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eLibrary > BS EN IEC 61993-2:2018 Maritime navigation and radiocommunication equipment and systems. Automatic Identification Systems (AIS) - Class A shipborne equipment of the automatic identification system (AIS). Operational and performance requirements, methods o >

BS EN IEC 61993-2:2018 Maritime navigation and radiocommunication equipment and systems. Automatic Identification Systems (AIS) - Class A shipborne equipment of the automatic identification system (AIS). Operational and performance requirements, methods o, 2018

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BS EN IEC 61993-2:2018 Maritime navigation and radiocommunication equipment and systems. Automatic Identification Systems (AIS) - Class A shipborne equipment of the automatic identification system (AIS). Operational and performance requirements, methods o, 2018

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Annex ZA(normative)Normative references to international publicationswith their corresponding European publications
English [Go to Page]
CONTENTS
FOREWORD
1 Scope
2 Normative references
3 Terms, definitions and abbreviated terms [Go to Page]
3.1 Terms and definitions
3.2 Abbreviated terms
4 General requirements [Go to Page]
4.1 General [Go to Page]
4.1.1 Overview
4.1.2 General requirements
4.1.3 Capabilities of the AIS
4.1.4 Additional requirements
4.1.5 Transmitter shutdown procedure
4.1.6 Quality assurance
4.2 Modes of operation
4.3 Manuals
4.4 Marking and identification
5 Other requirements [Go to Page]
5.1 Environmental, power supply, special purpose and safety requirements
5.2 Display of information
5.3 Update of software
6 Performance requirements [Go to Page]
6.1 Composition
6.2 Time and position [Go to Page]
6.2.1 Source for UTC
6.2.2 Source for AIS position reporting
6.3 User interface
6.4 Identification
6.5 Information [Go to Page]
6.5.1 Information provided by the AIS
Tables [Go to Page]
Table 1 –Talker IDs for automatic detection of electronic position fixing system type [Go to Page]
6.5.2 Information reporting intervals
6.5.3 Ship reporting capacity
6.6 Event log
Table 2 – Information reporting intervals for autonomous mode
6.7 Permissible initialization period
6.8 Power supply
6.9 Technical characteristics
6.10 Alerts and indications, fall-back arrangements [Go to Page]
6.10.1 Built-in test equipment
Table 3 – Required conditions for BIIT and reaction of the system to the condition detected
Table 4 – Classification of required alerts [Go to Page]
6.10.2 Status messages
Table 5 – Mapping between BAM alert states and ALR alert states
Table 6 – Sensor status indications signalled using TXT sentence formatter
Table 7 – Position sensor fall-back conditions
Table 8 – Use of accuracy (PA) flag
6.11 Display, input and output [Go to Page]
6.11.1 Minimum keyboard and display (MKD)
Table 9 – ROT sensor fallback conditions
Table 10 – Identification of locating devices when active
Table 11 – Identification of locating devices when in test mode
Table 12 – Identification of locating devices for type approval testing
Table 13 – Message display on MKD [Go to Page]
6.11.2 Communication test
6.11.3 Alerts and status information
Table 14 – Position quality [Go to Page]
6.11.4 Data protection
6.11.5 Distance calculation
6.12 Protection from invalid controls
7 Technical requirements [Go to Page]
7.1 General
7.2 Physical layer
Figure 1 – OSI layer model [Go to Page]
7.2.1 General
7.2.2 Transmitter parameters
Figures [Go to Page]
Figure 2 – Power versus time characteristics
Table 15 – Transmitter parameters [Go to Page]
7.2.3 Receiver parameters
7.3 Link layer [Go to Page]
7.3.1 General
Table 16 – Power versus time characteristics
Table 17 – Receiver parameters [Go to Page]
7.3.2 Link sublayer 1: Medium Access Control (MAC)
7.3.3 Link sublayer 2: Data Link Service (DLS)
