1、 ETSI EN 301 025 V2.1.1 (2015-12) VHF radiotelephone equipment for general communications and associated equipment for Class “D“ Digital Selective Calling (DSC); Harmonised Standard covering the essential requirements of articles 3.2 and 3.3(g) of the Directive 2014/53/EU HARMONISED EUROPEAN STANDAR
2、D ETSI ETSI EN 301 025 V2.1.1 (2015-12) 2 Reference REN/ERM-TG26-137 Keywords DSC, maritime, radio, traffic, VHF ETSI 650 Route des Lucioles F-06921 Sophia Antipolis Cedex - FRANCE Tel.: +33 4 92 94 42 00 Fax: +33 4 93 65 47 16 Siret N 348 623 562 00017 - NAF 742 C Association but non lucratif enreg
3、istre la Sous-Prfecture de Grasse (06) N 7803/88 Important notice The present document can be downloaded from: http:/www.etsi.org/standards-search The present document may be made available in electronic versions and/or in print. The content of any electronic and/or print versions of the present doc
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9、I EN 301 025 V2.1.1 (2015-12) 3 Contents Intellectual Property Rights 9g3Foreword . 9g3Modal verbs terminology 9g31 Scope 10g32 References 10g32.1 Normative references . 10g32.2 Informative references 11g33 Definitions, symbols and abbreviations . 11g33.1 Definitions 11g33.2 Symbols 12g33.3 Abbrevia
10、tions . 12g34 General and operational requirements 12g34.1 General . 12g34.2 Composition . 12g34.3 Construction . 13g34.4 Controls and indicators . 13g34.5 DSC interface for non-integrated controllers . 14g34.6 Display . 14g34.7 Handset and loudspeaker 14g34.8 Safety precautions 14g34.9 Labelling. 1
11、4g34.10 Warm up . 14g35 Technical requirements 14g35.1 Switching time 14g35.2 Class of emission and modulation characteristics 15g35.3 DSC operation 15g35.3.1 General 15g35.4 Multiple watch facilities . 15g35.4.1 General 15g35.4.2 Scanning provisions 15g35.4.3 Scanning characteristics 16g36 General
12、conditions of measurement . 16g36.1 Arrangements for test signals applied to the receiver input 16g36.2 Squelch . 16g36.3 Transmission time limitation 16g36.4 Normal test modulation 16g36.5 Artificial antenna 16g36.6 Arrangements for test signals applied to the transmitter input . 17g36.7 Test chann
13、els 17g36.8 Generation and examination of the digital selective call signal . 17g36.9 Standard test signals for DSC . 17g36.10 Determination of the symbol error ratio in the output of the receiving part . 17g36.11 Void 17g36.12 Test conditions, power sources, and ambient temperatures 17g36.12.1 Norm
14、al and extreme test conditions 17g36.12.2 Test power source . 18g36.13 Normal test conditions 18g36.13.1 Normal temperature and humidity 18g36.13.2 Normal power sources 18g36.13.2.1 Battery power source. 18g36.13.2.2 Other power sources 18g36.14 Extreme test conditions 18g36.14.1 Extreme temperature
15、s . 18g36.14.2 Extreme values of test power sources . 18g3ETSI ETSI EN 301 025 V2.1.1 (2015-12) 4 6.14.2.1 Battery power source. 18g36.14.2.2 Other power sources 18g36.15 Procedure for tests at extreme temperatures . 18g37 Environmental tests 19g37.1 Introduction 19g37.2 Procedure 19g37.3 Performanc
16、e check . 19g37.4 Vibration test 19g37.4.1 Definition 19g37.4.2 Method of measurement . 20g37.4.3 Requirement 20g37.5 Temperature tests . 20g37.5.1 Definition 20g37.5.2 Dry heat 20g37.5.2.1 Definition 20g37.5.2.2 Method of measurement 20g37.5.2.3 Requirement 20g37.5.3 Damp heat . 21g37.5.3.1 Definit
