SIST ETS 300 347-3 E2:2003
(Main)V interfaces at the digital Local Exchange (LE); V5.2 interface for the support of Access Network (AN); Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the network layer (AN side)
V interfaces at the digital Local Exchange (LE); V5.2 interface for the support of Access Network (AN); Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the network layer (AN side)
Scope not communicated (nd)
Vmesniki V pri digitalnih krajevnih centralah (LE) – Vmesnik V5.2 za podporo dostopovnemu omrežju (AN) – 3. del: Zgradba preskušalnega niza in nameni preskušanja (TSS&TP) – Specifikacija za omrežno plast na strani dostopovnega omrežja (AN)
General Information
Standards Content (Sample)
SLOVENSKI STANDARD
SIST ETS 300 347-3 E2:
01-RNWREHU-
Vmesniki V pri digitalnih krajevnih centralah (LE) – Vmesnik V5.2 za podporo
dostopovnemu omrežju (AN) – 3. del: Zgradba preskušalnega niza in nameni
preskušanja (TSS&TP) – Specifikacija za omrežno plast na strani dostopovnega
omrežja (AN)
V interfaces at the digital Local Exchange (LE); V5.2 interface for the support of Access
Network (AN); Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for
the network layer (AN side)
Ta slovenski standard je istoveten z: ETS 300 347-3 E
ICS:
33.040.30 Komutacijski in signalizacijski Switching and signalling
sistem systems
SIST ETS 300 347-3 E2: en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST ETS 300 347-3 E2:2003
DRAFT
EUROPEAN pr ETS 300 347-3
TELECOMMUNICATION December 1997
STANDARD Second Edition
Source: SPS Reference: RE/SPS-03056-3
ICS: 33.020
Key words: V interface, V5 interface, AN, ISDN, layer 3, LE, PSTN, testing, TSS&TP
Signalling Protocols and Switching (SPS);
V interfaces at the digital Local Exchange (LE);
V5.2 interface for the support of Access Network (AN);
Part 3: Test Suite Structure and Test Purposes (TSS&TP)
specification for the network layer (AN side)
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
Postal address: F-06921 Sophia Antipolis CEDEX - FRANCE
Office address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
X.400: c=fr, a=atlas, p=etsi, s=secretariat - Internet: secretariat@etsi.fr
Tel.: +33 4 92 94 42 00 - Fax: +33 4 93 65 47 16
Copyright Notification: 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 1997. All rights reserved.
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Draft prETS 300 347-3: December 1997
Whilst every care has been taken in the preparation and publication of this document, errors in content,
typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to
"ETSI Editing and Committee Support Dept." at the address shown on the title page.
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Contents
Foreword .7
1 Scope .9
2 Normative references.9
3 Definitions and abbreviations .10
3.1 Definitions .10
3.2 Abbreviations .10
4 Test Suite Structure (TSS) .11
4.1 Overview .11
4.2 Test groups.12
4.2.1 Protocol groups .13
4.2.1.1 Control protocol .13
4.2.1.2 Public Switched Telephone Network (PSTN) protocol .13
4.2.1.3 Link control protocol .13
4.2.1.4 Bearer Channel Connection (BCC) protocol .13
4.2.1.5 Protection protocol.13
4.2.2 Main test groups.14
4.2.2.1 Basic Interconnection tests (IT).14
4.2.2.2 Capability tests (CA) .14
4.2.2.3 Valid Behaviour tests (BV).14
4.2.2.4 Inopportune Behaviour tests (BO) .14
4.2.2.5 Invalid Behaviour tests (BI).14
4.2.2.6 Timer expiry and counter mismatch tests (TI).14
4.2.2.6.1 Timers and counters of the Control protocol .14
4.2.2.6.2 Timers and counters of the PSTN protocol .14
4.2.2.6.3 Timers and counters of the Link control protocol .14
4.2.2.6.4 Timers and counters of the BCC protocol .14
4.2.2.6.5 Timers and counters of the Protection protocol.14
4.2.2.6.6 Timers and counters of the AN system management .15
4.3 Test step structure.15
4.3.1 State transitions.15
4.3.1.1 Start-up of V5.2 interface.15
4.3.1.2 Common control protocol (system management) .17
4.3.1.3 Control protocol (PSTN port FSM) .17
4.3.1.4 Control protocol (ISDN-BA port FSM) .17
4.3.1.5 Control protocol (ISDN-PRA port FSM).17
4.3.1.6 PSTN protocol .17
4.3.1.7 Link control protocol .18
4.3.1.8 BCC protocol .18
4.3.1.9 Protection protocol.18
4.3.2 Preconditions.18
4.3.3 Preambles .18
4.3.4 Postambles.19
4.3.5 Status verification .19
4.3.5.1 PSTN protocol .19
4.3.5.2 Link control FSM.19
4.3.6 Common test steps .19
4.4 Defaults.19
4.5 Abstract Service Primitives (ASPs) and Protocol Data Units (PDUs).19
4.5.1 ASPs .19
4.5.2 PDUs .19
4.5.2.1 Common control protocol .19
4.5.2.2 Port control protocol.19
4.5.2.3 PSTN protocol .19
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4.5.2.4 Link control protocol. 19
4.5.2.5 BCC protocol. 20
4.5.2.6 Protection protocol . 20
4.5.3 Information elements . 20
4.5.3.1 Variable length information elements. 20
4.5.3.1.1 Control protocol. 20
4.5.3.1.2 PSTN protocol. 20
4.5.3.1.3 Link control protocol. 20
4.5.3.1.4 BCC protocol. 20
4.5.3.1.5 Protection protocol . 20
4.5.3.2 Single octet information elements. 21
4.5.3.2.1 Control protocol. 21
