IMO Resolutions A.807(19), MSC.263(84) and MSC.306(87) are reproduced in Annex A. Responsibility

46、 for type approval of Inmarsat-C and Inmarsat-EGC is vested in Inmarsat by IMO Resolutions A.807(19) and MSC.306(87) (see 3.2.1). Therefore, this standard does not reproduce Inmarsat test procedures in full, but refers to where they are given in Inmarsat documentation cited in the normative referenc

47、es to this standard (Annex C). NOTE 2 For the purposes of this standard the terms Inmarsat-C, Inmarsat Standard-C, Standard-C refer to the same equipment. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its ap

48、plication. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. 61097-4 IEC:2012(E) 7 IEC 60945:2002, Maritime navigation and radiocommunication equipment and systems General requirements Metho

49、ds of testing and required test results IEC 61108 (all parts), Maritime navigation and radiocommunication equipment and systems Global navigation satellite systems (GNSS) IEC 61162-1, Maritime navigation and radiocommunication equipment and systems Digital interfaces Part 1: Single talker and multiple listeners IMO, International Convention for the safety of life at sea (SOLAS),1974 as amended IMO Resolution A.694(17):1991, General requirements for shipborne radio equipment