1、CEPT T/R*34=01*E 88 W 232b4L4 0012415 9TL W Page 1 0 TR34-01 E Recommendation T/R 34-01 (The Hague 1972, revised at Malaga-Torremolinos 1975, Stockholm 1977, Ostend 1979, Brussels 1980, Innsbruck 1981, Vienna 1982, Cannes 1983, Nice 1985, Odense 1986 and Copenhagen 1987) SPECIFICATIONS FOR MARITIME
2、MOBILE RADIO EQUIPEMENT) Recommendation proposed by the “Radiocommunications” Working Group T/WG 3 (R) Text of the revised Recommendation adopted by the “Telecommunications” Commission: “The European Conference of Postal and Telecommunications Administrations, considering (a) that within Europe ther
3、e is an increasing volume of radio communications with coastal stations and of trade in (b) that the different characteristics required for maritime mobile radio equipment in each country are causing serious (c) that it is therefore highly desirable to harmonise the various national specifications w
4、ithin Europe, including the (d) that it is desirable for information on type approval tests carried out in the various countries to be exchanged (e) that mutual recognition of type approval certificates is the evident objective, (f) that it is necessary to consider the technical characteristics of e
5、ach of the categories of maritime mobile radio equipment which have to comply with the Radio Regulations and the Convention for the Safety of Life at Sea, maritime mobile radio equipment, difficulties for Administrations and for the manufacturers of such equipment, methods of measurement, for mariti
6、me mobile radio equipment, between the Administrations where the latter so request, recommends 1. that the CEPT members adopt and incorporate, as soon as is practically feasible, the contents of the Annexes to this Recommendation in their national specifications for maritime mobile radio equipment.
7、It is, however, acknowledged that the characteristics currently contained in the Annexes are not necessarily sufficient to constitute complete satisfactory specifications, 2. that work on harmonising the various national specifications of the Member Administrations should proceed as appears necessar
8、y.” - Annex I: Specifications for single-sideband radiotelephone transmitters and receivers in the maritime mobile service operating in medium- and high-frequency bands - Annex II: Specifications for radiotelephone transmitters and receivers in the maritime mobile service operating in medium- and hi
9、gh-frequency bands - Annex III: Specifications for a watchkeeping radiotelephone receiver on the distress frequency 2 182 kHz - Annex IV: Specifications for radiotelephone alarm generators - Annex V: Specifications for radiotelegraph alarm transmitters - Annex VI: Environmental tests for maritime ra
10、dio equipment ) Additional information concerning the current implementation of this Recommendation is provided in L: Appendices. Edition of September 15. 1988 TIR 34-01 E Page 2 - Annex VII: - Annex VIII: - Annex IX: - Annex X: - Annex XI: - Annex XII: - Annex XIII: CEPT T/R*34-O1*E 88 2326414 O032
11、416 838 O Technical specifications for main receivers in the maritime mobile service Technical specifications for the maritime main transmitter Technical specifications for the radiotelegraph auto alarm receiver Technical specifications for narrow-band direct-printing telegraph equipment for receivi
12、ng meteorological or navigational information (NAVTEX receiver) Technical specifications for emergency position-indicating radio beacons (EPIRBs) operat- ing on the frequencies 121.5 MHz and 243 MHz Performance specifications for portable UHF radiotelephone equipment for on board communications for
13、sea-going ships Performance specifications for equipment for the generation, transmission and reception of digital selective calls in the maritime MF/HF and VHF mobile service O Edition of September 15, 1988 CEPT T/RU34-OL*E 88 232b4L4 OOL24L7 774 TIR 34-01 E Annex I, Page 1 Annex I Specifications f
14、or single-sideband radiotelephone transmitters and receivers in the maritime mobile service operating in medium- and high-frequency bands Note: Text approved by the “Teiecommunicdtions“ Commission at Stockholm (1977), amended at Ostend (1979), Innsbruck (198 l), Vienna (1982) and Nice (1985). Editio
15、n of September 15, 1988 CEPT T/R*34-OL*E 232b4L4 OOL24L bOO H TIR 34-01 E Annex I. Page 3 Table of contents 1 . INTRODUCTION . Page 4 2 . GENERAL CONDITIONS 4 2.1. Construction . 4 2.2. Controls (General) . 4 2.3. Safety precautions . 5 2.4. Classes of emission and frequencies 5 3 . TEST CONDITIONS,
16、 POWER SUPPLY AND AMBIENT TEMPERATURES . 3.1. Normal and extreme test conditions . 5 3.2. Test power source . 6 3.3. Normal test conditions . 6 3.4. Extreme test conditions . 6 3.5. Procedure for tests at extreme temperatures 6 3.6. Environmental tests 6 3.7. Warm-uptime 7 4 . TRANSMITTER . 7 5 4.1.
