{"product_id":"cisco-glc-sx-mm-refurbished","title":"Cisco GLC-SX-MM 1000BASE-SX SFP Transceiver Module Multimode Fiber Refurbished","description":"\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0892\/2431\/5249\/files\/Default-Product-Image.jpg?v=1780992596\" alt=\"Cisco GLC-SX-MM SFP Transceiver\" width=\"200px\" style=\"display:block;margin-bottom:16px;\"\u003e\n\n\u003ch1\u003eCisco GLC-SX-MM 1000BASE-SX SFP Transceiver Module – Multimode Fiber\u003c\/h1\u003e\n\n\u003ch2\u003eTested to factory specification. Backed by 25 years of enterprise trust.\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eCisco GLC-SX-MM\u003c\/strong\u003e (MPN: \u003cstrong\u003eGLC-SX-MM\u003c\/strong\u003e) is a \u003cstrong\u003e1000BASE-SX Small Form-Factor Pluggable (SFP) transceiver\u003c\/strong\u003e designed for Gigabit Ethernet applications over multimode fiber. Operating at 850nm, this module supports link lengths of up to 550 meters on 50\/125µm multimode fiber and up to 275 meters on 62.5\/125µm multimode fiber — making it an ideal choice for high-speed, short-range data center and enterprise network connections.\u003c\/p\u003e\n\n\u003cp\u003eThis unit is offered in \u003cstrong\u003eRefurbished\u003c\/strong\u003e condition. Every WhaleyComm refurbished optic is thoroughly inspected, cleaned, and tested to original Cisco factory specifications before shipment. You get enterprise-grade performance at a fraction of the cost of new.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Highlights\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVendor:\u003c\/strong\u003e Cisco\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMPN:\u003c\/strong\u003e GLC-SX-MM\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Optics \/ SFP Transceiver\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eInterface:\u003c\/strong\u003e 1000BASE-SX Gigabit Ethernet\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWavelength:\u003c\/strong\u003e 850nm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFiber Type:\u003c\/strong\u003e Multimode Fiber (MMF)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMax Range:\u003c\/strong\u003e Up to 550m (50\/125µm MMF) \/ 275m (62.5\/125µm MMF)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnector:\u003c\/strong\u003e LC Duplex\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForm Factor:\u003c\/strong\u003e SFP\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Refurbished – Tested to Factory Specification\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible with:\u003c\/strong\u003e Cisco Catalyst switches, Cisco routers, and other Cisco platforms supporting GLC-SX-MM\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Buy Refurbished from WhaleyComm?\u003c\/h2\u003e\n\u003cp\u003eWhaleyComm has been a trusted source of enterprise networking equipment for over \u003cstrong\u003e25 years\u003c\/strong\u003e, serving \u003cstrong\u003e5,000+ customers\u003c\/strong\u003e worldwide. Our refurbished units undergo rigorous multi-point inspection and functional testing to ensure they perform exactly as Cisco intended — right out of the box.\u003c\/p\u003e\n\n\u003ch2\u003eLifetime Warranty\u003c\/h2\u003e\n\u003cp\u003eEvery WhaleyComm unit ships with a \u003cstrong\u003eLifetime Warranty — No Time Limits. No Questions.\u003c\/strong\u003e If your GLC-SX-MM fails under normal operating conditions at any point, we replace it. Simple as that. This is our commitment to you and the reason thousands of network engineers and IT professionals trust WhaleyComm.\u003c\/p\u003e\n\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShipping:\u003c\/strong\u003e Orders ship within \u003cstrong\u003e1–2 business days\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReturns:\u003c\/strong\u003e Contact our support team for any DOA (Dead on Arrival) or warranty-related issues. We make it easy.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eIdeal Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eData center interconnects and top-of-rack switching\u003c\/li\u003e\n  \u003cli\u003eEnterprise LAN backbone uplinks\u003c\/li\u003e\n  \u003cli\u003eCampus network Gigabit fiber connections\u003c\/li\u003e\n  \u003cli\u003eReplacement or expansion of existing Cisco SFP slots\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cem\u003eLooking for a reliable, cost-effective Cisco-compatible SFP transceiver? The refurbished Cisco GLC-SX-MM from WhaleyComm delivers proven Gigabit performance, backed by a lifetime warranty and decades of enterprise expertise.\u003c\/em\u003e\u003c\/p\u003e","brand":"Cisco","offers":[{"title":"Refurbished","offer_id":63895263871345,"sku":"GLC-SX-MM","price":6.5,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0892\/2431\/5249\/files\/Default-Product-Image_c034041d-f81a-443c-bbbf-d2b44b2d7323.jpg?v=1781170307","url":"https:\/\/www.whaleycomm.com\/products\/cisco-glc-sx-mm-refurbished","provider":"Whaley Comm","version":"1.0","type":"link"}