17、ion 21g37.5.3.2 Method of measurement 21g37.5.3.3 Requirement 21g37.5.4 Low temperature . 21g37.5.4.1 Definition 21g37.5.4.2 Method of measurement 21g37.5.4.3 Requirement 21g38 Transmitter . 21g38.1 Frequency error 21g38.1.1 Definition 21g38.1.2 Method of measurement . 21g38.1.3 Limits 22g38.2 Carri
18、er power 22g38.2.1 Definition 22g38.2.2 Method of measurement . 22g38.2.3 Limits 22g38.2.3.1 Normal test conditions 22g38.2.3.2 Extreme test conditions . 22g38.3 Frequency deviation . 22g38.3.1 Definition 22g38.3.2 Maximum permissible frequency deviation 22g38.3.2.1 Method of measurement 22g38.3.2.2
19、 Limits 23g38.3.3 Reduction of frequency deviation at modulation frequencies above 3 kHz 23g38.3.3.1 Method of measurement 23g38.3.3.2 Limits 23g38.4 Sensitivity of the modulator, including microphone 24g38.4.1 Definition 24g38.4.2 Method of measurement . 24g38.4.3 Limits 24g38.5 Audio frequency res
20、ponse 24g38.5.1 Definition 24g38.5.2 Method of measurement . 25g38.5.3 Limit . 25g38.6 Audio frequency harmonic distortion of the emission 25g38.6.1 Definition 25g38.6.2 Method of measurement . 26g38.6.2.1 General 26g38.6.2.2 Normal test conditions 26g38.6.2.3 Extreme test conditions . 26g38.6.3 Lim
21、its 26g38.7 Adjacent channel power . 26g3ETSI ETSI EN 301 025 V2.1.1 (2015-12) 5 8.7.1 Definition 26g38.7.2 Method of measurement . 26g38.7.3 Limits 27g38.8 Conducted spurious emissions conveyed to the antenna 27g38.8.1 Definition 27g38.8.2 Method of measurement . 27g38.8.3 Limit . 27g38.9 Cabinet r
22、adiation and conducted spurious emissions other than those conveyed to the antenna . 27g38.9.1 Definitions 27g38.9.2 Method of measurement . 27g38.9.3 Limits 28g38.10 Transient frequency behaviour of the transmitter . 28g38.10.1 Definitions 28g38.10.2 Method of measurement . 29g38.10.3 Limits 31g38.
23、11 Residual modulation of the transmitter 31g38.11.1 Definition 31g38.11.2 Method of measurement . 31g38.11.3 Limit . 31g38.12 Frequency error (demodulated DSC signal) . 31g38.12.1 Definition 31g38.12.2 Method of measurement . 31g38.12.3 Limits 32g38.13 Modulation index for DSC . 32g38.13.1 Definiti
24、on 32g38.13.2 Method of measurement . 32g38.13.3 Limits 32g38.14 Modulation rate for DSC 32g38.14.1 Definition 32g38.14.2 Method of measurement . 32g38.14.3 Limits 32g38.15 Testing of free channel transmission on DSC channel 70 32g38.15.1 Definition 32g38.15.2 Method of measurement . 32g38.15.3 Requ
25、irement 33g39 Radiotelephone receiver . 33g39.1 Harmonic distortion and rated audio-frequency output power . 33g39.1.1 Definition 33g39.1.2 Methods of measurement 33g39.1.3 Limits 33g39.2 Audio frequency response 33g39.2.1 Definition 33g39.2.2 Method of measurement . 33g39.2.3 Limits 34g39.3 Maximum
26、 usable sensitivity . 34g39.3.1 Definition 34g39.3.2 Method of measurement . 35g39.3.3 Limits 35g39.4 Co-channel rejection. 35g39.4.1 Definition 35g39.4.2 Method of measurement . 35g39.4.3 Limit . 35g39.5 Adjacent channel selectivity . 35g39.5.1 Definition 35g39.5.2 Method of measurement . 36g39.5.3
27、 Limits 36g39.6 Spurious response rejection 36g39.6.1 Definition 36g39.6.2 Method of measurement . 36g39.6.3 Limit . 36g39.7 Intermodulation response . 37g3ETSI ETSI EN 301 025 V2.1.1 (2015-12) 6 9.7.1 Definition 37g39.7.2 Method of measurement . 37g39.7.3 Limit . 37g39.8 Blocking or desensitization