4.5.3.2.2 PSTN protocol. 21
4.5.3.2.3 Link control protocol. 21
4.5.3.2.4 BCC protocol. 21
4.5.3.2.5 Protection protocol . 21
4.6 Timers and counters of the Abstract Test Suite (ATS) . 21
5 Test Purposes (TPs). 22
5.1 Introduction. 22
5.1.1 Test purpose naming convention . 22
5.1.2 Source of test purpose definition . 23
5.1.3 Test strategy . 23
5.1.3.1 Common control protocol. 23
5.1.3.2 Port control protocol. 23
5.1.3.3 PSTN protocol. 23
5.1.3.4 Link control protocol. 24
5.1.3.5 BCC protocol. 24
5.1.3.6 Protection protocol . 24
5.1.4 Requirements not covered by test purposes . 25
5.1.5 Initial states. 25
5.1.6 Test and data configuration requirements. 25
5.2 Control protocol. 26
5.2.1 Basic interconnection tests (V5NWKAN/CTRL/IT). 26
5.2.2 Capability tests (V5NWKAN/CTRL/CA). 26
5.2.3 Valid behaviour tests (V5NWKAN/CTRL/BV). 26
5.2.3.1 V5NWKAN/CTRL/BV/COM . 26
5.2.3.2 V5NWKAN/CTRL/BV/PORT. 26
5.2.3.2.1 V5NWKAN/CTRL/BV/PORT/TRANS. 26
5.2.3.2.2 V5NWKAN/CTRL/BV/PORT/PSTN . 26
5.2.3.2.3 V5NWKAN/CTRL/BV/PORT/ISDNBA . 27
5.2.3.2.4 V5NWKAN/CTRL/BV/PORT/ISDNPRA. 27
5.2.4 Inopportune behaviour tests (V5NWKAN/CTRL/BO) . 28
5.2.4.1 V5NWKAN/CTRL/BO/COM . 28
5.2.4.2 V5NWKAN/CTRL/BO/PORT . 28
5.2.4.2.1 V5NWKAN/CTRL/BO/PORT/TRANS . 28
5.2.4.2.2 V5NWKAN/CTRL/BO/PORT/PSTN. 28
5.2.4.2.3 V5NWKAN/CTRL/BO/PORT/ISDNBA. 29
5.2.3.2.4 V5NWKAN/CTRL/BV/PORT/ISDNPRA. 29
5.2.5 Invalid behaviour tests (V5NWKAN/CTRL/BI). 29
5.2.6 Timer expiry and counter mismatch tests (V5NWKAN/CTRL/TI). 29
5.3 PSTN protocol. 29
5.4 Link control protocol . 29
5.4.1 Basic interconnection tests (V5NWKAN/LINK/IT) . 29
5.4.2 Capability tests (V5NWKAN/LINK/CA) . 29
5.4.3 Valid behaviour tests (V5NWKAN/LINK/BV) . 30
5.4.3.1 V5NWKAN/LINK/BV/TRANS . 30
5.4.3.2 V5NWKAN/LINK/BV/LINK . 30
5.4.4 Inopportune behaviour tests (V5NWKAN/LINK/BO). 42
5.4.4.1 V5NWKAN/LINK/BO/TRANS. 42
5.4.4.2 V5NWKAN/LINK/BO/LINK. 42
5.4.5 Invalid behaviour tests (V5NWKAN/LINK/BI) . 45
5.4.5.1 V5NWKAN/LINK/BI/TRANS. 45
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5.4.6 Timer expiry and counter mismatch tests (V5NWKAN/LINK/TI).46
5.4.6.1 V5NWKAN/LINK/TI/TRANS .46
5.5 BCC protocol.46
5.5.1 Basic interconnection tests (V5NWKAN/BCC/IT) .47
5.5.2 Capability tests (V5NWKAN/BCC/CA) .47
5.5.3 Valid behaviour tests (V5NWKAN/BCC/BV) .48
5.5.4 Inopportune behaviour tests (V5NWKAN/BCC/BO).51
5.5.5 Invalid behaviour tests (V5NWKAN/BCC/BI) .52
5.5.6 Timer expiry and counter mismatch tests (V5NWKAN/BCC/TI).54
5.6 Protection protocol.54
5.6.1 Basic interconnection tests (V5NWKAN/PROTECT/IT).54
5.6.2 Capability tests (V5NWKAN/PROTECT/CA) .55
5.6.3 Valid behaviour tests (V5NWKAN/PROTECT/BV).55
5.6.4 Inopportune behaviour tests (V5NWKAN/PROTECT/BO).60
5.6.5 Invalid behaviour tests (V5NWKAN/PROTECT/BI).60
5.6.6 Timer expiry and counter mismatch tests (V5NWKAN/PROTECT/TI) .62
Annex A (informative): Bibliography.64
History.65
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Foreword
This draft second edition European Telecommunication Standard (ETS) has been produced by the
Signalling Protocols and Switching (SPS) Technical Committee of the European Telecommunications
Standards Institute (ETSI), and is now submitted for the Public Enquiry phase of the ETSI standards
approval procedure.
This ETS is part 3 of a multi-part standard covering the V5.2 interface as described below:
Part 1: "V5.2 interface specification";
Part 2: "Protocol Implementation Conformance Statement (PICS) proforma";
Part 3: "Test Suite Structure and Test Purposes (TSS&TP) specification for the network layer
(AN side)";
Part 4: "Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing
(PIXIT) proforma specification for the network layer (AN side)";
Part 5: "Test Suite Structure and Test Purposes (TSS&TP) specification for the network layer (LE
side)";
Part 6: "Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing
(PIXIT) proforma specification for the network layer (LE side)";
Part 7: "Test Suite Structure and Test Purposes (TSS&TP) specification for the data link layer";
Part 8: "Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing
(PIXIT) proforma specification for the data link layer";
Part 9: "Test specification for the physical layer".
Proposed transposition dates
Date of latest announcement of this ETS (doa): 3 months after ETSI publication
Date of latest publication of new National Standard
or endorsement of this ETS (dop/e): 6 months after doa
Date of withdrawal of any conflicting National Standard (dow): 6 months after doa
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1 Scope
This third part of ETS 300 347 contains the Test Suite Structure and Test Purposes (TSS&TP) for the
network layer and parts of the system management of the Access Network (AN) side of a V5.2 interface.
The objective of this ETS is to provide conformance tests giving a high probability of inter-operability of an
AN and a Local Exchange (LE) from different manufacturers over the V5.2 interface. This ETS covers only
the procedures described in ETS 300 347-1 [2].
