{"title":"Vorlauffasern","description":"\u003cp\u003eUm bei der Fehlersuche und Zertifizierung von Glasfasernetzen (LWL) exakte Ergebnisse zu erzielen, ist der Einsatz hochwertiger Vorlauffasern unerlässlich. In dieser Kategorie bieten wir ihnen eine spezialisierte Auswahl an Vorlauffasern des renommierten Herstellers Fibernet in unterschiedlichen Längen und Steckerkombinationen.\u003c\/p\u003e","products":[{"product_id":"futura-vorlauffaser-fuer-otdrs","title":"Fibernet Vorlauffaser Singlemode G.652","description":"\u003cp\u003eVorlauffasern sind ein absolutes Muss bei der Ausführung von OTDR-Messungen. Die Verwendung von hochpräzisen Vorlauffasern und Nachlauffasern ist in der IEC Norm empfohlen und damit Voraussetzung für jede sachgemäße und aussagekräftige OTDR Messung.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eEigenschaften Futura Vorlauffaser\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHochwertige Faser in durchdachtem Gehäuse\u003c\/li\u003e\n\u003cli\u003eTragetasche mit Clip\u003c\/li\u003e\n\u003cli\u003eKompaktes und stabiles ABS und Aluminium Gehäuse\u003c\/li\u003e\n\u003cli\u003ePraktischer Schnappverschluss mit schonender Gummilippe\u003c\/li\u003e\n\u003cli\u003eEinschraubbarer Magnet für verbesserten Halt\u003c\/li\u003e\n\u003cli\u003eRückflussdämpfung: UPC \u0026lt; −50 dB \/ APC \u0026lt; −60 dB\u003c\/li\u003e\n\u003cli\u003eEinfügedämpfung: \u0026lt; 0,25 dB\u003c\/li\u003e\n\u003cli\u003eSinglemodefaser G.652\u003c\/li\u003e\n\u003cli\u003eGeringes Gewicht von 400 g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\n\u003cbr\u003eWas ist der Unterschied zwischen einer Vorlauffaser und einer Nachlauffaser?\u003c\/h3\u003e\n\u003cp\u003eGrundsätzlich gibt es keinen Unterschied. Es handelt sich um ein und dasselbe Produkt. Die unterschiedliche Namensgebung nimmt nur Bezug auf die Positionierung in der Messstrecke. Eine Vorlauffaser wird zwischen das OTDR und die eigentliche Messstrecke gesetzt. Eine Nachlauffaser hingegen an das Ende der Messstrecke angeschlossen.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eWofür wird eine Vorlauffaser verwendet?\u003c\/h3\u003e\n\u003cp\u003eEine Vorlauffaser erfüllt mehrere Zwecke. Zuerst einmal überwindet sie die Totzone des OTDRs. Zum anderen reduziert sie die Steckzyklen am empfindlichen Messeingang des OTDRs. Bei mehreren Messungen muss immer nur die eines Vorlauffasern an die neue Strecke gesteckt werden und nicht das OTDR. Das schont den hochsensiblen Messeingang und spart gleichzeitig Kosten, da der Messeingang typischerweise alle 1.000 Steckzyklen überprüft werden sollte.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eWelche Länge sollte meine Vorlauffaser haben?\u003c\/h3\u003e\n\u003cp\u003eDas kommt ganz auf die Länge der zu vermessenden Strecke an und damit der am OTDR gewählten Pulsbreite. Grundsätzlich kann man sagen, dass mit zunehmender Streckenlänge auch längere Messfasern benötigt werden. Typische Längen sind für Singlemodestrecken 500 m oder 1.000 m und für Multimodestrecken ca. 100 m. Je nach Anwendungszweck machen aber auch kleinere oder größere Strecken Sinn.\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eWelche Steckerenden sollte ich für meine Vorlauffaser wählen?\u003c\/h3\u003e\n\u003cp\u003eGrundsätzlich kann jede Vorlauffaser mit jedem beliebigen Steckertypen ausgestattet werden. Dabei stehen aktuell LC\/PC, LC\/APC, SC\/PC, SC\/APC, FC\/PC standardmäßig zur Verfügung. Andere Stecker können natürlich auf Anfrage konfektioniert werden. Grundsätzlich sollte eines der beiden Enden immer den Anschlusstypen des OTDRs haben – also bei einem SC\/APC Messeingang auch mindestens einen SC\/APC Stecker. Der zweite Stecker kann beliebig gewählt werden. Hier macht es Sinn verschiedene Typen zu nehmen, damit möglichst viele verschiedene Strecken vermessen werden können.\u003c\/p\u003e","brand":"Fibernet S.r.l.","offers":[{"title":"150 m \/ SC\/APC \/ SC\/APC","offer_id":49341447438672,"sku":"17134-SASA-150","price":280.0,"currency_code":"EUR","in_stock":true},{"title":"150 m \/ SC\/APC \/ SC\/UPC","offer_id":49341447471440,"sku":"17134-SASU-150","price":280.0,"currency_code":"EUR","in_stock":true},{"title":"150 m \/ SC\/UPC \/ SC\/APC","offer_id":49341447504208,"sku":"17134-SASU-150","price":280.0,"currency_code":"EUR","in_stock":true},{"title":"500 m \/ SC\/APC \/ SC\/APC","offer_id":49341447536976,"sku":"17134-SASA-500","price":285.0,"currency_code":"EUR","in_stock":true},{"title":"150 m \/ SC\/APC \/ LC\/APC","offer_id":49341447569744,"sku":"17134-LASA-150","price":280.0,"currency_code":"EUR","in_stock":true},{"title":"150 m \/ LC\/APC \/ 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