{"product_id":"siemens-6gk5991-1af00-8ac0-sfp991-1ld-transceiver","title":"Siemens 6GK5991-1AF00-8AC0 SCALANCE X SFP991-1LD 100Mbit\/s 26km Single-Mode SFP Transceiver Module","description":"\u003cp\u003eThe Siemens 6GK5991-1AF00-8AC0 is a SCALANCE X SFP991-1LD plug-in transceiver with a single 100 Mbit\/s single-mode LC optical port, supporting fiber runs up to 26 km using 100BASE-LX transmission at 1310 nm. It is IP20-rated for -40 to +85 degrees C operation, sold in packs of 10 units, and intended as a field-installable optic for SCALANCE X switch fiber ports.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSKU\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e6GK5991-1AF00-8AC0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSCALANCE X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type Designation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSFP991-1LD (pack of 10)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNumber of Optical Interfaces\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePort Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLC, single-mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWavelength\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1310 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmission Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100BASE-LX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRange, Max.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eup to 26 km\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTransmitter Output Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-15 to -8 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReceiver Sensitivity, Min.\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-28 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmbient Temperature, Operation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40 to +85 degrees C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtection Class\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions (WxHxD)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14 x 9 x 57 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNet Weight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.01 kg per unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFastening Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLatched, SFP slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMTBF\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e490 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePack Quantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10 units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eCertifications \u0026amp; Standards\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCE\u003c\/li\u003e\n\u003cli\u003eC-Tick\u003c\/li\u003e\n\u003cli\u003eBureau Veritas\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSelection Notes\u003c\/h2\u003e\u003cp\u003eThe 1310 nm single-mode optics and -8 to -15 dB transmitter output give this SFP a 26 km maximum range at 100 Mbit\/s over single-mode fiber - a multi-mode SFP variant is the better choice for shorter runs where fiber cost matters more than distance. Since it ships as a pack of 10, plan spares or replacements at that unit count rather than ordering single pieces. The -40 to +85 degrees C operating range, with +85 degrees C limited to 16-hour duration, covers outdoor or unheated-cabinet installations that a standard commercial-temperature SFP would not.\u003c\/p\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cp\u003eLong-distance fiber uplinks between SCALANCE X switches over single-mode fiber, connecting distributed Industrial Ethernet segments across a plant or site where copper or multi-mode fiber distance limits are exceeded.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":53959461306651,"sku":"6GK5991-1AF00-8AC0","price":2189.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7722\/4475\/files\/siemens-6gk5991-1af00-8ac0-scalance-x-sfp991-1ld.png?v=1789679089","url":"https:\/\/stoklink.com\/products\/siemens-6gk5991-1af00-8ac0-sfp991-1ld-transceiver","provider":"Stoklink","version":"1.0","type":"link"}