ISO/IEC 9646-1 [4] and ISO/IEC 9646-2 [5] are used as the basis for the test methodology.
This ETS needs to be read in conjunction with ETS 300 324-3 [1]. The two documents share a common
format and clauses within ETS 300 324-3 [1] are directly referenced.
Annex A lists the bibliography.
2 Normative references
This ETS incorporates by dated and undated reference, provisions from other publications. These
normative references are cited at the appropriate places in the text and the publications are listed
hereafter. For dated references, subsequent amendments to or revisions of any of these publications
apply to this ETS only when incorporated in it by amendment or revision. For undated references the latest
edition of the publication referred to applies.
[1] ETS 300 324-3: "Signalling Protocols and Switching (SPS); V interfaces at the
digital Local Exchange (LE); V5.1 interface for the support of Access Network
(AN); Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for
the network layer (AN side)".
[2] ETS 300 347-1 (1994) including amendment A1 (1997): "Signalling Protocols
and Switching (SPS); V interfaces at the digital Local Exchange (LE); V5.2
interface for the support of Access Network (AN); Part 1: V5.2 interface
specification".
[3] ETS 300 347-2 (1994) including amendment A1 (1997): "Signalling Protocols
and Switching (SPS); V interfaces at the digital Local Exchange (LE); V5.2
interface for the support of Access Network (AN); Part 2: Protocol
Implementation Conformance Statement (PICS) proforma".
[4] ISO/IEC 9646-1: "Information technology - Open systems interconnection -
Conformance testing methodology and framework - Part 1: General concepts".
[5] ISO/IEC 9646-2: "Information technology - Open systems interconnection -
Conformance testing methodology and framework - Part 2: Abstract test suite
specification".
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3 Definitions and abbreviations
3.1 Definitions
For the purposes of this ETS, the following definitions apply, in addition to those given in
ETS 300 324-3 [1] and ETS 300 347-1 [2]:
incorrect information element: A specified information element carrying information element types
which are not defined in ETS 300 347-1 [2].
specified information element: Information element identifier as defined in ETS 300 347-1 [2].
unspecified information element: Information element identifier which is not defined in
ETS 300 347-1 [2].
3.2 Abbreviations
For the purposes of this ETS, the following abbreviations apply:
AIS Alarm Indication Signal
AN Access Network
ANI Access Network Interface
ASP Abstract Service Primitive
ATS Abstract Test Suite
BCC Bearer Channel Connection
BI Invalid Behaviour
BO Inopportune Behaviour
BV Valid Behaviour
CA Capability
COM Common control protocol
CTRL Control
FE Function Element
FSM Finite State Machine
ID Identifier
IE Information Element
ISDN Integrated Services Digital Network
ISDN-BA ISDN Basic Access
ISDN-PRA ISDN Primary Rate Access
IT Basic Interconnection
IUT Implementation Under Test
L3addr Layer 3 address
LE Local Exchange
LT1 Lower Tester 1
MDU Management Data Unit
MPH Management Physical layer
NWK Network layer
PDU Protocol Data Unit
PICS Protocol Implementation Conformance Statement
PSTN Public Switched Telephone Network
RAI Remote Alarm Indication
REQ Request
SN Sequence Number
SUT System Under Test
TE Terminal Equipment (ISDN or PSTN)
TI Timer
TP Test Purpose
TS Time Slot
TSS Test Suite Structure
UP User Port
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4 Test Suite Structure (TSS)
4.1 Overview
Figure 1 shows the structure of the V5.2 network layer test suite.
V5NW KAN
CTRL IT
CA
BV
COM TRANS/PROTOCOL
SYS_M AN/ REST
SYS_M AN REVY
PO RT
TRANS/PRO TO CO L
PSTN
ISDN-BA
IS D N -P R A
BO COM TRANS/PRO TO CO L
SYS_M AN REVY
PO RT
TRANS/PRO TO CO L
PSTN
IS D N -B A
ISDN-PRA
BI
TRANS/PRO TO CO L
COM
TRANS/PRO TO CO L
PO RT
TI
COM TRANS/PRO TO CO L
TRANS/PRO TO CO L
PO RT
PSTN
IT
CA
BV STATE
BO STATE
BI
STATE
TI
STATE
LIN K
IT
CA
BV TRANS/PRO TO CO L
LINK CTRL
BO
TRANS/PRO TO CO L
LINK CTRL
BI
TRANS/PROTOCOL
TI TRANS/PRO TOCOL
BCC
IT
CA
BV
BO
BI
TI
PRO TECT
IT
CA
BV
BO
BI
TI
Figure 1: Network Layer AN test suite structure
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4.2 Test groups
Figure 2 gives an overview of the various protocol entities of a V5.2 interface. Table 1 maps each protocol
entity on tested protocol groups.
NWK_AN
UNI
FE DL-DATA
AN_PSTN
AN_PSTN_UP
AN_RM
MDU
PH-DATA
MDU
MDU
DL-DATA
MPH
AN_BCC
V5
AN_PSTN_port_FSM
MDL
AN_V5_FSM
AN_SYS AN_DL
MDU DL-DATA
AN_PROT
(ANI)
AN_ISDN_port_FSM
MDU DL-DATA
AN_LINK
FE
PH
MDU
FE
DL-DATA
AN_CTRL
AN_ISDN_UP
MPH
AN_LINK_CTRL_FSM
Figure 2: Network layer AN - protocol entity overview
Table 1: Names used in figure 2 that correspond to ETS 300 347-1 [2]
Network layer Protocol entity defined in Protocol group reference
protocol entity ETS 300 347-1 [2]
AN_PSTN_UP AN_PSTN_user_port 4.2.1.1
AN_PSTN_port_FSM AN_PSTN_user_port_FSM 4.2.1.1
AN_ISDN_port_FSM AN_ISDN_BA_user_port_FSM 4.2.1.1
AN_ISDN_PRA_user_port_FSM
AN_ISDN_UP AN_ISDN_BA_user_port 4.2.1.1
AN_ISDN_PRA_user_port
AN_CTRL AN_control_protocol 4.2.1.1
AN_SYS AN_system_management 4.2.1.1
AN_PSTN AN_PSTN_protocol 4.2.1.2
AN_LINK AN_link_control_protocol 4.2.1.3
AN_LINK_CTRL_FSM AN_link_control_FSM 4.2.1.3
AN_RM AN_rescource_manager 4.2.1.4
AN_BCC AN_BCC_protocol 4.2.1.4
AN_PROT AN_protection_protocol 4.2.1.5
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4.2.1 Protocol groups
4.2.1.1 Control protocol
The contents of this subclause are identical to subclause 4.2.1.1 of ETS 300 324-3 [1] with the following
additions for the ISDN-PRA user port Finite State Machine (FSM).
