ETSI ETS 300 338 ed.1 (1995-11)

Radio Equipment and Systems (RES); Technical characteristics and methods of measurement for equipment for generation, transmission and reception of Digital Selective Calling (DSC) in the maritime MF, MF/HF and/or VHF mobile service

DE/RES-01-05

Radijska oprema in sistemi (RES) – Tehnične karakteristike in merilne metode za naprave, ki generirajo, oddajajo in sprejemajo digitalni selektivni klic v pomorski službi na srednjevalovnem, srednje/kratkovalovnem in UKV področju

General Information

• Status: Published
• Publication Date: 29-Nov-1995
• Technical Committee: RES 1 - Maritime Mobile
• Current Stage: 12 - Completion
• Due Date: 31-Dec-1995
• Completion Date: 30-Nov-1995
• Ref Project: SIST ETS 300 338 E1:2003 - Radio Equipment and Systems (RES); Technical characteristics and methods of measurement for equipment for generation, transmission and reception of Digital Selective Calling (DSC) in the maritime MF, MF/HF and/or VHF mobile service

Standards Content (Sample)

SLOVENSKI STANDARD
SIST ETS 300 338 E1:2003
01-december-2003
5DGLMVNDRSUHPDLQVLVWHPL5(6±7HKQLþQHNDUDNWHULVWLNHLQPHULOQHPHWRGH]D
QDSUDYHNLJHQHULUDMRRGGDMDMRLQVSUHMHPDMRGLJLWDOQLVHOHNWLYQLNOLFYSRPRUVNL
VOXåELQDVUHGQMHYDORYQHPVUHGQMHNUDWNRYDORYQHPLQ8.9SRGURþMX
Radio Equipment and Systems (RES); Technical characteristics and methods of
measurement for equipment for generation, transmission and reception of Digital
Selective Calling (DSC) in the maritime MF, MF/HF and/or VHF mobile service
Ta slovenski standard je istoveten z: ETS 300 338 Edition 1
ICS:
33.060.20 Sprejemna in oddajna Receiving and transmitting
oprema equipment
47.020.70 Navigacijska in krmilna Navigation and control
oprema equipment
SIST ETS 300 338 E1:2003 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST ETS 300 338 E1:2003

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SIST ETS 300 338 E1:2003
EUROPEAN ETS 300 338
TELECOMMUNICATION November 1995
STANDARD
Source: ETSI TC-RES Reference: DE/RES-01-05
ICS: 33.020
radiotelephony, maritime radio, GMDSS, DSC systems
Key words:
Radio Equipment and Systems (RES);
Technical characteristics and methods of measurement for
equipment for generation, transmission and reception of Digital
Selective Calling (DSC) in the maritime MF, MF/HF and/or VHF
mobile service
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
F-06921 Sophia Antipolis CEDEX - FRANCE
Postal address:
650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
Office address:
c=fr, a=atlas, p=etsi, s=secretariat - [e-mail]
X.400: Internet:
Tel.: [phone] - Fax: [phone]
Copyright Notification: No part may be reproduced except as authorized by written permission. The copyright and the
foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 1995. All rights reserved.
New presentation - see History box

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ETS 300 338: November 1995
Whilst every care has been taken in the preparation and publication of this document, errors in content,
typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to
"ETSI Editing and Committee Support Dept." at the address shown on the title page.