28、 37g39.8.1 Definition 37g39.8.2 Method of measurement . 37g39.8.3 Limit . 38g39.9 Spurious emissions . 38g39.9.1 Definition 38g39.9.2 Method of measuring the power level 38g39.9.3 Limit . 38g39.10 Receiver radiated spurious emissions . 38g39.10.1 Definition 38g39.10.2 Method of measurements 38g39.10
29、.3 Limit . 39g39.11 Receiver residual noise level 39g39.11.1 Definition 39g39.11.2 Method of measurement . 39g39.11.3 Limit . 39g39.12 Squelch operation . 39g39.12.1 Definition 39g39.12.2 Method of measurement . 40g39.12.3 Limits 40g39.13 Squelch hysteresis 40g39.13.1 Definition 40g39.13.2 Method of
30、 measurement . 40g39.13.3 Limit . 40g39.14 Multiple watch characteristic . 41g39.14.1 Definition 41g39.14.2 Method of measurement . 41g39.14.3 Limits 41g310 Receiver for DSC decoder 41g310.1 Maximum usable sensitivity . 41g310.1.1 Definition 41g310.1.2 Method of measurement . 41g310.1.3 Limits 42g31
31、0.2 Co-channel rejection. 42g310.2.1 Definition 42g310.2.2 Method of measurement . 42g310.2.3 Limits 42g310.3 Adjacent channel selectivity . 42g310.3.1 Definition 42g310.3.2 Method of measurement . 42g310.3.3 Limits 42g310.4 Spurious response and blocking immunity . 43g310.4.1 Definition 43g310.4.2
32、Method of measurement . 43g310.4.3 Limits 43g310.5 Intermodulation response . 43g310.5.1 Definition 43g310.5.2 Method of measurement . 43g310.5.3 Limits 43g310.6 Dynamic range . 44g310.6.1 Definition 44g310.6.2 Method of measurement . 44g310.6.3 Limit . 44g310.7 Spurious emissions . 44g310.7.1 Defin
33、ition 44g310.7.2 Method of measuring the power level 44g310.7.3 Limit . 44g310.8 Simultaneous reception 44g3ETSI ETSI EN 301 025 V2.1.1 (2015-12) 7 10.8.1 Definition 44g310.8.2 Method of measurement . 44g310.8.3 Limits 45g310.9 DSC Signalling . 45g310.9.1 Display 45g310.9.2 Watchkeeping receiver . 4
34、5g310.9.3 Individual DSC calls . 45g310.9.4 All ships calls 45g310.9.5 DSC call functionality 45g310.9.6 DSC message composition . 45g310.9.7 Prioritized wait 45g310.9.8 Alarms 45g310.9.9 Standby . 45g310.9.10 Sending distress automated requirements . 45g310.9.11 Display- sending distress 45g310.9.1
35、2 Distress button sub procedure . 46g310.9.13 Transmission of the alert attempt 46g310.9.14 Updating position 46g310.9.15 Handling received DSC messages - sending distress 46g310.9.16 Alarms - sending distress 46g310.9.17 Determining subsequent communications - sending distress 46g310.9.18 Automated
36、 tuning - sending distress . 46g310.9.19 Cancelling the distress alert 46g310.9.20 Acknowledgements - sending distress 46g310.9.21 Termination - sending distress 46g310.9.22 Warnings - sending distress 46g310.9.23 Tasks - receiving distress 46g310.9.24 Display - receiving distress . 46g310.9.25 Hand
37、ling received DSC messages - receiving distress . 46g310.9.26 Alarms - receiving distress . 47g310.9.27 Determining subsequent communications - receiving distress . 47g310.9.28 Automated tuning - receiving distress 47g310.9.29 Acknowledgements - receiving distress 47g310.9.30 Termination - receiving
38、 distress 47g310.9.31 Warnings - receiving distress 47g310.9.32 Tasks - sending non distress . 47g310.9.33 Display - sending non distress 47g310.9.34 Handling received DSC messages - sending non distress . 47g310.9.35 Alarms - sending non distress . 47g310.9.36 Automated tuning - sending non distres