Depending on provisioning the following configuration is tested:
AN_ISDN-PRA_user_port: The blocking, blocking request and co-ordinated unblocking
procedures of the AN_ISDN-PRA_user_port_FSM are verified in the test group
V5NWKAN/CTRL/BV/PORT/ ISDNPRA and V5NWKAN/CTRL/BO/PORT/ISDNPRA.
4.2.1.2 Public Switched Telephone Network (PSTN) protocol
The contents of this subclause are identical to subclause 4.2.1.2 of ETS 300 324-3 [1].
4.2.1.3 Link control protocol
All tests in the Link control protocol (V5NWKAN/LINK) test group are intended to verify as thoroughly as
possible the various procedures of the AN_link_control_protocol entity.
Depending on provisioning the following configurations are covered:
AN_link_control_protocol: The normal and exceptional procedures of the
AN_link_control_protocol are verified in the test groups V5NWKAN/LINK/BV/TRANS,
V5NWKAN/LINK/BO/TRANS and V5NWKAN/LINK/TI/TRANS.
The error handling procedures are verified in the test group V5NWKAN/LINK/BI/TRANS.
AN_link_control_FSM: The link blocking, link blocking request, co-ordinated link unblocking and
link identification procedures of the AN_link_control_FSM are verified in the test groups
V5NWKAN/LINK/BV/LINK and V5NWKAN/LINK/BO/LINK.
4.2.1.4 Bearer Channel Connection (BCC) protocol
All tests in the BCC protocol (V5NWKAN/BCC) test group are intended to verify as thoroughly as possible
the various procedures of the AN_BCC protocol entity.
The following BCC procedures are covered:
- normal and exceptional bearer channel allocation procedure;
- normal and exceptional bearer channel de-allocation procedure;
- audit procedure;
- AN internal failure notification procedure;
- error handling procedures.
4.2.1.5 Protection protocol
All tests in the Protection protocol (V5NWKAN/PROTECT) test group are intended to verify as thoroughly
as possible the various procedures of the AN Protection protocol entity.
The following Protection protocol procedures are covered:
- transmission of Protection protocol messages;
- normal and exceptional sequence number reset procedure;
- normal and exceptional standard protection switch-over procedure initiated by AN side;
- normal and exceptional dedicated protection switch-over procedure initiated by OS AN;
- normal and exceptional switch-over procedure requested by AN side;
- error handling procedures.
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4.2.2 Main test groups
4.2.2.1 Basic Interconnection tests (IT)
The contents of this subclause are identical to subclause 4.2.2.1 of ETS 300 324-3 [1].
4.2.2.2 Capability tests (CA)
The contents of this subclause are identical to subclause 4.2.2.2 of ETS 300 324-3 [1].
4.2.2.3 Valid Behaviour tests (BV)
The contents of this subclause are identical to subclause 4.2.2.3 of ETS 300 324-3 [1].
4.2.2.4 Inopportune Behaviour tests (BO)
The contents of this subclause are identical to subclause 4.2.2.4 of ETS 300 324-3 [1].
4.2.2.5 Invalid Behaviour tests (BI)
The contents of this subclause are identical to subclause 4.2.2.5 of ETS 300 324-3 [1].
4.2.2.6 Timer expiry and counter mismatch tests (TI)
The contents of this subclause are identical to subclause 4.2.2.6 of ETS 300 324-3 [1].
4.2.2.6.1 Timers and counters of the Control protocol
The contents of this subclause are identical to subclause 4.2.2.6.1 of ETS 300 324-3 [1] the addition for
the accelerated alignment procedure. Additional timers are given in ETS 300 347-1 [2], annex C,
table C.1.
TU1 MDU-CTRL(UNBLOCK ALL RELEVANT PORTS ACCEPTED) to all PSTN and ISDN user
port FSMs
TU2 MDU-CTRL(UNBLOCK ALL RELEVANT PORTS REQUEST) to all PSTN and ISDN user
port FSMs
4.2.2.6.2 Timers and counters of the PSTN protocol
The contents of this subclause are identical to subclause 4.2.2.6.2 of ETS 300 324-3 [1].
4.2.2.6.3 Timers and counters of the Link control protocol
Refer to the ETS 300 347-1 [2], table 23.
LCTO1 LINK CONTROL message sent
4.2.2.6.4 Timers and counters of the BCC protocol
Refer to the ETS 300 347-1 [2], table 46.
TBCC5 AN fault sent
4.2.2.6.5 Timers and counters of the Protection protocol
Refer to the ETS 300 347-1 [2], table 64.
TSO3 SWITCH-OVER REQ sent
TSO4 RESET SN COM sent
TSO5 RESET SN COM received
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Refer to the ETS 300 347-1 [2], subclause 18.6.2.
VP(S) Send State Variable
VP(R) Receive State Variable
4.2.2.6.6 Timers and counters of the AN system management
The contents of this subclause are identical to subclause 4.2.2.6.3 of ETS 300 324-3 [1].
4.3 Test step structure
General dynamic behaviours are described in test steps which can be called from all test cases within the
Abstract Test Suite (ATS):
state transitions (refer to subclause 4.3.1);
preconditions (refer to subclause 4.3.2);
preambles (refer to subclause 4.3.3);
postambles (refer to subclause 4.3.4);
status verification (refer to subclause 4.3.5);
common test steps (refer to subclause 4.3.6).
