{"id":1246,"date":"2026-10-16T09:02:00","date_gmt":"2026-10-16T09:02:00","guid":{"rendered":"https:\/\/www.fenxifiber.com\/plc-splitter-lot-acceptance\/"},"modified":"2026-10-02T10:00:48","modified_gmt":"2026-10-02T10:00:48","slug":"plc-splitter-lot-acceptance","status":"publish","type":"post","link":"https:\/\/www.fenxifiber.com\/de\/plc-splitter-lot-acceptance\/","title":{"rendered":"PLC Splitter Uniformity Directivity and PDL in Lot Acceptance"},"content":{"rendered":"

Uniformity, directivity and polarization-dependent loss describe different behaviours and must not be replaced by a single insertion-loss value. Lot acceptance should define the method, wavelengths, sample plan and disposition rule before shipment.<\/strong><\/p>\n

Uniformity compares output-port loss spread; directivity concerns unwanted coupling in the reverse direction; PDL describes loss variation with polarization. Values depend on the stated configuration and method. Buyers should request raw port-level data and a product-specific specification rather than transferring limits from an unrelated package or split ratio.<\/p>\n

\"Planar<\/figure>\n

What Must Be Decided for PLC splitter uniformity directivity PDL?<\/h2>\n

Verwenden Sie die Entscheidungstabelle, um das Thema in kontrollierte Eingaben f\u00fcr Einkauf, Konstruktion und Abnahme umzuwandeln. Jede Zeile sollte anhand der tats\u00e4chlichen Ausr\u00fcstung, der Route und der Zielvorgaben \u00fcberpr\u00fcft werden, anstatt aus einem allgemeinen Katalog kopiert zu werden.<\/p>\n\n\n\n\n\n\n\n\n\n
Entscheidungsbereich<\/th>\nWas ist anzugeben?<\/th>\nWarum das wichtig ist<\/th>\nAufzubewahrende Unterlagen<\/th>\n<\/tr>\n<\/thead>\n
Parameter definition<\/td>\nFormula, direction and units<\/td>\nPrevents inconsistent reports<\/td>\nControlled specification<\/td>\n<\/tr>\n
Wellenl\u00e4ngen<\/td>\nExact test wavelengths and condition<\/td>\nResults vary by wavelength<\/td>\nTest plan<\/td>\n<\/tr>\n
Port coverage<\/td>\nEvery output or approved sample<\/td>\nFinds weak channels<\/td>\nRaw port data<\/td>\n<\/tr>\n
Stichproben<\/td>\nLot, level and switching rule<\/td>\nControls inspection risk<\/td>\nSampling instruction<\/td>\n<\/tr>\n
Traceability<\/td>\nDevice, lot, instrument and date<\/td>\nSupports investigations<\/td>\nSerialized record<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

How to Control PLC splitter uniformity directivity PDL in the Project<\/h2>\n

Die folgenden Steuerelemente verkn\u00fcpfen die Zeichnung, das Muster, die Produktionscharge und das Installationsergebnis miteinander. Sie sind bewusst praxisorientiert gestaltet: Jedes einzelne erzeugt einen Datensatz, den die Teams aus den Bereichen Beschaffung, Technik und Au\u00dfendienst sp\u00e4ter einsehen k\u00f6nnen.<\/p>\n

Keep parameters separate<\/h3>\n

Report insertion loss by port, calculate uniformity from the defined set, and record directivity and PDL under their specified methods. A pass label without the underlying fields is not auditable.<\/p>\n

Freeze methods before results<\/h3>\n

Agree wavelengths, launch, connectors, reference procedure and environmental condition in the purchase specification. Do not change a method after viewing a difficult lot.<\/p>\n

Use a declared sampling plan<\/h3>\n

Choose the sample size and acceptance rule from the relevant inspection system and contract. AQL is a process for lot disposition, not a promise that every untested unit meets the limit.<\/p>\n

Investigate patterns<\/h3>\n

Look for repeated weak port positions, package lots or connector types. Pattern review can find assembly or mapping problems that a simple pass count misses.<\/p>\n

\"Connectorized<\/figure>\n

Abnahme- und \u00dcbergabekontrollen<\/h2>\n

Legen Sie die Vorgehensweise und die weitere Vorgehensweise vor Beginn der Tests fest. Ein Ergebnis ohne festgelegten Verantwortlichen f\u00fcr die Dokumentation oder ohne festgelegte Ma\u00dfnahmen im Fehlerfall l\u00e4sst sich bei der Freigabe f\u00fcr den Versand oder bei der Inbetriebnahme nur schwer nutzen.<\/p>\n\n\n\n\n\n\n\n\n\n
Siehe<\/th>\nVerfahren<\/th>\nDatensatz<\/th>\nMa\u00dfnahme bei Ausfall<\/th>\n<\/tr>\n<\/thead>\n
Verfahren<\/td>\nCompare procedure to specification<\/td>\nSigned setup<\/td>\nRetest with correct method<\/td>\n<\/tr>\n
Port data<\/td>\nReview every required channel<\/td>\nRaw table<\/td>\nQuarantine missing data<\/td>\n<\/tr>\n
Calculations<\/td>\nRecalculate uniformity and summaries<\/td>\nQA worksheet<\/td>\nCorrect report<\/td>\n<\/tr>\n
Stichproben<\/td>\nVerify lot and sample identities<\/td>\nSampling record<\/td>\nResample only by rule<\/td>\n<\/tr>\n
Disposition<\/td>\nRecord accept, reject or concession<\/td>\nDecision log<\/td>\nContain rejected lot<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\"PLC<\/figure>\n

Standards und Belege zur Untermauerung der Bestellung<\/h2>\n

Corning listet Komponenten-, Modul- und Rack-Formate auf und gibt an, dass sein PLC-Splitter-Sortiment die GR-1209\/1221-Zertifizierung erf\u00fcllt. Siehe Referenz zur Qualifizierung von Splittern von Corning PLC<\/a>.<\/p>\n

The 2026 edition defines AQL-indexed lot-by-lot attribute-sampling schemes and switching rules. See ISO 2859-1:2026 AQL sampling standard<\/a>.<\/p>\n

ISO 28590 gives guidance on selecting an inspection system from the ISO 2859 family. See ISO 28590 acceptance-sampling overview<\/a>.<\/p>\n

Acceptance checklist<\/h2>\n

A useful splitter certificate connects defined parameters to raw port data, equipment, sample identity and a pre-agreed lot decision. Keep all of those records under the same part revision.<\/p>\n