SIST ETS 300 271 E1:2003

• Abstract:

  DE/NA-053030

• Status: Published
• Publication Date: 30-Nov-2003
• ICS: 35.110 - Networking
• Technical Committee: SS EIT - Technical Board for the electrotechnical, information technology and telecommunications fields
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Dec-2003
• Due Date: 01-Dec-2003
• Completion Date: 01-Dec-2003
• Ref Project: ETSI ETS 300 271 ed.1 (1994-03) - Network Aspects (NA); Metropolitan Area Network (MAN); Physical Layer Convergence Procedure (PLCP) for 139,264 Mbit/s Protocol Implementation Conformance Statement (PICS)

SIST ETS 300 271 E1:2003 is the Slovenian standard aligned with ETS 300 271 Edition 1, issued by SIST. It specifies a Protocol Implementation Conformance Statement (PICS) for the Physical Layer Convergence Procedure (PLCP) used in a Metropolitan Area Network (MAN) at 139,264 Mbit/s. In practice, it is the document vendors, integrators, and test labs use to state and check which PLCP features an implementation supports.

What does SIST ETS 300 271 E1:2003 specify?

SIST ETS 300 271 E1:2003 specifies a PICS proforma for the PLCP at 139,264 Mbit/s in the context of a MAN subnetwork. It is a conformance-statement document, so it is used to declare support for defined features and behaviors rather than to define the whole protocol from scratch.

The document is organized into:

• Scope
• Normative references
• Definitions
• Symbols and abbreviations
• Clause 5, which contains the PICS tables for E4 based systems
• History

Clause 5 follows the numbering used in ETS 300 215, which makes it easier to compare the PICS items with the underlying protocol specification.

What are the key requirements of SIST ETS 300 271 E1:2003?

SIST ETS 300 271 E1:2003 is built around conformance tables. The implementer uses these tables to show whether each feature is mandatory, optional, conditional, defaulted, or not applicable, and that matters because the document is meant to be completed and checked item by item.

PICS notation and support status

Clause 4 defines the support-type abbreviations used in the tables: m, o, c, d, and n/a. It also defines the value shortcuts used in the PICS fields. In practice, this is the key for reading the tables correctly and for documenting deviations or conditional support.

Relationship to the PLCP

Clause 5.1 covers the relationship between E4 octets and the PLCP, including octet alignment and octet coding. It also identifies the alarm indication bit and the bits reserved for national use. For a supplier, this is the part that says how the implementation maps the E4 signal into the PLCP structure.

PLCP frame format and field definitions

Clause 5.2 requires the frame format shown in the referenced figure, and Clause 5.3 breaks the PLCP into named fields such as framing octets, path overhead identification octets, B1, G1, M1/M2, C1, Z1-Z31, and trailer octets. It also covers optional and conditional items such as FEBE and alarm signaling. In practice, this tells a test lab what fields must exist and what behaviors the equipment must support or report.

Fault behavior and out-of-service behavior

Clause 5.4 describes PLCP behavior during transmission system faults, PLCP faults, and DQDB layer faults. It includes the jam signal behavior and the timer action tied to jam detection. Clause 5.5 says how PLCP behaves when the DQDB layer is out of service, including continued normal operation and unmodified relay of M1 and M2 octets. This is important for fault-injection testing and service-continuity checks.

Framing state machine and timing

Clause 5.6 requires a Bus A and Bus B framing state machine. Clause 5.6.1 gives the Link Status Signal (LSS) operations table, and Clause 5.6.2 gives the physical layer frame timing operations table. These items matter because they define the state-based behavior that an implementation must show during framing and timing operation.

What terms does SIST ETS 300 271 E1:2003 define?

• PICS - Protocol Implementation Conformance Statement, the proforma used to record which features and options an implementation supports.
• PLCP - Physical Layer Convergence Procedure, the part that adapts the MAN physical layer behavior to the defined transmission structure.
• MAN - Metropolitan Area Network, the network context for which this PLCP applies.
• DQDB - Distributed Queue Dual Bus, the access method and subnetwork model used in the referenced MAN environment.
• LSS - Link Status Signal, the signal whose operations are defined in the framing state machine.
• FEBE - Far End Block Error, the error indication associated with the G1 field.
• BIP-8 - Bit Interleaved Parity-8, the parity function associated with the B1 octet.

