SIST ETS 300 277 E1:2003

• Abstract:

  .

• 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 300 277 ed.1 (1994-03) - Network Aspects (NA); Metropolitan Area Network (MAN); Physical Layer Convergence Procedure (PLCP) for 622,080 Mbit/s CCITT Recommendations G.707, G.708 and G.709 SDH based systems Protocol Implementation Conformance Statement (PICS)

SIST ETS 300 277 E1:2003 is the Slovenian adoption of ETS 300 277 Edition 1 from ETSI. It specifies the Protocol Implementation Conformance Statement (PICS) for the Physical Layer Convergence Procedure (PLCP) at 622,080 Mbit/s for a Metropolitan Area Network (MAN) subnetwork based on DQDB and SDH systems. In practice, it tells implementers and test teams how to declare and check which PLCP features are supported.

What does SIST ETS 300 277 E1:2003 specify?

SIST ETS 300 277 E1:2003 defines a PICS proforma for the PLCP used in a MAN subnetwork context. The document is built so that an implementation can state its support against the functional model in ETS 300 276.

Clause	What it covers
1 Scope	The PICS for PLCP at 622,080 Mbit/s in the MAN context
2 Normative references	ETS 300 276, ETS 300 212, IEEE 802.6, CCITT Recommendation I.432
3 Definitions	Definitions taken from IEEE Standard 802.6
4 Symbols and abbreviations	IEEE 802.6 symbols plus the PICS support codes
5 PICS for ETS 300 276	The conformance items for mapping, frame format, overhead, faults, receiver, transmitter, LSS and timing

The clause numbering follows ETS 300 276, which helps readers compare the PICS items directly with the base PLCP specification.

What are the key requirements of SIST ETS 300 277 E1:2003?

SIST ETS 300 277 E1:2003 is mainly a conformance checklist, so its key requirements are the features an implementation must declare and the behavior it must match. The practical point is not design detail alone, but whether the equipment behaves as the standard's functional model says it should.

PICS status and declaration rules

Clause 4 defines the support codes used in the proforma: m, o, c, d, and n/a. It also defines value notation such as ranges and alternatives, and the support column may include note markers for deviations. For users, this means the document is meant to be filled in clearly and consistently when recording feature support.

Conformance to the PLCP model

Clause 5 states that an implementation is required to conform to the functional models in ETS 300 276 for all externally observable effects. That matters because the PICS is not only about internal design choices, but about what other equipment can actually observe on the interface.

Mapping and frame structure

Clause 5.1 covers the general mapping relationship to CCITT Recommendation I.432, and Clause 5.2 covers the PLCP frame format. Together, these clauses tell implementers how PLCP is structured and how the frame format is checked against the profile.

Path overhead and related fields

Clause 5.3 lists the path overhead items that must be supported in the PICS, including path trace, parity, signal label, multiframe indicator, LSS-related content, and M1/M2 and Z4/Z5 octets. In practice, this is the part that tells a designer or tester which overhead functions must be present and declared.

Fault handling and out-of-service behavior

Clause 5.4 covers PLCP behavior during transmission system faults, PLCP faults, and DQDB layer faults. Clause 5.5 covers behavior when the DQDB layer is out of service. These clauses matter because they describe what the PLCP should do during abnormal conditions, including how it handles void slots, status indications, and timer behavior.

Receiver and transmitter operation

Clause 5.6.1 describes receiver operation, including bus A and bus B slot delineation state machines and framing state machines. Clause 5.6.2 describes transmitter operation, including frame generation, void slots, the H4 pointer, and HCS-related action. For engineers, this is the part that links the conformance statement to the actual send-and-receive behavior of the PLCP.

Status and timing tables

Clause 5.6.3 gives the LSS operations table, and Clause 5.6.4 gives the physical layer frame timing operations table. These tables supplement IEEE Standard 802.6 and are the key references for state-dependent behavior and timing-related conformance checks.

What terms does SIST ETS 300 277 E1:2003 define?

• Protocol Implementation Conformance Statement (PICS) - the proforma used to declare which features, parameters, and capabilities an implementation supports.
• Physical Layer Convergence Procedure (PLCP) - the physical-layer function whose conformance is being profiled in this standard.
• Metropolitan Area Network (MAN) - the network context in which the PLCP subnetwork is defined and used.
• Distributed Queue Dual Bus (DQDB) - the MAN access method referenced by the standard and its supporting ETS.
• m / o / c / d / n/a - the support codes used in the PICS tables to show mandatory, optional, conditional, default-defined, and not-applicable items.
• Y / N / X_ - the support-entry format used to declare whether an item is supported, not supported, or marked with a note reference.

Who uses SIST ETS 300 277 E1:2003?

SIST ETS 300 277 E1:2003 is used by equipment vendors, system integrators, and test laboratories working on MAN subnetwork implementations at 622,080 Mbit/s. Quality and compliance teams use it to complete or review the PICS for PLCP equipment against ETS 300 276 and the referenced IEEE 802.6 behavior. It is also useful when a buyer or project engineer needs to check whether a product matches the specific DQDB-based MAN profile.

What changed in SIST ETS 300 277 E1:2003 from the previous edition?

SIST ETS 300 277 E1:2003 is identical to ETS 300 277 Edition 1.

Which standards are used with SIST ETS 300 277 E1:2003?

