{"product_id":"siemens-6gk5991-4ac00-8aa0-mm991-4ld-media-module","title":"Siemens 6GK5991-4AC00-8AA0 SCALANCE X MM991-4LD 4x 100 Mbit\/s BFOC Single-Mode 26 km Media Module","description":"\u003cp\u003eThe Siemens 6GK5991-4AC00-8AA0 (MM991-4LD) is a SCALANCE X media module that adds four 100 Mbit\/s BFOC optical ports for single-mode fiber. Each port covers a link of up to 26 km at 1310 nm, letting one media module fan a switch out to four long single-mode runs. It operates from 0 to 60 degrees C, weighs 0.3 kg, and latches into the media module slot.\u003c\/p\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003e6GK5991-4AC00-8AA0\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\u003eMM991-4LD (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\u003e4019169233224\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, single-mode\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, 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-3 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReceiver Sensitivity (Min)\u003c\/td\u003e\n\u003ctd\u003e-34 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\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\u003e0.46 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\u003e115.89 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\u003e105.69 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 LD single-mode optics on the MM991-4LD push each of its four ports to 26 km, more than five times the 5 km reach of the multimode MM991-4 in the same family, so it is the module to specify when the switch cabinet is far from its neighbors rather than on the same plant floor. Because all four ports sit on one card, use it when four separate single-mode runs need to originate from a single switch slot; for a single long-haul link plus spare port budget on other slots, an individual single-mode SFP is the more flexible option. The identical mechanical footprint to the multimode MM991-4 means either can occupy the same media module slot without changing the switch configuration otherwise.\u003c\/p\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":53959812284699,"sku":"6GK5991-4AC00-8AA0","price":2028.11,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7722\/4475\/files\/siemens-6gk5991-4ac00-8aa0-mm991-4ld-media-module.png?v=1789825719","url":"https:\/\/stoklink.com\/products\/siemens-6gk5991-4ac00-8aa0-mm991-4ld-media-module","provider":"Stoklink","version":"1.0","type":"link"}