Who uses SIST ETS 300 271 E1:2003?

SIST ETS 300 271 E1:2003 is used by telecom equipment manufacturers, conformance test laboratories, and network integrators working with MAN equipment. Quality and compliance teams use it to document support for PLCP features, while buyers and specifiers use it to ask for a clear declaration of conformance. It is especially relevant when checking frame structure, fault handling, signaling, and timing behavior.

Which standards are used with SIST ETS 300 271 E1:2003?

• ETS 300 215 - provides the PLCP specification for 139,264 Mbit/s and supplies the functional model that this PICS follows.
• ETS 300 212 - defines the MAN media access control layer and physical layer specification for the DQDB environment.
• IEEE Standard 802.6 (1990) - provides the DQDB definitions, symbols, abbreviations, and baseline framing and timing references used by this ETS.

What does the SIST ETS 300 271 E1:2003 document contain?

SIST ETS 300 271 E1:2003 contains PICS tables for the PLCP relationship to E4, the frame format, field definitions, fault behavior, DQDB out-of-service behavior, and framing operations. It also includes a framing state machine reference and a timing operations table. These tables are the parts used when filling in a conformance statement, performing interoperability checks, or validating equipment behavior against the MAN/PLCP model.

SLOVENSKI STANDARD
01-december-2003
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IL]LþQLSODVWL3/&3]DKLWURVW0ELWV±,]MDYDRVNODGQRVWLL]YHGEH
SURWRNROD3,&6
Network Aspects (NA); Metropolitan Area Network (MAN); Physical Layer Convergence
Procedure (PLCP) for 139,264 Mbit/s Protocol Implementation Conformance Statement
(PICS)
Ta slovenski standard je istoveten z: ETS 300 271 Edition 1
ICS:
35.110 Omreževanje Networking
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN ETS 300 271
TELECOMMUNICATION March 1994
STANDARD
Source: ETSI TC-NA Reference: DE/NA-053030
ICS: 33.080
MAN, PICS
Key words:
Network Aspects (NA);
Metropolitan Area Network (MAN)
Physical Layer Convergence Procedure (PLCP) for 139,264 Mbit/s
Protocol Implementation Conformance Statement (PICS)
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
F-06921 Sophia Antipolis CEDEX - FRANCE
Postal address:
650 Route des Lucioles - Sophia Antipolis - Valbonne - FRANCE
Office address:
c=fr, a=atlas, p=etsi, s=secretariat - [e-mail]
X.400: Internet:
Tel.: [phone] - Fax: [phone]
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 1994. All rights reserved.
New presentation - see History box

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ETS 300 271: March 1994
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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ETS 300 271: March 1994
Contents
Foreword.5
1 Scope .7
2 Normative references .7
3 Definitions.7
4 Symbols and abbreviations.7
5 PICS for the "PLCP for E4 based systems".8
5.1 E4 relationship to the PLCP .8
5.2 The PLCP frame format.8
5.3 PLCP field definitions.9
5.4 PLCP behaviour during faults .10
5.5 PLCP behaviour during DQDB layer out of service.10
5.6 PLCP framing .10
5.6.1 Link status signal operations table .11
5.6.2 Physical layer frame timing operations table .11
History.12

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ETS 300 271: March 1994
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ETS 300 271: March 1994
Foreword
This European Telecommunication Standard (ETS) has been prepared by the Network Aspects (NA)
Technical Committee of the European Telecommunications Standards Institute (ETSI).
This ETS details the Protocol Implementation Conformance Statement (PICS) for the Physical Layer
Convergence Procedure (PLCP) for a European Metropolitan Area Network (MAN) based on the
Distributed Queue Dual Bus (DQDB) access method as defined in ETS 300 212 [2] operating at a
transmission rate of 139,264 Mbit/s in accordance with ETS 300 215 [1].