7.3.4 Link sublayer 3 – Link Management Entity (LME)
Table 18 – Use of VDL messages
7.4 Network layer [Go to Page]
7.4.1 General
7.4.2 Management of regional operating settings
7.5 Transport layer
7.6 Presentation interface [Go to Page]
7.6.1 General
7.6.2 Automatic input of sensor data
Table 19 – Presentation interface access [Go to Page]
7.6.3 High-speed input/output ports
Table 20 – IEC 61162-1 sensor sentences
Table 21 – AIS high-speed input data and formats
Table 22 – AIS high-speed output data and formats
Table 23 – Property identifiers [Go to Page]
7.6.4 Long-range communication ports
Table 24 – AIS Long-range communications input data and formats [Go to Page]
7.6.5 Optional IEC 61162-450/-460 interface
Table 25 – LR output data formats
Table 26 – Default input transmission groups with applicable sentences
Table 27 – TAG block parameters
Table 28 – CRP sentences applicable for Class A AIS [Go to Page]
7.6.6 Test of the optional IEC 61162-450/-460 interface
7.6.7 BIIT alert output
Table 29 – Tests to be repeated for IEC 61162-450 interface
8 Long-range applications [Go to Page]
8.1 General
8.2 Long-range application by two-way interface [Go to Page]
8.2.1 General
8.2.2 Interrogations and responses
8.2.3 Manual and automatic response
8.2.4 Data formats and contents
8.2.5 Addressing AIS-units
8.3 Long-range application by broadcast
Table 30 – LR data types
9 Test conditions [Go to Page]
9.1 Normal and extreme test conditions [Go to Page]
9.1.1 Normal test conditions
9.1.2 Extreme test conditions
9.2 Standard test environment
9.3 Additional test arrangements [Go to Page]
9.3.1 Arrangements for test signals applied to the receiver input
9.3.2 Encoder for receiver measurements
9.3.3 Waiver for receivers
9.3.4 Impedance
9.3.5 Artificial antenna (dummy load)
9.3.6 Facilities for access
9.3.7 Modes of operation of the transmitter
9.4 Common test conditions for protection from invalid controls
9.5 Measurement uncertainties
10 Test signals [Go to Page]
10.1 Standard test signal number 1 (DSC)
10.2 Standard test signal number 2 (TDMA)
10.3 Standard test signal number 3 (TDMA)
10.4 Standard test signal number 4 (PRBS)
10.5 Standard test signal number 5 (PRBS)
Figure 3 – Format for repeating four-packet cluster
Table 31 – Content of first two packets
Table 32 – Fixed PRS data derived from Recommendation ITU-T O.153
11 Power supply, special purpose and safety tests
12 Environmental tests
13 EMC tests
14 Operational tests [Go to Page]
14.1 Identification and operating modes [Go to Page]
14.1.1 Autonomous mode
14.1.2 Assigned mode
14.1.3 Polled mode
14.1.4 Addressed operation
14.1.5 Broadcast operation
14.1.6 Multiple slot messages
14.2 Manuals, marking and identification [Go to Page]
14.2.1 Method of measurement
14.2.2 Required results
14.3 Information [Go to Page]
14.3.1 Information provided by the AIS
14.3.2 Reporting intervals
14.4 Event log [Go to Page]
14.4.1 Method of measurement
14.4.2 Required results
14.5 Software update [Go to Page]
14.5.1 Method of measurement
14.5.2 Required results
14.6 Initialization period [Go to Page]
14.6.1 Method of measurement
14.6.2 Required results
14.7 Technical characteristics [Go to Page]
14.7.1 Channel selection
14.7.2 Transceiver protection
14.7.3 Automatic power setting
14.8 Alerts and indicators, fall-back arrangements [Go to Page]
14.8.1 Loss of power supply
14.8.2 Monitoring of functions and integrity
14.8.3 Monitoring of sensor data
14.9 Display, input and output [Go to Page]
14.9.1 Data input/output facilities
14.9.2 Initiate message transmission
14.9.3 Communication test
14.9.4 System control
14.9.5 Display of received targets
14.9.6 Display of position quality
14.9.7 Display of targets if optional filter is implemented
14.9.8 Display of received safety related messages
14.9.9 Presentation of navigation information
15 Physical tests [Go to Page]
