{"product_id":"finisar-fclf8521p2btl-1000base-t-copper-sfp-transceiver","title":"Finisar FCLF8521P2BTL 1000BASE-T Copper SFP Transceiver","description":"\u003cdiv\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003eThis is an original Finisar Gen2 SFP copper transceiver, model \u003cstrong\u003eFCLF8521P2BTL\u003c\/strong\u003e, designed for 1000BASE-T Gigabit Ethernet over twisted-pair copper cabling up to 100 meters.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003eKey Specifications\u003cbr\u003e\u003cbr\u003e\n\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth align=\"left\"\u003eItem\u003c\/th\u003e\n\u003cth align=\"left\"\u003eParameter\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eBrand\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eFinisar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003ePart Number\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eFCLF8521P2BTL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eForm Factor\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eSFP (Copper)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eStandard\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e1000BASE-T (Gigabit Ethernet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eConnector Type\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eRJ-45\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eMax Reach\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e100 m over Cat5e\/6 UTP copper cable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eAuto-Negotiation\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eSupports 10\/100\/1000 Mbps speeds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eCondition\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eFactory New Sealed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eWarranty\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e3 Years\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eUnit Price\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eUSD 30.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003eCore Features\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e✅ \u003cstrong\u003eGigabit Copper Connectivity\u003c\/strong\u003e: Converts SFP ports to standard RJ-45 Ethernet ports, eliminating the need for fiber cabling in short-reach applications.\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n✅ \u003cstrong\u003eMulti-Speed Support\u003c\/strong\u003e: Auto-negotiates between 10\/100\/1000Mbps speeds for compatibility with various network devices.\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n✅ \u003cstrong\u003eGen2 Design\u003c\/strong\u003e: Improved power efficiency and thermal performance compared to earlier generations.\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n✅ \u003cstrong\u003eStandard Compliance\u003c\/strong\u003e: Fully compliant with IEEE 802.3ab 1000BASE-T specifications.\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n✅ \u003cstrong\u003eWide Compatibility\u003c\/strong\u003e: Works with most major brand switches, routers, and firewalls that support 1000BASE-T SFPs.\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n✅ \u003cstrong\u003eRobust Build\u003c\/strong\u003e: Finisar’s OEM-grade reliability with a 3-year warranty.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003eApplication Scenarios\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003eNetwork switches\/routers with SFP ports requiring copper Gigabit connections\u003c\/li\u003e\n\u003cli\u003eShort-reach connections (≤100m) using existing Cat5e\/Cat6 cabling\u003c\/li\u003e\n\u003cli\u003eData center top-of-rack switches connecting to servers\u003c\/li\u003e\n\u003cli\u003eEnterprise networks where fiber is not required or available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Finisar","offers":[{"title":"Default Title","offer_id":50524056387724,"sku":"FCLF8521P2BTL","price":196.0,"currency_code":"CNY","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0771\/2410\/8428\/files\/898d673eccbfed5973af541ec0dc01f4.png?v=1780994188","url":"https:\/\/www.qsfp40g.com\/products\/finisar-fclf8521p2btl-1000base-t-copper-sfp-transceiver","provider":"QSFP40G","version":"1.0","type":"link"}