BS EN 61334-4-61:1998
Current
The latest, up-to-date edition.
Distribution automation using distribution line carrier systems. Data communication protocols Network layer. Connectionless protocol
Hardcopy , PDF
English
15-12-1998
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
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