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ETS 300 338: November 1995
Contents
Foreword .9
1 Scope .11
2 Normative references.11
3 General requirements .12
3.1 Construction.12
3.1.1 General.12
3.1.2 DSC signals input/output: analogue signals.12
3.1.3 DSC signals input/output: digital signals .13
3.1.4 Decoding .13
3.1.5 Accessibility.13
3.1.6 Calibration .13
3.1.7 Selection of signal characteristics .13
3.1.8 Reduction of power for VHF equipment .13
3.1.9 VHF channel 70 access .13
3.1.10 Automatic/semi-automatic service .13
3.2 Switching time.13
3.3 Frequencies .13
3.4 Classes of emission.14
3.5 Controls and indicators .14
3.5.1 General.14
3.5.2 Input panel.14
3.5.3 Light sources.14
3.5.4 Operation.14
3.5.5 Markings.15
3.5.6 Distress function.15
3.6 Facilities for equipment for coding and decoding of DSC.15
3.6.1 Composition of calls .15
3.6.2 Visual indication.15
3.6.3 Ship's identity.15
3.6.4 Entry of information .15
3.6.5 Insertion of sequence codes .16
3.6.6 Insertion of error check character .16
3.6.7 Distress call.16
3.6.8 Remote control.16
3.6.9 Single frequency distress call.16
3.6.10 Multi-frequency distress call .16
3.6.11 Distress call acknowledgement.16
3.6.12 Incoming calls.16
3.6.13 Internal memory .16
3.6.14 Automatic acknowledgement .17
3.6.15 Routine testing .17
3.7 Alarm circuits .17
3.7.1 Distress and urgency.17
3.7.2 Other categories.17
3.8 Interfaces between DSC equipment and external circuits.17
3.8.1 Remote alarms.17
3.8.2 Operational interfaces .17
3.8.3 Printer output.17
3.8.4 Other interfaces.18
3.9 Safety precautions .18
3.9.1 Excessive current and voltage .18
3.9.2 Protection .18
3.9.3 Earthing .18
3.9.4 Access.18

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ETS 300 338: November 1995
3.9.5 Memory. 18
3.10 Compass safe distance. 18
3.11 Instructions. 18
3.12 Warming-up period . 19
3.12.1 Time. 19
3.12.2 Heaters . 19
3.12.3 Heating circuits . 19
4 Test conditions. 19
4.1 General. 19
4.2 Generation and examination of the digital selective call signal. 19
4.3 Standard test signals. 19
4.3.1 References to standard test signals . 19
4.3.2 Standard test signal no. 1 . 19
4.3.3 Standard test signal no. 2 . 20
4.3.4 Standard test signal no. 3 . 20
4.3.5 Standard test signal no. 4 . 20
4.4 Determination of the symbol error rate in the output of the receiving part . 20
4.5 Impedance of test signal sources. 20
4.5.1 Equipment ports. 20
4.5.2 Impedances . 21
4.5.2.1 Non-integrated equipment . 21
4.6 Connection of test signals . 21
4.7 Test power source. 21
4.8 Internally generated signals . 22
4.9 Normal test conditions. 22
4.9.1 Normal temperature and humidity . 22
4.9.2 Normal test power source. 22
4.9.2.1 Mains voltage and mains frequency. 22
4.9.2.2 Secondary battery power source . 22
4.9.2.3 Other power sources. 22
4.10 Extreme test conditions. 22
4.10.1 Temperatures when testing under extreme conditions. 22
4.10.2 Procedures of tests at extreme temperatures . 22
4.10.3 Extreme values of test power source . 23
4.10.3.1 Mains voltage and mains frequency. 23
4.10.3.2 Secondary battery power sources. 23
4.10.3.3 Other power sources. 23
4.11 Environmental tests. 23
4.11.1 Introduction . 23
4.11.2 Procedure . 23
4.11.3 Performance check. 23
4.11.4 Vibration test. 24
4.11.4.1 Method of measurement. 24
4.11.4.2 Requirement . 25
4.11.5 Temperature tests . 25
4.11.5.1 Dry heat for externally mounted equipment . 25
4.11.5.1.1 Method of measurement . 25
4.11.5.1.2 Requirement. 25
4.11.5.2 Damp heat cycle . 25
4.11.5.2.1 Method of measurement . 25
4.11.5.2.2 Requirement. 26
4.11.5.3 Low temperature cycle for externally mounted equipment . 26
4.11.5.3.1 Method of measurement . 26
4.11.5.3.2 Requirement. 26
4.11.6 Corrosion test . 26
4.11.6.1 General . 26
4.11.6.2 Method of measurement. 26
4.11.6.3 Requirements. 27
4.11.7 Rain test. 27
4.11.7.1 General . 27
4.11.7.2 Method of measurement. 27
4.11.7.3 Requirements. 28