4.3.1 State transitions
The following subclauses identify the test steps used in the ATS. In general, each te
...
SLOVENSKI STANDARD
SIST ETS 300 347-3 E2:2003
01-december-2003
Vmesniki V pri digitalnih krajevnih centralah (LE) – Vmesnik V5.2 za podporo
dostopovnemu omrežju (AN) – 3. del: Zgradba preskušalnega niza in nameni
preskušanja (TSS&TP) – Specifikacija za omrežno plast na strani dostopovnega
omrežja (AN)
V interfaces at the digital Local Exchange (LE); V5.2 interface for the support of Access
Network (AN); Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for
the network layer (AN side)
Ta slovenski standard je istoveten z: ETS 300 347-3 Edition 2
ICS:
33.040.30 Komutacijski in signalizacijski Switching and signalling
sistem systems
SIST ETS 300 347-3 E2:2003 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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EUROPEAN ETS 300 347-3
TELECOMMUNICATION April 1999
STANDARD Second Edition
Source: SPS Reference: RE/SPS-09056-3
ICS: 33.020
Key words: V interface, V5 interface, PSTN, ISDN, AN, TSS&TP, testing, layer 3, LE
V interfaces at the digital Local Exchange (LE);
V5.2 interface for the support of Access Network (AN);
Part 3: Test Suite Structure and Test Purposes (TSS&TP)
specification for the network layer (AN side)
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
Postal address: F-06921 Sophia Antipolis CEDEX - FRANCE
Office address: 650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
Internet: secretariat@etsi.fr - http://www.etsi.org
Tel.: +33 4 92 94 42 00 - Fax: +33 4 93 65 47 16
Copyright Notification: 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.
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Whilst every care has been taken in the preparation and publication of this document, errors in content,
typographical or otherwise, may occur. If you have comments concerning its accuracy, please write to
"ETSI Standards Making Support Dept." at the address shown on the title page.
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Contents
Foreword . 7
1 Scope. 9
2 Normative references . 9
3 Definitions and abbreviations. 9
3.1 Definitions. 9
3.2 Abbreviations. 10
4 Test Suite Structure (TSS). 11
4.1 Overview. 11
4.2 Test groups . 12
4.2.1 Protocol groups. 13
4.2.1.1 Control protocol. 13
4.2.1.2 Public Switched Telephone Network (PSTN) protocol. 13
4.2.1.3 Link control protocol . 13
4.2.1.4 Bearer Channel Connection (BCC) protocol . 13
4.2.1.5 Protection protocol . 14
4.2.2 Main test groups . 14
4.2.2.1 Basic Interconnection tests (IT). 14
4.2.2.2 Capability tests (CA). 14
4.2.2.3 Valid Behaviour tests (BV) . 14
4.2.2.4 Inopportune Behaviour tests (BO). 14
4.2.2.5 Invalid Behaviour tests (BI) . 14
4.2.2.6 Timer expiry and counter mismatch tests (TI). 14
4.2.2.6.1 Timers and counters of the Control
protocol. 14
4.2.2.6.2 Timers and counters of the PSTN
protocol. 14
4.2.2.6.3 Timers and counters of the Link
control protocol. 15
4.2.2.6.4 Timers and counters of the BCC
protocol. 15
4.2.2.6.5 Timers and counters of the Protection
protocol. 15
4.2.2.6.6 Timers and counters of the AN system
management . 15
4.3 Test step structure. 15
4.3.1 State transitions . 15
4.3.1.1 Start-up of V5.2 interface . 16
4.3.1.2 Common control protocol (system management). 18
4.3.1.3 Control protocol (PSTN port FSM) . 18
4.3.1.4 Control protocol (ISDN-BA port FSM) . 18
4.3.1.5 Control protocol (ISDN-PRA port FSM) . 18
4.3.1.6 PSTN protocol. 18
4.3.1.7 Link control protocol . 19
4.3.1.8 BCC protocol. 19
4.3.1.9 Protection protocol . 19
4.3.2 Preconditions . 19
4.3.3 Preambles. 19
4.3.4 Postambles . 20
4.3.5 Status verification. 20
4.3.5.1 PSTN protocol. 20
4.3.5.2 Link control FSM . 20
4.3.6 Common test steps. 20
4.4 Defaults . 20
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4.5 Abstract Service Primitives (ASPs) and Protocol Data Units (PDUs).20
4.5.1 ASPs .20
4.5.2 PDUs .20
4.5.2.1 Common control protocol .20
4.5.2.2 Port control protocol.20
4.5.2.3 PSTN protocol .20
4.5.2.4 Link control protocol .20
4.5.2.5 BCC protocol .21
4.5.2.6 Protection protocol.21
4.5.3 Information elements.21
4.5.3.1 Variable length information elements .21
4.5.3.1.1 Control protocol.21
4.5.3.1.2 PSTN protocol .21
4.5.3.1.3 Link control protocol.21
4.5.3.1.4 BCC protocol.21
4.5.3.1.5 Protection protocol.21
4.5.3.2 Single octet information elements .22
4.5.3.2.1 Control protocol.22
4.5.3.2.2 PSTN protocol .22
4.5.3.2.3 Link control protocol.22
4.5.3.2.4 BCC protocol.22
4.5.3.2.5 Protection protocol.22
4.6 Timers and counters of the Abstract Test Suite (ATS).22
5 Test Purposes (TPs) .23
5.1 Introduction .23
5.1.1 Test purpose naming convention .23
5.1.2 Source of test purpose definition.24
5.1.3 Test strategy.24
5.1.3.1 Common control protocol .24
5.1.3.2 Port control protocol.24
5.1.3.3 PSTN protocol .24
5.1.3.4 Link control protocol .25
5.1.3.5 BCC protocol .25
5.1.3.6 Protection protocol.26
5.1.4 Requirements not covered by test purposes.26
5.1.5 Initial states .26
5.1.6 Test and data configuration requirements.27