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ETS 300 271: March 1994
Blank page
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ETS 300 271: March 1994
1 Scope
This European Telecommunication Standard (ETS) defines Protocol Implementation Conformance
Statement (PICS) for the Physical Layer Convergence Procedure (PLCP) at 139,264 Mbit/s for use in the
context of a subnetwork of a Metropolitan Area Network (MAN) as defined in ETS 300 215 [1].
2 Normative references
This ETS incorporates, by dated or undated reference, provisions from other publications. These normative
references are cited at the appropriate places in the text and the publications are listed below. For dated
references, subsequent amendments to or revisions 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 300 215: "Network Aspects (NA); Metropolitan Area Network (MAN)
Physical layer convergence procedure for 139,264 Mbit/s".
[2] ETS 300 212: "Network Aspects (NA); Metropolitan Area Network (MAN) Media
access control layer and physical layer specification".
[3] IEEE Standard 802.6 (1990): "Distributed Queue Dual Bus (DQDB) Subnetwork
of a Metropolitan Area Network (MAN)".
3 Definitions
For the purposes of this ETS, the definitions as defined in IEEE Standard 802.6 [3] shall apply.
4 Symbols and abbreviations
For the purposes of this ETS, the symbols and abbreviations as defined in IEEE Standard 802.6 [3] shall
apply.
Additionally, for this PICS proforma, the following abbreviations are used in defining the support type of a
feature, parameter or capability:
m mandatory
o optional
c conditional
d default value defined
n/a not applicable
When used in the column labelled "Value", the following abbreviations are defined:
xx - yy from number xx to number yy
xx/yy either number xx or number yy applies, depending on the actual conditions
For each of the conditional items, an explanation of the parameter or capability under which the feature,
parameter or capability is mandatory, is given in the Clause or subclause in which the conditional items
appear.
The notation X_ in the column "Support" means that numbers may be entered in this place pointing to notes
which indicate deviation from the standard.

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ETS 300 271: March 1994
For ease of reference, the numbering of the following Clauses is identical to that contained in ETS 300 215
[1].
5 PICS for the "PLCP for E4 based systems"
An implementation is required to conform to the functional models defined in ETS 300 215 [1] with regard
to all of the externally observable effects.
5.1 E4 relationship to the PLCP
Table 1
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‡Item ‡ Feature     ‡Reference‡Status‡Predicate‡ Value      ‡Support ‡
˘˝˝˝˝˝�˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝�˝˝˝˝˝˝˝˝˝�˝˝˝˝˝˝�˝˝˝˝˝˝˝˝˝�˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝�˝˝˝˝˝˝˝˝˝�
‡ 5.1 ‡ E4 octets    ‡ 5.1.1  ‡ m  ‡     ‡         ‡Y[ ] N[ ]‡
‡   ‡ "sliding"    ‡     ‡   ‡     ‡         ‡  X_  ‡
‡   ‡         ‡     ‡   ‡     ‡         ‡     ‡
‡ 5.2 ‡ Octet alignment ‡ 5.1.1  ‡ m  ‡     ‡         ‡Y[ ] N[ ]‡
‡   ‡         ‡     ‡   ‡     ‡         ‡  X_  ‡
‡   ‡         ‡     ‡   ‡     ‡         ‡     ‡
‡ 5.3 ‡ Octet coding  ‡ 5.1.1  ‡ m  ‡     ‡111110100000   ‡Y[ ] N[ ]‡
‡   ‡         ‡     ‡   ‡     ‡  A NNN     ‡  X_  ‡
‡   ‡         ‡     ‡   ‡     ‡         ‡     ‡
ˆ˜˜˜˜˜`˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜·
‡  A = Alarm indication to the remote end bit.                ‡
‡  NNN = Three bits reserved for national use.                ‡
�˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜�
5.2 The PLCP frame format
Table 2
�˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜¿
‡Item ‡ Feature      ‡ Reference‡Status‡Predicate‡ Value      ‡Support ‡
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‡5.1 ‡Format per figure 1 ‡ 5.2   ‡ m  ‡     ‡         ‡Y[ ] N[ ]‡
‡   ‡          ‡     ‡   ‡     ‡         ‡  X_  ‡
‡   ‡          ‡     ‡   ‡     ‡         ‡     ‡
�˜˜˜˜˜`˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜�

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ETS 300 271: March 1994
5.3 PLCP field definitions
Table 3
�˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜¿
‡Item ‡ Feature     ‡Reference‡Status  ‡Predicate‡ Value      ‡Support ‡
˘˝˝˝˝˝�˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝�˝˝˝˝˝˝˝˝˝�˝˝˝˝˝˝˝˝˝˝�˝˝˝˝˝˝˝˝˝�˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝�˝˝˝˝˝˝˝˝˝�
‡5.1 ‡Framing octets  ‡5.3.1  ‡  m   ‡     ‡1111011000101000 ‡Y[ ] N[ ]‡
‡   ‡
...