17、 4.2. 4.3. 4.4. 4.5. 4.6. 4.7. 4.8. 4.9. 4.10. 4.11. General Artificial antenna Output power Automatic level control, limiter or combined level controlflimiter Frequency precision and stability Audio-frequency response . Spurious emission power . Noise and hum power Continuous operation . Command an
18、d control equipment Transmitter protection 5 . RECEIVER 5.1. General 5.2. General measurement conditions 5.4. Vibration-induced frequency modulation. 5.5. Intermediate-frequency and audio-frequency passbands . . 5.6. Maximum usable sensitivity 5.7. 5.8. Two-signal selectivity tests (blocking and cro
19、ss-modulation) 5.9. Intermodulatiou . 5.10. Spurious response selectivity 5.1 1 . Harmonic output level 5.12. Audio-frequency intermodulation 5.13. Spurious emissions 5.15. Gain control 5.16. Protection of input circuits 5.3. Tuning error and tuning drift . Adjacent channel signal selectivity . 5.14
20、. Spurious signals originating internally . . 7 . 8 . 8 . 8 . 8 . 9 . 9 . 9 . 9 . 10 . 10 . 10 . 10 . 11 . 12 . 12 . 13 . 13 . 14 . 15 . 15 . 16 . 16 . 16 . 17 . 17 . 17 . 18 Edition of September 15 . 1988 CEPT T/R*34-O3*E 88 2326434 0032439 547 D TfR34-01 E Annex I, Page 4 1. 2. 2.1. 2.1.1. 2.1.2.
21、2.1.3. 2.1.4. 2.1.5. 2.1.6. 2.1.7. 2.2. 2.2. I. 2.2.2. 2.2.3. 2.2.4. 2.2.5. INTRODUCTION These specifications set out the minimum characteristics required for single-sideband radiotelephone transmitters and receivers used on board ships and operating in the medium- and high-frequency bands allocated
22、 to the maritime mobile service by the Radio Regulations. The characteristics take into account the provisions of the Radio Regulations and the Convention for the Safety of Life at Sea (1974). GENERAL CONDITIONS Construction The mechanical and electrical construction and finish of the equipment shal
23、l conform in all respects with good engineering practice and the equipment shall be suitable for use on board ships at sea. All controls shall be of sufficient size to enable the usual control functions to be performed and the number of controls shall be the minimum necessary for satisfactory operat
24、ion. All controls, instruments, monitoring devices and input/output points shall be clearly indicated. A label indicating the type of equipment submitted for the type approval tests shall be affixed to the equipment so as to be clearly visible in the normal operating position. Full technical documen
25、tation shall be provided with the equipment. Measures shall be taken to ensure correct operation when duplex is used and precautions shall be taken to prevent harmful electrical or acoustic feedback which might produce a build-up of oscillations. All parts of the equipment to be checked during inspe
26、ction or maintenance operations shall be readily accessible. The components shall be readily identifiable either from markings on the equipment or from its technical description. The brightness of any equipment lighting which might impair navigation shall be capable of being reduced to zero. Control
27、s (General) The transmission and reception frequencies shall be capable of being selected independently of each other. A switch shall be provided for changing over the equipment from reception to transmission and vice versa without it being necessary to use any other control. If manual switching is
28、used, the control for the switching device shall be located on the microphone or the telephone handset. When this switch is in the released position, the equipment shall be in reception mode. Whatever the frequency on which the transmitter is operating, it shall be capable of being made ready to ope
29、rate on any other frequency in the same maritime mobile service band within no more than 15 seconds. Where transmitters are designed to operate in two or more maritime mobile service bands, a maximum 30 seconds may ballowed as the time necessary to change from operating in one maritime mobile servic
30、e band to operating on any chosen frequency in another band covered by the transmitter and allocated to this service. However, the time allowed for switching the transmitter from operation on any given frequency in any of the bands which it can cover, to operation on 2,182 kHz shall in no case be mo
31、re than 15 seconds. These requirements shall also be fulfilled by the receiver. Nore. It is desirable to reduce this time to 15 seconds and the Administrations should encourage the development of equipment which will enable the time of 15 seconds to be adopted in the specifications as quickly as pos
32、sible. Markings shall be provided for identifying all the settings and controls necessary to make the transmitter and receiver ready to operate on 2,182 kHz, so that this operation can easily be performed. Markings shall be provided for identifying all the settings and controls necessary to make the
33、 transmitter and receiver ready to operate on 2,182 kHz, so that this operation can easily be performed. Edition of September 15. 1988 CEPT T/R*34-O1*E 88 = 2326414 0012420 269 = 2.3. 2.3.1. 2.3.2. 2.3.3. 2.3.4. 2.3.5. 2.4. 2.4.1. 2.4.1.1. 2.4.1.2. 2.4.1.3. 2.4.1.4. 2.4.2. 2.4.2.1. 2.4.2.2. 2.4.2.3.