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4.12 Measurement uncertainty and interpretation of the measuring results.28
4.12.1 Measurement uncertainty.28
4.12.2 Interpretation of measurement results .29
5 MF/HF transmitter with integrated DSC encoder .29
5.1 Frequency error .29
5.1.1 Definition .29
5.1.2 Method of measurement .29
5.1.3 Limits.29
5.2 RF output power .29
5.2.1 Definition .29
5.2.2 Method of measurement .29
5.2.3 Limits.29
5.3 Modulation rate .30
5.3.1 Definition .30
5.3.2 Method of measurement .30
5.3.3 Limits.30
5.4 Residual modulation of the transmitter .30
5.4.1 Definition .30
5.4.2 Method of measurement .30
5.4.3 Limits.30
5.5 Unwanted emission.30
5.5.1 Definition .30
5.5.2 Method of measurement .31
5.5.3 Limits.31
5.6 Testing of generated call sequences.32
5.7 Tuning time .32
5.8 Protection of transmitter.33
5.8.1 Definition .33
5.8.2 Method of measurement .33
5.8.3 Limits.33
6 VHF transmitter with integrated DSC encoder .33
6.1 Frequency error (carrier).33
6.1.1 Definition .33
6.1.2 Method of measurement .33
6.1.3 Limits.33
6.2 Frequency error (demodulated signal).33
6.2.1 Definition .33
6.2.2 Method of measurement .33
6.2.3 Limits.34
6.3 Carrier power .34
6.3.1 Definition .34
6.3.2 Method of measurement .34
6.3.3 Limits.34
6.3.3.1 Normal test conditions .34
6.3.3.2 Extreme test conditions .34
6.4 Modulation index.34
6.4.1 Definition .34
6.4.2 Method of measurement .34
6.4.3 Limits.34
6.5 Modulation rate .35
6.5.1 Definition .35
6.5.2 Method of measurement .35
6.5.3 Limits.35
6.6 Residual modulation of the transmitter .35
6.6.1 Definition .35
6.6.2 Method of measurement .35
6.6.3 Limits.35
6.7 Adjacent channel power.35
6.7.1 Definition .35
6.7.2 Measurement .35
6.7.2.1 Method of measurement.35

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6.7.3 Limits . 36
6.8 Conducted spurious emissions conveyed to the antenna. 36
6.8.1 Definition. 36
6.8.2 Method of measurement. 36
6.8.3 Limit . 36
6.9 Testing of generated call sequences . 37
6.10 Transient frequency behaviour of the transmitter. 37
6.10.1 Definitions . 37
6.10.2 Method of measurement. 38
7 MF/HF DSC encoder . 41
7.1 Frequency error. 41
7.1.1 Definition. 41
7.1.2 Method of measurement. 41
7.1.3 Limits . 41
7.2 Output voltage. 41
7.2.1 Definition. 41
7.2.2 Method of measurement. 41
7.2.3 Limits . 41
7.2.3.1 Analogue voltage . 41
7.2.3.2 Binary voltage. 41
7.3 Bit stream speed . 41
7.3.1 Definition. 41
7.3.2 Method of measurement. 41
7.3.3 Limits . 42
7.4 Unwanted spectral components of the output signal . 42
7.4.1 Definition. 42
7.4.2 Method of measurement. 42
7.4.3 Limits . 42
7.5 Testing of generated call sequences . 43
7.6 Residual frequency modulation. 43
7.6.1 Definition. 43
7.6.2 Method of measurement. 43
7.6.3 Limits . 43
8 VHF DSC encoder. 43
8.1 Frequency error. 43
8.1.1 Definition. 43
8.1.2 Method of measurements. 43
8.1.3 Limits . 43
8.2 Output voltage. 44
8.2.1 Definition. 44
8.2.2 Method of measurement. 44
8.2.3 Limits . 44
8.2.3.1 Analogue voltage . 44
8.2.3.2 Binary voltage. 44
8.3 Bit stream speed . 44
8.3.1 Definition. 44
8.3.2 Method of measurement. 44
8.3.3 Limits . 44
8.4 Unwanted spectral components of the output signal . 44
8.4.1 Definition. 44
8.4.2 Method of measurement. 44
8.4.3 Limits . 45
8.5 Testing of generated call sequences . 45
8.6 Residual frequency modulation. 45
8.6.1 Definition.
...