{"product_id":"siemens-6gk5991-4ab00-8aa0-mm991-4-media-module","title":"Siemens 6GK5991-4AB00-8AA0 SCALANCE X MM991-4 4x 100 Mbit\/s BFOC Multimode 5 km Media Module","description":"\u003cp\u003eThe Siemens 6GK5991-4AB00-8AA0 (MM991-4) is a SCALANCE X media module that adds four 100 Mbit\/s BFOC\/ST optical ports for multimode fiber. Each port covers a link of up to 5 km at 1310 nm, giving a switch four independent fiber segments from one media module slot. It operates from 0 to 60 degrees C, weighs 0.3 kg, and mounts in the module bay with a latched connector.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003e6GK5991-4AB00-8AA0\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\u003eMM991-4 (BFOC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Description\u003c\/td\u003e\n\u003ctd\u003eXR-300 media module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEAN\u003c\/td\u003e\n\u003ctd\u003e4019169233217\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Interfaces\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e100 Mbit\/s ST(BFOC) Ports\u003c\/td\u003e\n\u003ctd\u003e4, multimode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Interface Design\u003c\/td\u003e\n\u003ctd\u003eST\/BFOC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1310 nm, multimode\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmitter Output Power\u003c\/td\u003e\n\u003ctd\u003e-19 to -14 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReceiver Input Power (Max)\u003c\/td\u003e\n\u003ctd\u003e-3 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReceiver Sensitivity (Min)\u003c\/td\u003e\n\u003ctd\u003e-32 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\u003e0-5 km\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Temperature (Operation)\u003c\/td\u003e\n\u003ctd\u003e0 to 60 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 +85 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 +85 deg C\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\u003eMedia module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (W x H x D)\u003c\/td\u003e\n\u003ctd\u003e120.3 x 22.3 x 275.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight (Module)\u003c\/td\u003e\n\u003ctd\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet Weight (Packaged)\u003c\/td\u003e\n\u003ctd\u003e0.463 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFastening Method\u003c\/td\u003e\n\u003ctd\u003eLatched, media module slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Standard (CSA\/UL)\u003c\/td\u003e\n\u003ctd\u003eUL 60950-1, CSA C22.2 No. 60950-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEmitted Interference Standard\u003c\/td\u003e\n\u003ctd\u003eEN 61000-6-4 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\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHazardous Zone Marking (CCC)\u003c\/td\u003e\n\u003ctd\u003eGB3836.1, GB3836.8, Ex nA IIC T4 Gc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlobal Warming Potential (Total)\u003c\/td\u003e\n\u003ctd\u003e141.62 kg CO2 eq\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlobal Warming Potential (Manufacturing)\u003c\/td\u003e\n\u003ctd\u003e10.1 kg CO2 eq\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGlobal Warming Potential (Operation)\u003c\/td\u003e\n\u003ctd\u003e131.42 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\u003e0.1 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\u003eKC\u003c\/li\u003e\n\u003cli\u003eBV\u003c\/li\u003e\n\u003cli\u003eEPD\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSelection Notes\u003c\/h2\u003e\u003cp\u003eThe MM991-4 carries four independent 100 Mbit\/s ST\/BFOC ports on one media module, so it fits SCALANCE X switches that need to fan out to four multimode fiber runs instead of one. At 5 km per port on 1310 nm multimode, it covers plant-floor distances between cabinets; for longer single-mode spans in the same 100 Mbit\/s family, the LC single-mode media module or SFP is the better choice, not this multimode module. Because all four ports share one card, a fault on the module affects all four links at once, which is a factor to weigh against using four single-port SFPs when link independence matters.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":53959811662107,"sku":"6GK5991-4AB00-8AA0","price":1215.03,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7722\/4475\/files\/siemens-6gk5991-4ab00-8aa0-mm991-4-media-module.png?v=1789825712","url":"https:\/\/stoklink.com\/products\/siemens-6gk5991-4ab00-8aa0-mm991-4-media-module","provider":"Stoklink","version":"1.0","type":"link"}