SIST ETS 300 269 E1:2003

• Abstract:

  DE/NA-053026

• 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 300 269 ed.1 (1994-03) - Network Aspects (NA); Metropolitan Area Network (MAN); Physical Layer Convergence Procedure (PLCP) for 2,048 Mbit/s Protocol Implementation Conformance Statement (PICS)

SIST ETS 300 269 E1:2003 is a Slovenian standard identical to ETS 300 269 Edition 1 from ETSI. It gives the Protocol Implementation Conformance Statement (PICS) proforma for the Physical Layer Convergence Procedure (PLCP) at 2,048 Mbit/s in a Metropolitan Area Network (MAN) subnetwork based on the Distributed Queue Dual Bus (DQDB) access method. In practice, it is used to declare and check which PLCP features an implementation supports.

What does SIST ETS 300 269 E1:2003 specify?

SIST ETS 300 269 E1:2003 specifies the PICS for the PLCP at 2,048 Mbit/s for use in the context of a MAN subnetwork defined in ETS 300 213. It is a conformance statement document, so its role is to map implementation support for named PLCP features rather than to define the whole protocol again.

The document is organized into a foreword, scope, normative references, definitions, symbols and abbreviations, and Clause 5 with the PLCP PICS. Clause 5 is divided into the E1 relationship to the PLCP, the PLCP frame format, PLCP field definitions, fault behavior, DQDB layer out-of-service behavior, and PLCP framing, including the link status signal and frame timing operations tables. The numbering of these clauses follows ETS 300 213 for ease of reference.

What are the key requirements of SIST ETS 300 269 E1:2003?

SIST ETS 300 269 E1:2003 is built around feature-by-feature conformance reporting. The main practical requirement is to state, for each named item, whether the implementation supports it and under what conditions.

Conformance basis and PICS coding

Clause 5 says an implementation is required to conform to the functional models in ETS 300 213 for all externally observable effects. That matters because the PICS is not a design guide - it is a way to show how the implementation behaves against the ETSI model.

Clause 4 defines the support coding used in the PICS tables: mandatory, optional, conditional, default value defined, and not applicable. It also defines the value notation and the support-marking convention for deviations. In practice, this tells a vendor or tester how to complete the statement consistently.

E1 framing and frame format

Clause 5.1 makes the relation to E1 framing, octet alignment, and octet coding mandatory. Clause 5.2 requires the PLCP frame format shown in the document's figure. In practice, this fixes the basic frame structure that an implementation has to follow.

PLCP field behavior

Clause 5.3 lists the key PLCP fields that must be supported or reported in the PICS, including framing octets, path overhead identification octets, B1, G1, M1 and M2, C1, and Z1-Z4. It also defines optional and conditional support for FEBE and alarm signalling in the G1 octet, plus the handling of invalid LSS codes. For a reader, this section is the main checklist for what the PLCP has to carry and how the fields are treated.

Fault and out-of-service behavior

Clause 5.4 covers PLCP behavior during transmission system faults, PLCP faults, and DQDB layer faults. It includes jam signal handling, jam signal detection, and the timer action associated with that detection. Clause 5.5 states that PLCP continues normal operation when the DQDB layer is out of service and relays M1 and M2 octets unmodified. In practice, these clauses show how the implementation should behave when the link is degraded or the lower layer is unavailable.

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 operations table, and Clause 5.6.2 adds the physical layer frame timing operations table and supplements the timing-source information in IEEE 802.6. This is the part that implementers and test labs use when checking state transitions and frame timing behavior.

What terms does SIST ETS 300 269 E1:2003 define?

• Protocol Implementation Conformance Statement (PICS) - a proforma used to record which features of the standard an implementation supports.
• Physical Layer Convergence Procedure (PLCP) - the layer described by the standard for 2,048 Mbit/s MAN operation.
• Metropolitan Area Network (MAN) - the network type covered by the ETSI MAN specifications used here.
• Distributed Queue Dual Bus (DQDB) - the access method and subnetwork basis referenced by the standard.
• Link status signal (LSS) - the signal carried in the G1 octet to indicate link status.
• Far End Block Error (FEBE) - an error indication that can be encoded in the G1 octet.

Who uses SIST ETS 300 269 E1:2003?

SIST ETS 300 269 E1:2003 is used by equipment manufacturers, conformance test laboratories, and engineers who need to document support for PLCP functions in a DQDB-based MAN. It is also useful for quality managers and buyers who need a feature-by-feature statement when comparing or accepting 2,048 Mbit/s MAN equipment.

What changed in SIST ETS 300 269 E1:2003 from the previous edition?

SIST ETS 300 269 E1:2003 is identical to ETS 300 269 Edition 1. The document history records the first edition in March 1994 and a PDF conversion in March 1996.

Which standards are used with SIST ETS 300 269 E1:2003?

• ETS 300 213 - defines the MAN physical layer convergence procedure for 2,048 Mbit/s and provides the functional model and framing context used by this PICS.
• ETS 300 212 - defines the MAN media access control layer and physical layer specification referenced for the DQDB-based system.
• IEEE Standard 802.6 - supplies the DQDB definitions, symbols, abbreviations, and related operational information used throughout the document.

What does the SIST ETS 300 269 E1:2003 document contain?

