{"product_id":"siemens-6gk5991-1af00-8ga0-sfp991-1ld-a-transceiver","title":"Siemens 6GK5991-1AF00-8GA0 SCALANCE X SFP991-1LD A 100 Mbit\/s LC Single-Mode 26 km SFP Transceiver Module","description":"\u003cp\u003eThe Siemens 6GK5991-1AF00-8GA0 (SFP991-1LD A) is an active plug-in SFP transceiver for the SCALANCE X media module slot, adding one 100 Mbit\/s optical LC port. It runs single-mode fiber and covers a range of up to 26 km at 1310 nm on the 100BASE-LX link. Operating temperature extends to -40...+95 degrees C, and IP20 latched mounting keeps installation straightforward inside the switch housing.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003e6GK5991-1AF00-8GA0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSiemens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eSCALANCE X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type Designation\u003c\/td\u003e\n\u003ctd\u003eSFP991-1LD A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEAN\u003c\/td\u003e\n\u003ctd\u003e4047622859636\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Interfaces\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e100 Mbit\/s LC Ports\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Interface Design\u003c\/td\u003e\n\u003ctd\u003eLC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1310 nm, single-mode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Output Power\u003c\/td\u003e\n\u003ctd\u003e-15 to -8 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReceiver Input Power (Max)\u003c\/td\u003e\n\u003ctd\u003e-8 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReceiver Sensitivity (Min)\u003c\/td\u003e\n\u003ctd\u003e-31 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Link Attenuation\u003c\/td\u003e\n\u003ctd\u003e0 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Range\u003c\/td\u003e\n\u003ctd\u003e0-26 km\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Method\u003c\/td\u003e\n\u003ctd\u003e100BASE-LX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Temperature (Operation)\u003c\/td\u003e\n\u003ctd\u003e-40 to +95 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Temperature (Storage)\u003c\/td\u003e\n\u003ctd\u003e-40 to +95 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Temperature (Transport)\u003c\/td\u003e\n\u003ctd\u003e-40 to +95 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature Note\u003c\/td\u003e\n\u003ctd\u003e+95 deg C max permissible for up to 16 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity (Max, 25 deg C)\u003c\/td\u003e\n\u003ctd\u003e95 percent, no condensation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection Class\u003c\/td\u003e\n\u003ctd\u003eIP20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDesign\u003c\/td\u003e\n\u003ctd\u003eSFP Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (W x H x D)\u003c\/td\u003e\n\u003ctd\u003e14 x 9 x 57 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight (Module)\u003c\/td\u003e\n\u003ctd\u003e0.01 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight (Packaged)\u003c\/td\u003e\n\u003ctd\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFastening Method\u003c\/td\u003e\n\u003ctd\u003eLatched\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eTaiwan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMTBF\u003c\/td\u003e\n\u003ctd\u003e370 years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHazardous Zone Standard\u003c\/td\u003e\n\u003ctd\u003eEN 60079-0:2006, EN 60079-15:2005, II 3 G Ex nA II T4, KEMA 07 ATEX 0145 X\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Standard (CSA\/UL)\u003c\/td\u003e\n\u003ctd\u003eUL 62368-1, CAN\/CSA C22.2 No. 62368-1:19\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmitted Interference Standard\u003c\/td\u003e\n\u003ctd\u003eEN 61000-6-4:2007 Class A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterference Immunity Standard\u003c\/td\u003e\n\u003ctd\u003eEN 61000-6-2:2005\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlobal Warming Potential (Total)\u003c\/td\u003e\n\u003ctd\u003e32.31 kg CO2 eq\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlobal Warming Potential (Manufacturing)\u003c\/td\u003e\n\u003ctd\u003e2.2 kg CO2 eq\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlobal Warming Potential (Operation)\u003c\/td\u003e\n\u003ctd\u003e30.1 kg CO2 eq\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlobal Warming Potential (End of Life)\u003c\/td\u003e\n\u003ctd\u003e0.01 kg CO2 eq\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\u003eEPD\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSelection Notes\u003c\/h2\u003e\u003cp\u003eThe A suffix on the SFP991-1LD A marks Siemens' extended-temperature build: -40 to +95 degrees C operation, with a 16-hour rating at the top end, versus the -40 to +85 degrees C spec on the standard SCALANCE X media modules, making it the choice for switches in unheated cabinets or direct sun exposure. Its single-mode link reaches up to 26 km, far beyond the 5 km limit of the multimode ST\/BFOC media module in this series, so it is the transceiver to specify whenever the fiber run between two SCALANCE X switches exceeds multimode distance limits. Pick a standard-temperature single-mode SFP instead when the installation stays inside a climate-controlled cabinet, since the optical budget is the same at a lower net weight.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":53959461437723,"sku":"6GK5991-1AF00-8GA0","price":378.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7722\/4475\/files\/siemens-6gk5991-1af00-8ga0-sfp991-1ld-a-sfp-transceiver.png?v=1789825706","url":"https:\/\/stoklink.com\/products\/siemens-6gk5991-1af00-8ga0-sfp991-1ld-a-transceiver","provider":"Stoklink","version":"1.0","type":"link"}