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EN 61334-4-61:1998

Current

Current

The latest, up-to-date edition.

Distribution automation using distribution line carrier systems - Part 4-61: Data communication protocols - Network layer - Connectionless protocol

Published date

13-10-1998

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INTRODUCTION
1 General
    1.1 Scope and object
    1.2 Normative references
    1.3 Acronyms and definitions
2 N service definition
    2.1 Overview of interactions
          2.1.1 Data transfer services
          2.1.2 Management services
    2.2 N_Data.request
          2.2.1 Function
          2.2.2 Structure
          2.2.3 Use
    2.3 N_Data.confirm
          2.3.1 Function
          2.3.2 Structure
          2.3.3 Use
    2.4 N_Data.indication
          2.4.1 Function
          2.4.2 Structure
          2.4.3 Use
    2.5 N_Add_rout.request
          2.5.1 Format
          2.5.2 Structure
          2.5.3 Use
    2.6 N_Del_route.request
          2.6.1 Function
          2.6.2 Structure
          2.6.3 Use
    2.7 N_Read_table.request
          2.7.1 Function
          2.7.2 Structure
          2.7.3 Use
    2.8 N_Read_table.confirm
          2.8.1 Function
          2.8.2 Structure
          2.8.3 Use
    2.9 N_Await_event.request
          2.9.1 Function
          2.9.2 Structure
          2.9.3 Use
    2.10 N_Await_event.confirm
          2.10.1 Function
          2.10.2 Structure
          2.10.3 Use
    2.11 N_Local_address.request
          2.11.1 Function
          2.11.2 Structure
          2.11.3 Use
3 N to LLC sublayer interface
    3.1 Overview of interactions
    3.2 DL_Data.request
    3.3 DL_Data.confirm
    3.4 DL_Data.indication
4 N-protocol data unit structure
    4.1 General
    4.2 NPDU format
    4.3 Network address fields
    4.4 DNSAP field and the P-bit
    4.5 SNSAP field and the O-bit
    4.6 QoS field
    4.7 Reserved field
    4.8 Invalid NPDU
5 N-protocol procedures description
    5.1 Overview of the procedures
          5.1.1 Procedure for transmission
          5.1.2 NPDU routing
          5.1.3 Parity bits
          5.1.4 N-entity internal parameters
    5.2 N-entity flow diagram
          5.2.1 N_Data.request flow diagram
          5.2.2 DL_Data.indication flow diagram
          5.2.3 DL_Data.confirm flow diagram
          5.2.4 N-protocol machine actions
6 Mapping of network layer
Figures
1 Basic layered communication architecture
2 Subnetwork interconnection through application gateway
3 Subnetwork interconnection through a node routing station
4 Subnetwork interconnection in a mixed approach
5 Data transfer without acknowledgment
6 Routing function in the network layer for messages coming
    from N-user
7 Routing function in the network layer for messages to be
    locally delivered
8 Routing function in the network layer for messages to
    be forwarded
9 NPDU fields
Annex ZA Normative references to international publications
with their corresponding European publications

Covers the services required by the data communication protocol (DCP) network layer (N) sublayer entity at the logical interfaces with the N user layer and the LLC sublayer, using the connectionless N procedures.

Committee
CLC/TC 57
DocumentType
Standard
PublisherName
European Committee for Standards - Electrical
Status
Current

IEC 61334-4-33:1998 Distribution automation using distribution line carrier systems - Part 4-33: Data communication protocols - Data link layer - Connection oriented protocol
IEC 61334-4-42:1996 Distribution automation using distribution line carrier systems -Part 4: Data communication protocols - Section 42: Applicationprotocols - Application layer
IEC 61334-4-41:1996 Distribution automation using distribution line carrier systems - Part 4: Data communication protocols - Section 41: Application protocol - Distribution line message specification
IEC 61334-4-1:1996 Distribution automation using distribution line carrier systems - Part 4: Data communication protocols - Section 1: Reference model of the communication system

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