5.2 Control protocol.27
5.2.1 Basic interconnection tests (V5NWKAN/CTRL/IT) .27
5.2.2 Capability tests (V5NWKAN/CTRL/CA) .27
5.2.3 Valid behaviour tests (V5NWKAN/CTRL/BV) .27
5.2.3.1 V5NWKAN/CTRL/BV/COM .27
5.2.3.2 V5NWKAN/CTRL/BV/PORT .28
5.2.3.2.1 V5NWKAN/CTRL/BV/PORT/TRANS .28
5.2.3.2.2 V5NWKAN/CTRL/BV/PORT/PSTN.28
5.2.3.2.3 V5NWKAN/CTRL/BV/PORT/ISDNBA .28
5.2.3.2.4
... V5NWKAN/CTRL/BV/PORT/ISDNPRA28
5.2.4 Inopportune behaviour tests (V5NWKAN/CTRL/BO).29
5.2.4.1 V5NWKAN/CTRL/BO/COM.29
5.2.4.2 V5NWKAN/CTRL/BO/PORT.29
5.2.4.2.1 V5NWKAN/CTRL/BO/PORT/TRANS.29
5.2.4.2.2 V5NWKAN/CTRL/BO/PORT/PSTN.29
5.2.4.2.3 V5NWKAN/CTRL/BO/PORT/ISDNBA.30
5.2.4.2.4
... V5NWKAN/CTRL/BO/PORT/ISDNPRA30
5.2.5 Invalid behaviour tests (V5NWKAN/CTRL/BI) .30
5.2.6 Timer expiry and counter mismatch tests (V5NWKAN/CTRL/TI) .30
5.3 PSTN protocol.30
5.4 Link control protocol.30
5.4.1 Basic interconnection tests (V5NWKAN/LINK/IT).30
5.4.2 Capability tests (V5NWKAN/LINK/CA).30
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5.4.3 Valid behaviour tests (V5NWKAN/LINK/BV) . 31
5.4.3.1 V5NWKAN/LINK/BV/TRANS . 31
5.4.3.2 V5NWKAN/LINK/BV/LINK. 31
5.4.4 Inopportune behaviour tests (V5NWKAN/LINK/BO). 43
5.4.4.1 V5NWKAN/LINK/BO/TRANS. 43
5.4.4.2 V5NWKAN/LINK/BO/LINK . 43
5.4.5 Invalid behaviour tests (V5NWKAN/LINK/BI) . 46
5.4.5.1 V5NWKAN/LINK/BI/TRANS. 46
5.4.6 Timer expiry and counter mismatch tests (V5NWKAN/LINK/TI) . 47
5.4.6.1 V5NWKAN/LINK/TI/TRANS. 47
5.5 BCC protocol . 47
5.5.1 Basic interconnection tests (V5NWKAN/BCC/IT). 48
5.5.2 Capability tests (V5NWKAN/BCC/CA). 48
5.5.3 Valid behaviour tests (V5NWKAN/BCC/BV). 49
5.5.4 Inopportune behaviour tests (V5NWKAN/BCC/BO) . 52
5.5.5 Invalid behaviour tests (V5NWKAN/BCC/BI). 53
5.5.6 Timer expiry and counter mismatch tests (V5NWKAN/BCC/TI). 55
5.6 Protection protocol. 55
5.6.1 Basic interconnection tests (V5NWKAN/PROTECT/IT) . 55
5.6.2 Capability tests (V5NWKAN/PROTECT/CA). 56
5.6.3 Valid behaviour tests (V5NWKAN/PROTECT/BV) . 56
5.6.4 Inopportune behaviour tests (V5NWKAN/PROTECT/BO) . 61
5.6.5 Invalid behaviour tests (V5NWKAN/PROTECT/BI) . 61
5.6.6 Timer expiry and counter mismatch tests (V5NWKAN/PROTECT/TI). 63
Annex A (informative): Bibliography. 65
History . 66
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Foreword
This European Telecommunication Standard (ETS) has been produced by the Signalling Protocols and
Switching (SPS) Technical Committee of the European Telecommunications Standards Institute (ETSI).
This ETS is part 3 of a multi-part standard covering the V5.2 interface as described below:
Part 1: "V5.2 interface specification";
Part 2: "Protocol Implementation Conformance Statement (PICS) proforma";
Part 3: "Test Suite Structure and Test Purposes (TSS&TP) specification for the network layer
(AN side)";
Part 4: "Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing
(PIXIT) proforma specification for the network layer (AN side)";
Part 5: "Test Suite Structure and Test Purposes (TSS&TP) specification for the network layer (LE
side)";
Part 6: "Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing
(PIXIT) proforma specification for the network layer (LE side)";
Part 7: "Test Suite Structure and Test Purposes (TSS&TP) specification for the data link layer";
Part 8: "Abstract Test Suite (ATS) and partial Protocol Implementation eXtra Information for Testing
(PIXIT) proforma specification for the data link layer";
Part 9: "Test specification for the physical layer".
Transposition dates
Date of adoption of this ETS: 26 March 1999
Date of latest announcement of this ETS (doa): 30 June 1999
Date of latest publication of new National Standard
or endorsement of this ETS (dop/e): 31 December 1999
Date of withdrawal of any conflicting National Standard (dow): 31 December 1999
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1 Scope
This third part of ETS 300 347 contains the Test Suite Structure and Test Purposes (TSS&TP) for the
network layer and parts of the system management of the Access Network (AN) side of a V5.2 interface.
The objective of this ETS is to provide conformance tests giving a high probability of inter-operability of an
AN and a Local Exchange (LE) from different manufacturers over the V5.2 interface. This ETS covers only
the procedures described in ETS 300 347-1 [2].
ISO/IEC 9646-1 [4] and ISO/IEC 9646-2 [5] are used as the basis for the test methodology.
This ETS needs to be read in conjunction with ETS 300 324-3 [1]. The two documents share a common
format and clauses within ETS 300 324-3 [1] are directly referenced.
Annex A lists the bibliography.
2 Normative references
This ETS incorporates by dated and undated reference, provisions from other publications. These
normative references are cited at the appropriate places in the text and the publications are listed
hereafter. For dated references, subsequent amendments to or revisions of any of these publications
apply to this ETS only when incorporated in it by amendment or revision. For undated references the latest
edition of the publication referred to applies.