The document contains PICS tables that classify features as mandatory, optional, conditional, default-defined, or not applicable. It also contains a PLCP frame format figure, a framing state machine figure, and operations tables for link status signal behavior and physical layer frame timing. Clause 5.3 organizes the field-by-field PLCP items that matter for implementation checks, while Clauses 5.4 to 5.6 cover fault handling, out-of-service behavior, and framing operation. These parts are the sections a tester or implementer would use when preparing a conformance statement or reviewing an implementation against the MAN model.

SLOVENSKI STANDARD
01-december-2003
2PUHåQLYLGLNL1$±9HOHPHVWQRRPUHåMH0$1±.RQYHUJHQþQLSRVWRSHNQD
IL]LþQLSODVWL3/&3]DKLWURVW0ELWV±,]MDYDRVNODGQRVWLL]YHGEHSURWRNROD
3,&6
Network Aspects (NA); Metropolitan Area Network (MAN); Physical Layer Convergence
Procedure (PLCP) for 2,048 Mbit/s Protocol Implementation Conformance Statement
(PICS)
Ta slovenski standard je istoveten z: ETS 300 269 Edition 1
ICS:
35.110 Omreževanje Networking
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN ETS 300 269
TELECOMMUNICATION March 1994
STANDARD
Source: ETSI TC-NA Reference: DE/NA-053026
ICS: 33.080
MAN, PICS
Key words:
Network Aspects (NA);
Metropolitan Area Network (MAN)
Physical Layer Convergence Procedure (PLCP) for 2,048 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

Page 2
ETS 300 269: 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.

Page 3
ETS 300 269: 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 E1 based systems".8
5.1 E1 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

Page 4
ETS 300 269: March 1994
Blank page
Page 5
ETS 300 269: 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 2,048 Mbit/s in accordance with ETS 300 213 [1].

Page 6
ETS 300 269: March 1994
Blank page
Page 7
ETS 300 269: March 1994
1 Scope
This European Telecommunication Standard (ETS) defines Protocol Implementation Conformance
Statement (PICS) for the Physical Layer Convergence Procedure (PLCP) at 2,048 Mbit/s for use in the
context of a subnetwork of a MAN as defined in ETS 300 213 [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 300 213: "Network Aspects (NA); Metropolitan Area Network (MAN)
Physical layer convergence procedure for 2,048 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".
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.
In addition, 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.

Page 8
ETS 300 269: March 1994
For ease of reference, the numbering of the following Clauses is identical to that contained in
ETS 300 213 [1].
5 PICS for the "PLCP for E1 based systems"
An implementation is required to conform to the functional models defined in ETS 300 213 [1] with regard
to all of the externally observable effects.
5.1 E1 relationship to the PLCP
Table 1
�˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜¿
‡Item ‡ Feature     ‡References ‡Status‡Predicate‡ Value      ‡Support ‡
˘˝˝˝˝˝�˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝�˝˝˝˝˝˝˝˝˝˝˝�˝˝˝˝˝˝�˝˝˝˝˝˝˝˝˝�˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝�˝˝˝˝˝˝˝˝˝�
‡ 5.1 ‡ Relation to E1 ‡5.1.1   ‡ m  ‡     ‡         ‡Y[ ] N[ ]‡
‡   ‡ framing     ‡      ‡   ‡     ‡         ‡  X_  ‡
‡   ‡         ‡      ‡   ‡     ‡         ‡     ‡
‡ 5.2 ‡ Octet alignment ‡5.1.1   ‡ m  ‡     ‡         ‡Y[ ] N[ ]‡
‡   ‡         ‡      ‡   ‡     ‡         ‡  X_  ‡
‡ 5.3 ‡ Octet coding  ‡5.1.1   ‡ m  ‡     ‡         ‡Y[ ] N[ ]‡
‡   ‡         ‡      ‡   ‡     ‡         ‡  X_  ‡
‡   ‡         ‡      ‡   ‡     ‡         ‡     ‡
�˜˜˜˜˜`˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜�
5.2 The PLCP frame format
Table 2
�˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜¿
‡Item ‡ Feature      ‡Reference‡Status‡Predicate‡ Value      ‡Support ‡
˘˝˝˝˝˝�˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝�˝˝˝˝˝˝˝˝˝�˝˝˝˝˝˝�˝˝˝˝˝˝˝˝˝�˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝�˝˝˝˝˝˝˝˝˝�
‡5.1 ‡Format per figure 1 ‡5.2   ‡ m  ‡     ‡         ‡Y[ ] N[ ]‡
‡   ‡          ‡     ‡   ‡     ‡         ‡  X_  ‡
�˜˜˜˜˜`˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜�

Page 9
ETS 300 269: March 1994
5.3 PLCP field definitions
Table 3
�˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜¿
‡Item ‡ Feature     ‡References‡ Status  ‡Predicate‡Value      ‡Support ‡
˘˝˝˝˝˝�˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝�˝˝˝˝˝˝˝˝˝˝�˝˝˝˝˝˝˝˝˝˝˝�˝˝˝˝˝˝˝˝˝�˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝˝�˝˝˝˝˝˝˝˝˝�
‡5.1 ‡Framing octets  ‡5.3.1   ‡  m   ‡     ‡1111011000101000 ‡Y[ ] N[ ]‡
‡   ‡         ‡     ‡      ‡     ‡         ‡  X_  ‡
‡   ‡         ‡     ‡      ‡     ‡         ‡     ‡
‡5.2 ‡Path Overhead  ‡5.3.2   ‡  m   ‡
...