SIST ETS 300 347-9:1997

SIST ETS 300 347-9:1997 is the Slovenian standard for physical-layer conformance testing of the V5.2 interface between a digital Local Exchange (LE) and an Access Network (AN). It is part 9 of the ETS 300 347 series from ETSI and uses ETS 300 166, ETS 300 167 and ETS 300 347-1 as the basis for testing. In practice, it tells implementers and test labs which interface characteristics to verify and confirms that no extra V5.2-specific physical-layer tests are added.

What does SIST ETS 300 347-9:1997 specify?

SIST ETS 300 347-9:1997 specifies conformance test methods for the physical layer of the V5.2 interface. The scope links the work to support of an Access Network with up to N interfaces at 2048 kBit/s and concentration capability within the Access Network.

The document is organized into four main clauses:

• Scope
• Normative references
• Abbreviations
• Conformance test requirements

The foreword places this part in a nine-part V5.2 series, with Part 9 covering the physical layer. That matters because readers need the companion parts when they are working on higher-layer protocol testing or implementation statements.

What are the key requirements of SIST ETS 300 347-9:1997?

SIST ETS 300 347-9:1997 keeps the physical-layer testing tightly aligned with the underlying 2 048 kbit/s interface standards. The main practical point is that the part does not create a separate physical-layer test regime just for V5.2.

• Physical-layer conformance testing only. Clause 1 limits this part to the physical layer. For engineers, that means the document is about line/interface behaviour, not network-layer or data-link-layer protocol checks.
• Test basis in ETS 300 347-1. Clause 1 points to ETS 300 347-1 clauses 4 and 5, plus the particular requirements in clause 16. This tells the reader where the V5.2 interface is defined and where the physical-layer test target comes from.
• Use ETS 300 166 as the conformance test model. Clause 4 says testing shall follow the conformance testing defined for ETS 300 166. In practice, labs use the physical and electrical interface characteristics for hierarchical digital interfaces as the basis for measurements and acceptance.
• Use ETS 300 167 as part of the test basis. Clause 4 also requires conformance testing in line with ETS 300 167. This adds the functional characteristics of 2 048 kbit/s interfaces to the test reference set.
• No additional V5.2-specific conformance tests. Clause 4 states that no extra V5.2-specific conformance tests are required. For a buyer or tester, this means the implementation is checked against the referenced interface standards rather than against a new, separate physical-layer test list.
• Access Network support is the use case. The scope ties the part to V5.2 support for an Access Network with concentration capability. That matters when planning equipment tests for AN-side interface arrangements.
• The series is split by layer and side. The foreword shows that other parts cover network-layer and data-link-layer topics for both the AN side and the LE side. Teams working beyond the physical layer need the matching part of the series.

What terms does SIST ETS 300 347-9:1997 define?

SIST ETS 300 347-9:1997 defines the abbreviations used in the document and relies on a few recurring test terms.

• Access Network (AN) - the network connected to the Local Exchange that the V5.2 interface supports.
• Local Exchange (LE) - the digital exchange side of the V5.2 interface.
• Abstract Test Suite (ATS) - the structured set of test cases used to check conformance in a repeatable way.
• Tree and Tabular Combined Notation (TTCN) - the notation used to write the Abstract Test Suite.
• Protocol Implementation eXtra Information for Testing (PIXIT) - implementation-specific information needed to apply the tests correctly.
• V5.2 interface - the V interface covered by this standard series for support of the Access Network.

Who uses SIST ETS 300 347-9:1997?

SIST ETS 300 347-9:1997 is used by equipment manufacturers, test laboratories, and engineers working on V5.2 interface implementations. Quality managers and buyers can also use it when they need a clear physical-layer test reference for Access Network support.

It is relevant in telecommunications development, acceptance testing, and conformance verification. The standard helps teams agree on what to test for the LE-AN physical interface and which external ETS documents define the test basis.

Which standards are used with SIST ETS 300 347-9:1997?

The foreword also names the companion parts of ETS 300 347, which together cover the V5.2 interface specification, PICS proforma, TSS&TP, ATS and partial PIXIT for the network layer, data link layer, and the physical layer.

What does the SIST ETS 300 347-9:1997 document contain?

The document is a short test specification with a foreword, four clauses and a history section. Its practical content is concentrated in the conformance-testing rule that ties the V5.2 physical layer to ETS 300 166 and ETS 300 167, and to the interface requirements in ETS 300 347-1.

For readers, that means the document is mainly a coordination and test-basis standard rather than a long catalogue of new test cases. It tells implementers where the physical-layer test boundary is, which external standards to use, and how this part fits into the wider V5.2 series.