• ETS 300 276 - the base PLCP specification whose functional models and clause numbering are used by this PICS.
• ETS 300 212 - the MAN media access control layer and physical layer specification that defines the DQDB context.
• IEEE Standard 802.6 - provides the definitions, symbols, abbreviations, and several referenced state-machine and timing details.
• CCITT Recommendation I.432 - provides the physical-layer relationship referenced in the mapping clause.

What does the SIST ETS 300 277 E1:2003 document contain?

SIST ETS 300 277 E1:2003 contains a structured PICS proforma with support tables for the PLCP features, plus references to figures 1, 2, and 7. It includes tables for mapping, frame format, path overhead fields, fault behavior, DQDB layer out-of-service behavior, receiver operation, transmitter operation, LSS operations, and physical layer frame timing. The document is set up for conformance declaration and for checking observable behavior against the MAN PLCP model.

SLOVENSKI STANDARD
01-december-2003
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Network Aspects (NA); Metropolitan Area Network (MAN); Physical Layer Convergence
Procedure (PLCP) for 622,080 Mbit/s CCITT Recommendations G.707, G.708 and
G.709 SDH based systems Protocol Implementation Conformance Statement (PICS)
Ta slovenski standard je istoveten z: ETS 300 277 Edition 1
ICS:
35.110 Omreževanje Networking
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN ETS 300 277
TELECOMMUNICATION March 1994
STANDARD
Source: ETSI TC-NA Reference: DE/NA-053034
ICS: 33.080
MAN, PICS
Key words:
Network Aspects (NA);
Metropolitan Area Network (MAN)
Physical Layer Convergence Procedure (PLCP) for 622,080 Mbit/s
CCITT Recommendations G.707, G.708 and G.709
SDH based systems
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 300 277: 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 300 277: March 1994
Contents
Foreword.5
1 Scope .7
2 Normative references .7
3 Definitions.7
4 Symbols and abbreviations.7
5 PICS for ETS 300 276.8
5.1 CCITT Recommendation I.432 relationship to the PLCP.8
5.2 The PLCP frame format.8
5.3 PLCP path overhead field definitions.9
5.4 PLCP behaviour during faults .9
5.5 PLCP behaviour during DQDB layer out of service.10
5.6 PLCP operation .10
5.6.1 Receiver operation .10
5.6.2 Transmitter operation .10
5.6.3 Link status signal operations table .11
5.6.4 Physical layer frame timing operations table .11
History.12

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ETS 300 277: March 1994
Blank page
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ETS 300 277: 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 622,080 Mbit/s in accordance with ETS 300 276 [1].

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ETS 300 277: March 1994
Blank page
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ETS 300 277: March 1994
1 Scope
This European Telecommunication Standard (ETS) defines the Protocol Implementation Conformance
Statement (PICS) for the Physical Layer Convergence Procedure (PLCP) at 622,080 Mbit/s for use in the
context of a subnetwork of a Metropolitan Area Network (MAN) as defined in ETS 300 276 [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 300 276: "Network Aspects (NA); Metropolitan Area Network (MAN)
Physical layer convergence procedure for 622,080 Mbit/s CCITT G.707-9 SDH
based systems".
[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)".
[4] CCITT Recommendation I.432 (1991): "B-ISDN user-network interface -
Physical layer specification".
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

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ETS 300 277: March 1994
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.
For ease of reference, the numbering of the following Clauses is identical to that contained in ETS 300 276
[1].
5 PICS for ETS 300 276
An implementation is required to conform to the functional models defined in ETS 300 276 [1] with regard
to all of the externally observable effects.
5.1 CCITT Recommendation I.432 relationship to the PLCP
See also CCITT Recommendation I.432 [4].
Table 1
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‡Item ‡ Feature     ‡Reference ‡Status‡Predicate‡ Value      ‡Support ‡
ˆ˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜˜¯˜˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜·
‡ 5.1 ‡ General mapping ‡ 5.1   ‡ m  ‡     ‡         ‡Y[ ] N[ ]‡
‡   ‡         ‡     ‡   ‡     ‡         ‡  X_  ‡
�˜˜˜˜˜`˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜�
5.2 The PLCP frame format
Table 2
�˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜¿
‡Item ‡ Feature     ‡Reference ‡Status‡Predicate‡ Value      ‡Support ‡
ˆ˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜˜¯˜˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜·
‡5.1 ‡Format per    ‡ 5.2   ‡ m  ‡     ‡         ‡Y[ ] N[ ]‡
‡   ‡figures 1 and 2 ‡     ‡   ‡     ‡         ‡  X_  ‡
�˜˜˜˜˜`˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜`˜˜˜˜˜˜˜˜˜�

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ETS 300 277: March 1994
5.3 PLCP path overhead field definitions
Table 3
�˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜´˜˜˜˜˜˜˜˜˜¿
‡Item ‡ Feature     ‡Reference ‡Status‡Predicate‡ Value      ‡Support ‡
ˆ˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜˜¯˜˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜˜¯˜˜˜˜˜˜˜˜˜·
‡5.1 ‡Path trace octet ‡ 5.3.1  ‡ m  ‡     ‡         ‡Y[ ] N[ ]‡
‡   ‡         ‡     ‡   ‡     ‡         ‡  X_  ‡
‡   ‡         ‡     ‡
...