V interfaces at the digital Local Exchange (LE); V5.2 interface for the support of Access Network (AN); Part 1: V5.2 interface specification

REN/SPS-09060-1

Vmesniki V pri digitalnih krajevnih telefonskih centralah (LE) - Vmesnik V5.2 za podporo dostopovnemu omrežju (AN) - 1. del: Specifikacija vmesnika V5.2

General Information

Status
Published
Publication Date
27-Dec-1999
Current Stage
12 - Completion
Due Date
24-Dec-1999
Completion Date
28-Dec-1999

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EN 300 347-1 V2.2.2:2005
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SLOVENSKI STANDARD
SIST EN 300 347-1 V2.2.2:2005
01-april-2005
Vmesniki V pri digitalnih krajevnih telefonskih centralah (LE) - Vmesnik V5.2 za
podporo dostopovnemu omrežju (AN) - 1. del: Specifikacija vmesnika V5.2
V interfaces at the digital Local Exchange (LE); V5.2 interface for the support of Access
Network (AN); Part 1: V5.2 interface specification
Ta slovenski standard je istoveten z: EN 300 347-1 Version 2.2.2
ICS:
33.040.30 Komutacijski in signalizacijski Switching and signalling
sistem systems
SIST EN 300 347-1 V2.2.2:2005 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 300 347-1 V2.2.2:2005

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SIST EN 300 347-1 V2.2.2:2005
ETSI EN 300 347-1 V2.2.2 (1999-12)
European Standard (Telecommunications series)
V interfaces at the digital Local Exchange (LE);
V5.2 interface for the support of Access Network (AN);
Part 1: V5.2 interface specification

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SIST EN 300 347-1 V2.2.2:2005
2 ETSI EN 300 347-1 V2.2.2 (1999-12)
Reference
REN/SPS-09060-1
Keywords
V interface, V5 interface, LE, AN
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No part may be reproduced except as authorized by written permission.
The copyright and the foregoing restriction extend to reproduction in all media.
© European Telecommunications Standards Institute 1999.
All rights reserved.
ETSI

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SIST EN 300 347-1 V2.2.2:2005
3 ETSI EN 300 347-1 V2.2.2 (1999-12)
Contents
Intellectual Property Rights.10
Foreword.10
Introduction .11
1 Scope .13
2 References.14
3 Definitions and abbreviations .15
3.1 Definitions.15
3.2 Abbreviations .17
4 Electrical and physical interface requirements .17
5 Procedural interface requirements .18
5.1 Link control requirements and procedures .18
5.1.1 Link-ID verification.18
5.1.2 Link blocking.18
6 Services and architecture aspects and requirements .19
6.1 On-demand services .19
6.1.1 PSTN .19
6.1.2 ISDN Basic Access (ISDN-BA) .19
6.1.3 ISDN Primary Rate Access (ISDN-PRA).20
6.2 Permanent Line (PL) capability.20
6.3 Semi-permanent leased line.20
6.4 Permanent leased line service.20
7 Control and provisioning.21
7.1 Control principles.21
7.1.1 General requirements and assumptions.21
7.1.2 Control of ISDN-BA user port for the PL capability .23
7.1.3 Control of ISDN-PRA user ports when the PL capability is provided.23
7.1.3.1 Statements and assumptions .23
7.1.3.2 ISDN and PL capability .23
7.2 Provisioning strategy and requirements.24
7.2.1 General.24
7.2.2 Provisioning requirements .24
7.3 Bearer Channel Connection (BCC) .24
7.4 Protection .25
8 Protocol architecture and multiplexing structure.25
8.1 Functional description .25
8.2 Protocol requirements for PSTN and ISDN .26
8.3 Time slots .27
8.4 Time slot allocation for physical communication channels .27
8.4.1 Data types for V5.2 C-paths.28
8.4.2 Communication paths when PSTN is provided on a V5.2 interface .28
8.4.3 Communication paths when ISDN is provided on a V5.2 interface.28
8.5 Layer 2 sublayering and multiplexing on communication channels .29
8.6 Layer 3 multiplexing.29
8.7 Congestion control.29
8.7.1 Flow control end to end .29
8.7.2 Congestion control on the V5.2 interface .29
8.7.3 Blocking of ISDN user ports at layer 2.29
8.7.4 Flow control using LAPV5-DL mechanisms .29
ETSI