[1] ETS 300 324-3 (1999) including amendment A1: "V interfaces at the digital
Local Exchange (LE); V5.1 interface for the support of Access Network (AN);
Part 3: Test Suite Structure and Test Purposes (TSS&TP) specification for the
network layer (AN side)".
[2] ETS 300 347-1 (1994) including amendment A1: "V interfaces at the digital
Local Exchange (LE); V5.2 interface for the support of Access Network (AN);
Part 1: V5.2 interface specification".
[3] ETS 300 347-2 (1994): "V interfaces at the digital Local Exchange (LE); V5.2
interface for the support of Access Network (AN); Part 2: Protocol
Implementation Conformance Statement (PICS) proforma".
[4] ISO/IEC 9646-1 (1995): "Information technology - Open systems
interconnection - Conformance testing methodology and framework - Part 1:
General concepts".
[5] ISO/IEC 9646-2 (1995): "Information technology - Open systems
interconnection - Conformance testing methodology and framework - Part 2:
Abstract test suite specification".
3 Definitions and abbreviations
3.1 Definitions
For the purposes of this ETS, the following definitions apply, in addition to those given in
ETS 300 324-3 [1] and ETS 300 347-1 [2]:
incorrect information element: A specified information element carrying information element types
which are not defined in ETS 300 347-1 [2]
specified information element: Information element identifier as defined in ETS 300 347-1 [2]
unspecified information element: Information element identifier which is not defined in
ETS 300 347-1 [2]
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3.2 Abbreviations
For the purposes of this ETS, the following abbreviations apply:
AIS Alarm Indication Signal
AN Access Network
ASP Abstract Service Primitive
ATS Abstract Test Suite
BCC Bearer Channel Connection
BI Invalid Behaviour
BO Inopportune Behaviour
BV Valid Behaviour
CA Capability
COM Common control protocol
CTRL Control
FE Function Element
FSM Finite State Machine
ID Identifier
IE Information Element
ISDN Integrated Services Digital Network
ISDN-BA ISDN Basic Access
ISDN-PRA ISDN Primary Rate Access
IT Basic Interconnection
IUT Implementation Under Test
L3addr Layer 3 address
LE Local Exchange
LT1 Lower Tester 1
MDU Management Data Unit
MPH Management Physical layer
NWK Network layer
PDU Protocol Data Unit
PICS Protocol Implementation Conformance Statement
PSTN Public Switched Telephone Network
RAI Remote Alarm Indication
REQ Request
SN Sequence Number
SUT System Under Test
TE Terminal Equipment (ISDN or PSTN)
TI Timer
TP Test Purpose
TS Time Slot
TSS Test Suite Structure
UP User Port
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4 Test Suite Structure (TSS)
4.1 Overview
Figure 1 shows the structure of the V5.2 NetWorK layer (NWK) test suite.
V5NW KAN
CTRL IT
CA
BV
COM TRANS/PROTOCOL
SYS_M AN/ REST
SYS_M AN REVY
PO RT
TRANS/PRO TO CO L
PSTN
ISDN-BA
IS D N -P R A
BO COM TRANS/PRO TO CO L
SYS_M AN REVY
PO RT
TRANS/PRO TO CO L
PSTN
IS D N -B A
ISDN-PRA
BI
TRANS/PRO TO CO L
COM
TRANS/PRO TO CO L
PO RT
TI
COM TRANS/PRO TO CO L
TRANS/PRO TO CO L
PO RT
PSTN
IT
CA
BV STATE
BO STATE
BI
STATE
TI
STATE
LIN K
IT
CA
BV TRANS/PRO TO CO L
LINK CTRL
BO
TRANS/PRO TO CO L
LINK CTRL
BI
TRANS/PROTOCOL
TI TRANS/PRO TOCOL
BCC
IT
CA
BV
BO
BI
TI
PRO TECT
IT
CA
BV
BO
BI
TI
Figure 1: NWK AN test suite structure
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4.2 Test groups
Figure 2 gives an overview of the various protocol entities of a V5.2 interface. Table 1 maps each protocol
entity on tested protocol groups.
NWK_AN
UNI
FE
DL-DATA
AN_PSTN
AN_PSTN_UP
AN_RM
MDU
PH-DATA
MDU
MDU DL-DATA
MPH
AN_BCC
V5
AN_PSTN_port_FSM
MDL
AN_V5_FSM
AN_DL
AN_SYS
MDU DL-DATA
AN_PROT
(ANI)
AN_ISDN_port_FSM
MDU DL-DATA
AN_LINK
FE
PH
MDU
FE
DL-DATA
AN_CTRL
AN_ISDN_UP
MPH
AN_LINK_CTRL_FSM
Figure 2: NWK AN - protocol entity overview
Table 1: Names used in figure 2 that correspond to ETS 300 347-1 [2]
Network layer Protocol entity defined in Protocol group reference
protocol entity ETS 300 347-1 [2]
AN_PSTN_UP AN_PSTN_user_port 4.2.1.1
AN_PSTN_port_FSM AN_PSTN_user_port_FSM 4.2.1.1
AN_ISDN_port_FSM AN_ISDN_BA_user_port_FSM 4.2.1.1
AN_ISDN_PRA_user_port_FSM
AN_ISDN_UP AN_ISDN_BA_user_port 4.2.1.1
AN_ISDN_PRA_user_port
AN_CTRL AN_control_protocol 4.2.1.1
AN_SYS AN_system_management 4.2.1.1
AN_PSTN AN_PSTN_protocol 4.2.1.2
AN_LINK AN_link_control_protocol 4.2.1.3
AN_LINK_CTRL_FSM AN_link_control_FSM 4.2.1.3
AN_RM AN_rescource_manager 4.2.1.4
AN_BCC AN_BCC_protocol 4.2.1.4
AN_PROT AN_protection_protocol 4.2.1.5
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4.2.1 Protocol groups
4.2.1.1 Control protocol
The contents of this subclause are identical to subclause 4.2.1.1 of ETS 300 324-3 [1] with the following
additions for the ISDN-PRA user port Finite State Machine (FSM).