34、 3. 3.1. TIR 34-01 E Annex I, Page 5 Safety precautions Measures shall be taken to protect the equipment against the effects of overcurrent or overvoltage and against an excessive temperature increase in any part of the equipment as a result of a breakdown of the cooling system. Measures shall be ta
35、ken to prevent damage to the equipment if the power source produces transient voltage variations, and to prevent any damage that might arise from an accidental reversal of polarity at the power source. Measures shall be taken to ensure that the accessible parts of the equipment are earthed, but this
36、 shall not result in any terminal of the electrical power source being earthed. All components and wiring in which the DC or AC voltage (other than radio-frequency voltage) produce, singly or in combination, a peak voltage in excess of 50 volts, shall be protected against any accidental access and s
37、hall automatically be isolated from all electrical power sources if the protective covers are removed. Alternatively, the equipment shall be constructed in such a way as to prevent access to components operating at such voltages unless an appropriate tool is used such as a nut-spanner or screwdriver
38、. Conspicuous warning labels shall be affixed both inside the equipment and on the protective covers. The information in any memory system shall be preserved for at least ten seconds in the event of any power cut. Classes of emission and frequencies Classes of emission The equipment shall permit tra
39、nsmission, reception or both transmission and reception in the upper sideband, of signals in all the following classes of emission: J3E single-sideband telephony where the carrier power is at least 40 dB lower than the peak envelope power; H3E single-sideband telephony where the carrier power is 4.5
40、 to 6 dB lower than the peak envelope power. The receiver shall also permit the reception of signals in the following classes of emission: A3E double-sideband telephony with full carrier; R3E single-sideband telephony with reduced carrier. The transmitter may also permit the transmission of signals
41、in the R3E class of emission in the upper sideband, with reduced carrier (carrier 16 to 20 dB lower than the peak envelope power). The frequencies shall be designated by the value of the carrier which shall be indicated on the equipment. Frequency bands Medium-frequency bands The equipment shall per
42、mit transmission, reception or both transmission and reception in the appropriate frequency bands between 1,605 kHz and 4,000 kHz allocated to the maritime mobile service by the Radio Regulations. Note. In Region 1, the medium-frequency bands allocated to the maritime mobile service extend only as f
43、ar as 3,800 kHz. In Region 3, these bands extend to 3,900 kHz and in Region 2 to 4,000 kHz. High-frequency bands The equipment shall permit transmission, reception or both transmission and reception in the appropriate frequency bands between 4 MHz and 28 MHz allocated to the maritime mobile service
44、by the Radio Regulations. It shall be possible to switch by means of a single operation from one class of emission to any other for which the transmitter is designed. - TEST CONDITIONS, POWER SUPPLY AND AMBIENT TEMPERATURES Normal and extreme test conditions Type approval tests shall be made under n
45、ormal test conditions and also, where stated, under extreme conditions. The test conditions and procedures are described in paragraphs 3.2. to 3.5. below. Edition of September 15, 1988 CEPT T/R*34-O3*E 88 2326434 0012423 IT5 m TIR 34-01 E Annex 1, Page 6 3.2. Test power source During type approval t
46、ests, the equipments power supply shall be provided by a test power source capable of producing normal and extreme test voltages as specified in paragraphs 3.3.2. and 3.4.2. During the tests, the power source voltage shall be maintained within a tolerance of f 3% relative to the voltage level at the
47、 beginning of each test. 3.3. Normal test conditions 3.3.1. Normal temperature and humidity The normal temperature and humidity conditions for tests shall be fixed by any convenient combination of temperature and humidity within the following limits: - temperature + 15C to +35“C - relative humidity
48、20% to 75%. Note. When it is impracticable to carry out the tests under the conditions specified above, a note stating the actual temperature and relative humidity during the tests shall be added to the test report. 3.3.2. Normal test power supply 3.3.2.1. Mains voltage and frequency O The normal te
49、st voltage for equipment to be connected to the mains shall be the nominal mains voltage. For the purpose of these specifications, the nominal mains voltage shall be the declared voltage or any of the declared voltages for which the equipement is indicated as having been designed. The frequency of the test power source used instead of the AC mains shall be 50 Hz f 1 Hz. 3.3.2.2. Power source from an accumulator Where the equipment is designed to operate from an accumulator, the normal test voltage shall be the nominal voltage of the battery (12 volts, 24 volts, etc.). For operation fr