15.1 TDMA transmitter [Go to Page]
15.1.1 Frequency error
15.1.2 Carrier power
Figure 4 – Measurement arrangement for frequency error
Figure 5 – Measurement arrangement for carrier power [Go to Page]
15.1.3 Slotted transmission spectrum
Figure 6 – Emission mask for slotted transmission [Go to Page]
15.1.4 Modulation accuracy
15.1.5 Transmitter output power characteristics
Figure 7 – Measurement arrangement for modulation accuracy
Table 33 – Peak frequency deviation versus time
15.2 TDMA receivers [Go to Page]
15.2.1 Sensitivity
Figure 8 – Measurement arrangement [Go to Page]
15.2.2 Error behaviour at high input levels
15.2.3 Co-channel rejection
15.2.4 Adjacent channel selectivity
15.2.5 Spurious response rejection
Figure 9 – Measurement arrangement with two generators
Figure 10 – SINAD or PER/BER measuring equipment [Go to Page]
15.2.6 Intermodulation response rejection and blocking
Figure 11 – Test set-up
Table 34 – Tests to be performed [Go to Page]
15.2.7 Transmit to receive switching time
15.2.8 Immunity to out-of-band energy
Figure 12 – Transmit to receive switching time measurement setup
15.3 Conducted spurious emissions [Go to Page]
15.3.1 Spurious emissions from the transmitter
15.3.2 Spurious emissions from the receiver
16 Specific tests of link layer [Go to Page]
16.1 TDMA synchronisation [Go to Page]
16.1.1 Synchronisation test using UTC
16.1.2 Synchronisation test using UTC with repeated messages
16.1.3 Synchronisation test without UTC, semaphore
16.1.4 Synchronisation test without UTC
16.1.5 Reception of un-synchronised messages
16.2 Time division (frame format) [Go to Page]
16.2.1 Method of measurement
16.2.2 Required results
16.3 Synchronisation and jitter accuracy [Go to Page]
16.3.1 Definition
16.3.2 Method of measurement
16.3.3 Required results
16.4 Data encoding (bit stuffing) [Go to Page]
16.4.1 Method of measurement
16.4.2 Required results
16.5 Frame check sequence [Go to Page]
16.5.1 Method of measurement
16.5.2 Required results
16.6 Slot allocation (channel access protocols) [Go to Page]
16.6.1 Network entry
16.6.2 Autonomous scheduled transmissions (SOTDMA)
16.6.3 Autonomous scheduled transmissions (ITDMA)
16.6.4 Safety related/binary message transmission
16.6.5 Transmission of Message 5 (ITDMA)
16.6.6 Assigned operation
16.6.7 Group assignment
16.6.8 Fixed allocated transmissions (FATDMA)
16.6.9 Randomisation of message transmissions
16.7 Message formats [Go to Page]
16.7.1 Received messages
16.7.2 Transmitted messages
17 Specific tests of network layer [Go to Page]
17.1 Dual channel operation – Alternate transmissions [Go to Page]
17.1.1 Method of measurement
17.1.2 Required results
17.2 Regional area designation by VDL message [Go to Page]
17.2.1 Method of measurement
Figure 13 – Regional area scenario [Go to Page]
17.2.2 Required results
17.3 Regional area designation by serial message
17.4 Regional area designation with lost position [Go to Page]
17.4.1 Method of measurement
17.4.2 Required results
17.5 Power setting [Go to Page]
17.5.1 Method of measurement
Table 35 – Primary channels for each region [Go to Page]
17.5.2 Required results
17.6 Message priority handling [Go to Page]
17.6.1 Method of measurement
17.6.2 Required results
17.7 Slot reuse and FATDMA reservations [Go to Page]
17.7.1 Method of measurement
17.7.2 Required results
17.8 Management of received regional operating settings [Go to Page]
17.8.1 Test for replacement or erasure of dated or remote regional operating settings
17.8.2 Test of correct input via presentation interface or MKD
17.8.3 Test of addressed telecommand
17.8.4 Test for invalid regional operating areas
17.9 Continuation of autonomous mode reporting interval [Go to Page]
17.9.1 Method of test
17.9.2 Required results
18 Specific tests of transport layer [Go to Page]
18.1 Addressed messages [Go to Page]
18.1.1 Transmission
