IEC 61162-401:2001

INTERNATIONAL IEC
STANDARD
61162-401
First edition
2001-11
Maritime navigation and radiocommunication
equipment and systems –
Digital interfaces –
Part 401:
Multiple talkers and multiple listeners –
Ship systems interconnection –
Application profile
Reference number
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INTERNATIONAL IEC
STANDARD
61162-401
First edition
2001-11
Maritime navigation and radiocommunication
equipment and systems –
Digital interfaces –
Part 401:
Multiple talkers and multiple listeners –
Ship systems interconnection –
Application profile
 IEC 2001  Copyright - all rights reserved
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– 2 – 61162-401  IEC:2001(E)
CONTENTS
FOREWORD.7
INTRODUCTION.9
1 Scope.9
1.1 General .9
1.2 Application profile.9
2 Normative references .9
3 Definitions .10
3.1 Terms.10
3.2 Abbreviations .13
3.3 Conventions .13
3.4 Protocol data types .15
3.5 Non-protocol types .17
3.6 Literals .18
4 Dependence on T-profile .18
4.1 General .18
4.2 LNA-LNA or MAU-LNA communication .18
4.3 Services required .18
4.4 Services required, but not used by the A-profile .19
4.5 Variable quality of service attributes .19
4.5.1 Reliability and safety .19
4.5.2 Real time response.19
4.5.3 Support for stream data .20
4.5.4 Maximum and minimum message lengths .20
4.6 Congestion and flow control .20
5 Functional requirements for MAU .20
5.1 General overview .20
5.2 MAU configuration management.21
5.2.1 Define MAU parameters (MauInitialize) .22
5.2.2 Connection open request (MauOpen) .23
5.2.3 Connection close (MauClose) .23
5.2.4 MAU state change call-back (MauState) .24
5.3 Session management, authentication and congestion control .25
5.3.1 Session control and authentication .25
5.3.2 Congestion control (MauSession).26
5.3.3 Request and connection limiting .26
5.4 Interface and connection point overview.26
5.4.1 Special considerations for anonymous broadcast (ABC) .27
5.4.2 MCP membership in interfaces .27
5.4.3 MCP attributes.27
5.4.4 Modify MCP attributes (McpGet, McpSet) .28
5.4.5 Interface attributes .29
5.4.6 Modify interface attributes (IfGet, IfSet) .29

61162-401  IEC:2001(E) – 3 –
5.5 Interface management.30
5.5.1 Define interface (IfTable) .31
5.5.2 Remove interface (IfRemove).31
5.5.3 Establish interface connection (IfOpen) .32
5.5.4 Close interface (IfClose) .32
5.5.5 Interface state change call-back (InterfaceState) .33
5.6 MCP transactions. .34
5.6.1 Function type transactions.35
5.6.2 Non-acknowledged write transactions.36
5.6.3 Subscribe type transactions.36
5.6.4 Individual subscribe transactions .37
5.6.5 Client side initiation (TransActivate) .38
5.6.6 Transaction cancellation (TransCancel).38
5.6.7 Client side transaction state change (TransClientState) .39
5.6.8 Server side transaction state change (TransServerState).39
5.7 Bulk data transfer .40
6 Functional requirements for LNAs.40
6.1 Context diagram and functional overview .40
6.2 MAU name management (MauAck, MauRequest, SessionClose).41
6.2.1 Duplicate MAU names .43
6.2.2 Local MAU names .43
6.2.3 Remote MAU names.43
6.3 LNA-LNA session management .45
6.3.1 Heard about LNA.45
6.3.2 Known LNA .45
6.3.3 Dead LNA.46
6.3.4 The LNA watchdog function .46
6.4 Local MAU connection management.47
6.4.1 MAU identification .47
6.4.2 Local MAU states .47
6.4.3 Starting MAU management .48
6.4.4 Ending MAU management .48
6.5 MAU control MCP.49
6.5.1 General overview.49
6.5.2 Functionality.49
6.5.3 Watchdog service .49
6.6 Session management .50
6.6.1 General principles .50
6.6.2 MAU session information .50
6.6.3 Session codes used for authentication.50
6.7 Accept type interface management.51
6.7.1 General overview.51
6.7.2 Possible errors in interface definitions or connection requests .51
6.7.3 Special handling of anonymous broadcast interfaces.52
6.7.4 Definition and removal of accept interface .53
6.7.5 Establishing and closing connections to accept interfaces .53
6.8 Connect type interface management .55

– 4 – 61162-401  IEC:2001(E)
6.9 General transaction management .57
6.9.1 MCP identity and transaction address.57
6.9.2 Transaction identity .57
6.9.3 Session identity .57
6.9.4 Transaction types .57
6.9.5 Exception handling .58
6.10 Accept side transaction management .59
6.10.1 Read, write and function transaction handling.61
6.10.2 Non-acknowledged write request .61
6.10.3 Initial subscribe .61
6.10.4 Initial individual subscribe.62
6.10.5 Server initiated subscribe acknowledgement .62
6.10.6 Server initiated individual subscribe acknowledgement.62
6.10.7 Anonymous broadcast subscribe .62
6.10.8 Cancellation of a transaction .62
6.11 Connect side transaction management .63
6.12 LNA-MAU .64
6.13 Use of priority le
...