Depending on provisioning the following configuration is tested:
AN_ISDN-PRA_user_port:
The blocking, blocking request and co-ordinated unblocking procedures of the AN_ISDN-
PRA_user_port_FSM are verified in the test group V5NWKAN/CTRL/BV/PORT/ISDNPRA and
V5NWKAN/CTRL/BO/PORT/ISDNPRA.
4.2.1.2 Public Switched Telephone Network (PSTN) protocol
The contents of this subclause are identical to subclause 4.2.1.2 of ETS 300 324-3 [1].
4.2.1.3 Link control protocol
All tests in the Link control protocol (V5NWKAN/LINK) test group are intended to verify as thoroughly as
possible the various procedures of the AN_link_control_protocol entity.
Depending on provisioning the following configurations are covered:
AN_link_control_protocol:
The normal and exceptional procedures of the AN_link_control_protocol are verified in the test groups
V5NWKAN/LINK/BV/TRANS, V5NWKAN/LINK/BO/TRANS and V5NWKAN/LINK/TI/TRANS.
The error handling procedures are verified in the test group V5NWKAN/LINK/BI/TRANS.
AN_link_control_FSM:
The link blocking, link blocking request, co-ordinated link unblocking and link identification procedures of
the AN_link_control_FSM are verified in the test groups V5NWKAN/LINK/BV/LINK and
V5NWKAN/LINK/BO/LINK.
4.2.1.4 Bearer Channel Connection (BCC) protocol
All tests in the BCC protocol (V5NWKAN/BCC) test group are intended to verify as thoroughly as possible
the various procedures of the AN_BCC protocol entity.
The following BCC procedures are covered:
- normal and exceptional bearer channel allocation procedure;
- normal and exceptional bearer channel de-allocation procedure;
- audit procedure;
- AN internal failure notification procedure;
- error handling procedures.
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4.2.1.5 Protection protocol
All tests in the Protection protocol (V5NWKAN/PROTECT) test group are intended to verify as thoroughly
as possible the various procedures of the AN Protection protocol entity.
The following Protection protocol procedures are covered:
- transmission of Protection protocol messages;
- normal and exceptional sequence number reset procedure;
- normal and exceptional standard protection switch-over procedure initiated by AN side;
- normal and exceptional dedicated protection switch-over procedure initiated by OS AN;
- normal and exceptional switch-over procedure requested by AN side;
- error handling procedures.
4.2.2 Main test groups
4.2.2.1 Basic Interconnection tests (IT)
The contents of this subclause are identical to subclause 4.2.2.1 of ETS 300 324-3 [1].
4.2.2.2 Capability tests (CA)
The contents of this subclause are identical to subclause 4.2.2.2 of ETS 300 324-3 [1].
4.2.2.3 Valid Behaviour tests (BV)
The contents of this subclause are identical to subclause 4.2.2.3 of ETS 300 324-3 [1].
4.2.2.4 Inopportune Behaviour tests (BO)
The contents of this subclause are identical to subclause 4.2.2.4 of ETS 300 324-3 [1].
4.2.2.5 Invalid Behaviour tests (BI)
The contents of this subclause are identical to subclause 4.2.2.5 of ETS 300 324-3 [1].
4.2.2.6 Timer expiry and counter mismatch tests (TI)
The contents of this subclause are identical to subclause 4.2.2.6 of ETS 300 324-3 [1].
4.2.2.6.1 Timers and counters of the Control protocol
The contents of this subclause are identical to subclause 4.2.2.6.1 of ETS 300 324-3 [1] the addition for
the accelerated alignment procedure. Additional timers are given in ETS 300 347-1 [2], annex C,
table C.1.
TU1 MDU-CTRL(UNBLOCK ALL RELEVANT PORTS ACCEPTED) to all PSTN and ISDN user
port FSMs
TU2 MDU-CTRL(UNBLOCK ALL RELEVANT PORTS REQUEST) to all PSTN and ISDN user
port FSMs
4.2.2.6.2 Timers and counters of the PSTN protocol
The contents of this subclause are identical to subclause 4.2.2.6.2 of ETS 300 324-3 [1].
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4.2.2.6.3 Timers and counters of the Link control protocol
Refer to ETS 300 347-1 [2], table 23.
LCTO1 LINK CONTROL message sent
4.2.2.6.4 Timers and counters of the BCC protocol
Refer to ETS 300 347-1 [2], table 46.
TBCC5 AN fault sent
4.2.2.6.5 Timers and counters of the Protection protocol
Refer to ETS 300 347-1 [2], table 64.
TSO3 SWITCH-OVER REQ sent
TSO4 RESET SN COM sent
TSO5 RESET SN COM received
Refer to ETS 300 347-1 [2], subclause 18.6.2.
VP(S) Send State Variable
VP(R) Receive State Variable
4.2.2.6.6 Timers and counters of the AN system management
The contents of this subclause are identical to subclause 4.2.2.6.3 of ETS 300 324-3 [1].
4.3 Test step structure
General dynamic behaviours are described in test steps which can be called from all test cases within the
Abstract Test Suite (ATS):
state transitions (refer to subclause 4.3.1);
preconditions (refer to subclause 4.3.2);
preambles (refer to subclause 4.3.3);
postambles (refer to subclause 4.3.4);
status verification (refer to subclause 4.3.5);
common test steps (refer to subclause 4.3.6).
4.3.1 State transitions
The following subclauses identify the test steps used in the ATS. In general, each test step represents a
state transition. For example in the PSTN protocol, PSTN_AN1_2 is the test step which brings the AN
PSTN protocol FSM from PSTN_path_state AN1 to PSTN_path_state AN2. The state transitions are
declared in the parenthesis (originating state - destination state) which follow the test step names.
Six groups of state transitions are defined:
STARTUP start up the V5 interface and put the Implementation Under Test (IUT) into the initial
state as defined in subclause 5.1.5.
CTRL state transitions used to preamble and postamble the Control protocol before a test
purpose can be performed.
PSTN state transitions used to preamble and postamble the PSTN protocol before a test
purpose can be performed.
LINK state transitions used to preamble and postamble the Link control protocol before a
test purpose can be performed.
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