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SIST EN 300 347-1 V2.2.2:2005
4 ETSI EN 300 347-1 V2.2.2 (1999-12)
9 Envelope Function sublayer of LAPV5 (LAPV5-EF) .29
10 Data Link sublayer of LAPV5 (LAPV5-DL).30
10.1 Frame structure for peer-to-peer communication .30
10.2 Invalid frames.30
10.3 Elements of procedures and formats of fields for data link sublayer peer-to-peer communication .30
10.3.1 Link address field format .30
10.3.2 Link address field variables .30
10.3.2.1 Address field extension bit (EA) .30
10.3.2.2 Command/response field bit.30
10.3.2.3 V5DLaddr .30
10.3.3 Control field formats.30
10.3.4 Control field parameters and associated state variables.30
10.3.5 Frame types.31
10.4 Definition of the peer-to-peer procedures of the data link sublayer .31
11 AN frame relay sublayer .31
12 Sublayer-to-sublayer communication and mapping function .31
13 General layer 3 protocol structures .31
13.1 General .31
13.2 Information elements that appear in every message (header) .32
13.2.1 Protocol Discriminator information element.32
13.2.2 Layer 3 Address information element.33
13.2.3 Message Type information element .33
13.3 Other information elements .34
13.4 Protocol message functional definition and information content.34
13.5 Codesets .34
14 PSTN signalling protocol specification and layer 3 multiplexing .34
15 Control requirements and protocol .34
15.1 ISDN-BA user port status indication and control.34
15.2 PSTN user port status indication and control .35
15.3 ISDN primary rate user port status indication and control .35
15.3.1 General aspects .35
15.3.2 Events and function elements relevant for the control of the state machines .36
15.3.3 ISDN-PRA user port FSMs, AN (ISDN port) and LE (ISDN port).38
15.3.3.1 Description of the states .38
15.3.3.2 Definition of port control states.38
15.3.3.2.1 ISDN-PRA user port FSM - AN (ISDN port) .38
15.3.3.2.2 ISDN-PRA user port FSM - LE (ISDN port) .39
15.3.3.3 Principles and procedures .39
15.3.3.3.1 General .39
15.3.3.3.2 Blocking .39
15.3.3.3.3 Blocking request.40
15.3.3.3.4 Co-ordinated unblocking .40
15.3.3.3.5 User failure/network failure indication .40
15.3.3.3.6 Support of the permanent line capability .40
15.3.3.4 ISDN port FSM at the AN.41
15.3.3.5 ISDN port FSM at the LE .42
15.3.4 Performance monitoring aspects.42
15.4 Control protocol .43
15.4.1 Control protocol message definition and content.43
15.4.2 General message format and information element coding .43
15.4.3 State definition of the control protocol .44
15.4.4 Control protocol procedures .44
15.4.5 Accelerated alignment of the port related protocol entities and FSMs .45
15.5 V5.2 re-provisioning procedures .45
16 Link control requirements and protocol.46
16.1 2 048 kbit/s layer 1 link maintenance requirements.47
ETSI

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SIST EN 300 347-1 V2.2.2:2005
5 ETSI EN 300 347-1 V2.2.2 (1999-12)
16.1.1 Events and failure reports .47
16.1.2 Detection algorithm for events and signals .48
16.1.3 V5.2 interface layer 1 link FSM.48
16.1.4 Requirements and procedures for the additional functions .50
16.2 Link control requirements and procedures .50
16.2.1 The link blocking and unblocking.50
16.2.2 The link identification.51
16.2.3 Events and function elements relevant for the control of the link state machines.52
16.2.4 Link control FSM, AN (link) and LE (link).53
16.2.4.1 Description of the states .53
16.2.4.2 Definition of link control states and general co-ordination requirements.54
16.2.4.2.1 Link control FSM - AN (AN_Link).54
16.2.4.2.2 Link control FSM - LE (LE_Link) .55
16.2.4.3 Principles and procedures .55
16.2.4.3.1 General .55
16.2.4.3.2 Link blocking.56
16.2.4.3.3 Link blocking request .56
16.2.4.3.4 Co-ordinated link unblocking .56
16.2.4.3.5 Link identification .57
16.2.4.4 Link control FSM at the AN.58
16.2.4.5 Link control FSM at the LE .59
16.3 Link control protocol.60
16.3.1 Link control protocol message definition and content .60
16.3.1.1 LINK CONTROL message .60
16.3.1.2 LINK CONTROL ACK message.60
16.3.2 Link control protocol information element definition, structure and coding.61
16.3.2.1 Layer 3 address information element .61
16.3.2.2 Link control function information element.61
16.3.3 Definitions of the link control protocol states.62
16.3.4 Link control protocol procedure .62
16.3.4.1 General.62
16.3.4.2 Start traffic indication.63
16.3.4.2.1 Normal operation.63
16.3.4.2.2 Exceptional procedures.63
16.3.4.3 Stop traffic indication.63
16.3.4.3.1 Normal operation.63
16.3.4.3.2 Exceptional procedures.63
16.3.4.4 Link control layer 3 protocol entity procedure.63
16.3.5 Handling of error conditions.64
16.3.5.1 Protocol discriminator error .64
16.3.5.2 Layer 3 address error.64
16.3.5.3 Message type error .64
16.3.5.4 Repeated information elements .64
16.3.5.5 Mandatory information element missing.64
16.3.5.6 Unrecognized information element .64
16.3.5.7 Content error of mandatory information elements.65
16.3.6 Timers for the link control protocol.65
16.3.7 AN and LE side layer 3 protocol entity state tables.65
17 BCC protocol elements and procedures.66
17.1 General .66
17.2 BCC protocol entity definition .68
17.2.1 Definition of BCC protocol states.68
17.2.1.1 BCC states in the AN .68
17.2.1.2 BCC states in the LE .69
17.2.2 Definition of BCC protocol primitives, messages and timers .70
17.3 BCC protocol message definition and content.71
17.3.1 ALLOCATION message .72
17.3.2 ALLOCATION COMPLETE message .72
17.3.3 ALLOCATION REJECT message .73
17.3.4 DE-ALLOCATION message.73
ETSI

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SIST EN 300 347-1 V2.2.2:2005
6 ETSI EN 300 347-1 V2.2.2 (1999-12)
17.3.5 DE-ALLOCATION COMPLETE message.74
17.3.6 DE-ALLOCATION REJECT message.74
17.3.7 AUDIT message .74
17.3.8 AUDIT COMPLETE message.75
17.3.9 AN FAULT message .76
17.3.10 AN FAULT ACKNOWLEDGE message.76
17.3.11 PROTOCOL ERROR message.76
17.4 BCC information element definition, structure and coding .77
17.4.1 BCC Reference Number information element .77
17.4.2 Other information elements.77
17.4.2.1 User Port Identification information element .78
17.4.2.2 ISDN Port Time Slot Identification information element.78
17.4.2.3 V5 Time Slot Identification information element.79
17.4.2.4 Multi-Slot Map information element.79
17.4.2.5 Reject Cause information element.80
17.4.2.6 Protocol Error Cause information element.
...

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