39、s 47g310.9.37 Delayed acknowledgements - sending non distress 47g310.9.38 Termination - sending non distress . 47g310.9.39 Warnings - sending non distress . 47g310.9.40 Tasks - receiving non distress . 48g310.9.41 Display - receiving non distress 48g310.9.42 Handling received DSC messages - receivin
40、g non distress 48g310.9.43 Alarms - receiving non distress . 48g310.9.44 Automated tuning - receiving non distress . 48g310.9.45 Acknowledgements - receiving non distress . 48g310.9.46 Termination - receiving non distress . 48g310.9.47 Warnings - receiving non distress . 48g310.9.48 Communication au
41、tomated procedure 48g310.9.49 Tasks - communication . 48g310.9.50 Display - communication 48g310.9.51 Handling received DSC messages - communication 48g310.9.52 Tuning of the receiver and transmitter - communication 48g310.9.53 Termination - communication. 48g310.9.54 Tasks of handling incoming call
42、s while engaged . 49g310.9.55 Termination of automated procedures 49g310.9.56 Actions after termination of an automated procedure . 49g310.9.57 Putting automated procedures on hold 49g310.9.58 Controlling non-terminated automated procedures on hold 49g3ETSI ETSI EN 301 025 V2.1.1 (2015-12) 8 11 Test
43、ing for compliance with technical requirements 49g311.1 Test conditions, power supply and ambient temperatures 49g311.2 Interpretation of the measurement results 49g3Annex A (normative): Relationship between the present document and the essential requirements of Directive 2014/53/EU . 51g3Annex B (n
44、ormative): Measuring receiver for adjacent channel power measurement . 54g3B.1 Power measuring receiver specification . 54g3B.1.1 General . 54g3B.1.2 IF filter . 54g3B.1.3 Attenuation indicator 55g3B.1.4 r.m.s. value indicator 55g3B.1.5 Oscillator and amplifier 55g3Annex C (informative): Bibliograph
45、y . 56g3History 57g3ETSI ETSI EN 301 025 V2.1.1 (2015-12) 9 Intellectual Property Rights IPRs essential or potentially essential to the present document may have been declared to ETSI. The information pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members,
46、 and can be found in ETSI SR 000 314: “Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in respect of ETSI standards“, which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web server (http:/ipr.etsi.org). Pursuant to th
47、e ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web server) which are, or may be, or may become, essential to the present document. For
48、eword This Harmonised European Standard (EN) has been produced by ETSI Technical Committee Electromagnetic compatibility and Radio spectrum Matters (ERM). The present document has been prepared in reply to the Commissions standardisation request Commission Implementing Decision C(2015) 5376 final of
49、 04.08.2015 to provide a means of conforming to the essential requirements of Directive 2014/53/EU on the harmonisation of the laws of the Member States relating to the making available on the market of radio equipment. Once the present document is cited in the Official Journal of the European Union under that Directive, compliance with the normative clauses of the present document given in tables A.1 and A.2 confers, within the limits of the scope of the present document, a presumption of conformity with the corresponding essential requirements of that Directive, and associa