18.1.2 Acknowledgement
18.1.3 Transmission retry
18.1.4 Acknowledgement of addressed safety related messages
18.1.5 Behaviour of NavStatus 14 reception
18.2 Interrogation responses [Go to Page]
18.2.1 Method of measurement
18.2.2 Required results
19 Specific presentation interface tests [Go to Page]
19.1 General
19.2 Checking manufacturer's documentation
19.3 Electrical test [Go to Page]
19.3.1 Method of measurement
19.3.2 Required results
19.4 Test of input sensor interface performance [Go to Page]
19.4.1 Method of measurement
19.4.2 Required results
19.5 Test of sensor input [Go to Page]
19.5.1 Test of GNS input
19.5.2 Test of RMC input
19.5.3 Test of DTM input
19.5.4 Test of GBS input
19.5.5 Test of VBW input
19.5.6 Test of VTG input
19.5.7 Test of HDT/THS input
19.5.8 Test of ROT input
19.5.9 Test of different inputs
19.5.10 Test of multiple inputs
19.6 Test of high-speed output [Go to Page]
19.6.1 Method of measurement
19.6.2 Required results
19.7 High-speed output interface performance [Go to Page]
19.7.1 Method of measurement
19.7.2 Required results
19.8 Output of undefined VDL messages [Go to Page]
19.8.1 Method of measurement
19.8.2 Required results
19.9 Test of high-speed input [Go to Page]
19.9.1 General
19.9.2 Test of VSD input sentence
19.9.3 Test of SSD input sentence
19.9.4 Test of EPV input sentence
19.9.5 Test of the pilot port access level
20 Long-range functionality tests [Go to Page]
20.1 Long-range application by two-way interface [Go to Page]
20.1.1 LR interrogation
20.1.2 LR "all ships" interrogation
20.1.3 Consecutive LR "all ships" interrogations
20.2 Long-range application by broadcast [Go to Page]
20.2.1 Long-range broadcast
20.2.2 Multiple assignment operation
Annex A (informative) Block diagram of AIS
Annexes [Go to Page]
Annex B (normative) AIS interface overview
Annex C (normative) DSC functionality [Go to Page]
C.1 DSC compatibility
C.2 DSC receiver tests [Go to Page]
C.2.1 Maximum sensitivity
C.2.2 Error behaviour at high input levels
C.2.3 Co-channel rejection
C.2.4 Adjacent channel selectivity
C.2.5 Spurious response rejection
C.2.6 Intermodulation response rejection
C.2.7 Blocking or desensitisation
Figure C.1 – Measurement arrangement for inter-modulation [Go to Page]
[Go to Page]
C.2.8 Conducted spurious emissions from the receiver
C.3 DSC functionality tests [Go to Page]
C.3.1 Definition
C.3.2 Method of measurement
C.3.3 Required results
Annex D (informative) Alert handling with ALR/ACK
Table D.1 – IEC 61993-2:2012 alert states
Table D.2 – IEC 61993-2:2012 alert events
Figure D.1 – State diagram of IEC 61993-2 Ed.2 Alert handling
Annex E (normative) Calculation of area size and distance [Go to Page]
E.1 Importance of a common method for area size and distance calculations
E.2 Calculation of area sizes
Table E.1 – Coordinate points [Go to Page]
E.3 Calculation of general distances [Go to Page]
E.3.1 General
E.3.2 Great-circle
E.3.3 Rhumb-line distance
Annex F (normative) New interface sentences – Sender signature authentication (SSA)
Annex G (normative) Updated interface sentences [Go to Page]
G.1 General
G.2 VSD – AIS voyage static data
Annex H (informative) Conversion between IEC 61162-1 sentences and IEC 61162-3 parameter group numbers
Table H.1 – Conversion between IEC 61162-1 and IEC 61162-3
Annex I (normative) Extended tow dimension values [Go to Page]
I.1 Purpose and background
I.2 Method
Figure I.1 – Input, extension and transmitted dimensional values
Bibliography [Go to Page]

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BS EN IEC 61993-2:2018 Maritime navigation and radiocommunication equipment and systems. Automatic Identification Systems (AIS) - Class A shipborne equipment of the automatic identification system (AIS). Operational and performance requirements, methods o, 2018

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