SIST ETS 300 011/A1 E1:2003

• Abstract:

  Amendment to the published version

• Status: Published
• Publication Date: 30-Nov-2003
• ICS: 33.080 - Integrated Services Digital Network (ISDN)
• 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 300 011/A1 ed.1 (1994-12) - Integrated Services Digital Network (ISDN); Primary rate user-network interface; Layer 1 specification and test principles

SIST ETS 300 011/A1 E1:2003 is the Slovenian publication of ETS 300 011/A1 Edition 1, an amendment to the standard for the Integrated Services Digital Network (ISDN) primary rate user-network interface. It updates Layer 1 specification and test principles for equipment that connects at that primary rate interface.

What does SIST ETS 300 011/A1 E1:2003 specify?

SIST ETS 300 011/A1 E1:2003 specifies amendments to the published version of ETS 300 011 (1992) for the ISDN primary rate user-network interface. It is a change document, so its role is to adjust selected requirements and test text rather than restate the whole base standard.

The amendment is organized as a short foreword, a list of amendments by page and clause, and a history box. The technical changes touch the title page, clause 3.4.6, clause 5.3, and Annex C, which means users need to apply the amendment together with the base standard.

What are the key requirements of SIST ETS 300 011/A1 E1:2003?

SIST ETS 300 011/A1 E1:2003 adds or changes a small number of technical points that matter in implementation and testing. The main impact is on how alignment-related primitives are issued, how clock recovery is handled, and how test results are interpreted in Annex C.

• Clause 3.4.6 and the notes to tables 2/I.431 and 3/I.431 - The primitives MPH-AI, PH-AI and MPH-DI are only to be issued when the relevant condition persists. In practice, this means the implementation must not react to a momentary disturbance; it should confirm that the condition is stable before generating the indication.

• Clause 3.4.6, persistency checking - The amendment points readers to the persistency check procedure in table 1/I.431, at the referenced subclauses. In practice, implementers and test labs need to follow the defined persistence logic rather than using an ad hoc check.

• Clause 5.3 - The amendment adds a resynchronization requirement for recovery to the network clock after loss of clock synchronization, together with a limit on the frequency deviation applied at the input port. In practice, this is a clock-stability and recovery requirement, so equipment should regain synchronization quickly enough and under the stated input conditions.

• Clause 5.4 Jitter - The amendment sits in the same Layer 1 performance area as jitter-related behavior. For readers, this signals that timing behavior is part of the interface conformity picture, even where this amendment does not rewrite the full jitter section.

• Annex C, subclause C.4.4 - The results text for the test stimuli is replaced for the alignment tests. In practice, test engineers get a clearer stimulus-to-monitor mapping for frame alignment and multiframe alignment behavior.

• Annex C, C.4.4 test interpretation - The amended text distinguishes initial conditions, no multiframe alignment conditions, and the transition back to stable conditions, with a note that one stimulus may need to be repeated to allow clock synchronization of the IUT. This matters because the observed result can depend on implementation behavior and on the timing needed for synchronization.

• CCITT Recommendation G.706 [4] - The amendment uses this reference for implementation options that affect whether the monitored result is RAI or NOF. In practice, the test outcome can depend on the option chosen in the underlying recommendation.

What terms does SIST ETS 300 011/A1 E1:2003 define?

• ISDN - Integrated Services Digital Network, the network family addressed by the standard.
• IUT - The implementation under test in the Annex C test procedure.
• RAI - A monitored alarm state used in the alignment test results.
• NOF - The no multiframe alignment state used in the same test matrix.
• MPH-AI, PH-AI, MPH-DI - Primitives that are only issued when the relevant condition persists.
• network clock - The timing reference used for resynchronization in clause 5.3.

Who uses SIST ETS 300 011/A1 E1:2003?

SIST ETS 300 011/A1 E1:2003 is used by telecom equipment designers, test laboratories, and standards engineers working on ISDN primary rate interfaces. It also matters to quality managers and buyers who need to verify that a product is tested against the Layer 1 behavior and alignment conditions used at that interface.

What changed in SIST ETS 300 011/A1 E1:2003 from the previous edition?

SIST ETS 300 011/A1 E1:2003 is an amendment to ETS 300 011 (1992). The stated changes update the title page reference, add persistency wording for the alignment-related primitives, add a resynchronization limit for loss of clock synchronization, and replace the Annex C results text for the alignment stimuli.

Which standards are used with SIST ETS 300 011/A1 E1:2003?

The amendment names CCITT Recommendation G.706 [4]. It contributes the implementation options that affect the observed RAI or NOF result in the Annex C test text.

What does the SIST ETS 300 011/A1 E1:2003 document contain?

The document contains amendment text rather than a full rewrite of the base standard. It changes a note linked to tables 2/I.431 and 3/I.431, updates the clause 5.3 timing and synchronization text, and replaces the results text in Annex C, subclause C.4.4.

Annex C contains a stimulus-and-monitor table for test evaluation. The amended text shows how to judge frame alignment and multiframe alignment behavior, including the expected monitored states and the dependence on implementation options and synchronization time.

SLOVENSKI STANDARD
01-december-2003
'LJLWDOQRRPUHåMH]LQWHJULUDQLPLVWRULWYDPL,6'1±3ULPDUQLYPHVQLNXSRUDEQLN
RPUHåMH±6SHFLILNDFLMDSUYHSODVWLLQQDþHODSUHVNXãDQMD
Integrated Services Digital Network (ISDN); Primary rate user-network interface; Layer 1
specification and test principles
Ta slovenski standard je istoveten z: ETS 300 011/A1 Edition 1
ICS:
33.080 Digitalno omrežje z Integrated Services Digital
integriranimi storitvami Network (ISDN)
(ISDN)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

ETS 300 011
AMENDMENT A1
December 1994
Source: ETSI TC-TM Reference: RE/TM-03040
ICS: 33.080, 33.040, 33.040.50
ISDN, primary rate user-network interface, testing
Key words:
This amendment A1 modifies
the European Telecommunication Standard ETS 300 011 (1992)
Integrated Services Digital Network (ISDN);
Primary rate user-network interface
Layer 1 specification and test principles
ETSI
European Telecommunications Standards Institute
ETSI Secretariat
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Postal address:
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Office address:
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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 300 011: April 1992/A1: December 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 Standards Approval Dept." at the address shown on the title page.

Page 3
ETS 300 011: April 1992/A1: December 1994
Foreword
This Amendment to ETS 300 011 (1992) has been produced by the Transmission and Multiplexing (TM)
Technical Committee of the European Telecommunications Standards Institute (ETSI).
Amendments
Title page
Replace the reference "DE/TM-0310" with the reference "DE/TM-03010".
Page 17, table 1, table entry 3.4.6
Replace the text "" by the following:
Clause/ Title/comment Statement
subclause
3.4.6 State tables N
Replace NOTE b) to table 2/I.431 by
the following:
NOTE b): The primitives MPH-AI,
PH-AI and MPH-DI shall only be
issued when the relevant condition
persists. The persistency check
procedure is defined in
table 1/I.431, § 5.9.3.2.3.
Add a new NOTE d) to table 3/I.431:
NOTE d): The primitives MPH-AI,
PH-AI and MPH-DI shall only be
issued when the relevant condition
persists. The persistency check
procedure is defined in
t
...