{"product_id":"nokia-3he08021aa-sfm-b-switch-fabric-7950-xrs-20","title":"Nokia 3HE08021AA SFM-B Switch Fabric Module | 7950 XRS-20","description":"\u003cdiv style=\"font-family:Arial,Helvetica,sans-serif;line-height:1.7;color:#222;max-width:980px;margin:0 auto;\"\u003e\n\u003ch2 style=\"color:#0b1220;border-left:6px solid #59AD35;padding-left:14px;margin:10px 0 24px 0;\"\u003eNokia (Alcatel-Lucent) 3HE08021AA SFM-B Switch Fabric Module for 7950 XRS-20\u003c\/h2\u003e\n\u003cp\u003e3HE08021AA is the SFM‑B (Switch Fabric Module X20 B) for the Nokia 7950 XRS‑20 core router chassis. It provides high-speed non-blocking switching fabric to interconnect all XCM carrier boards and XMA\/C-XMA daughter cards inside the chassis, delivering full cross-band forwarding capacity for high-density core routing deployments.\u003c\/p\u003e\n\u003ch3 style=\"margin-top:30px;margin-bottom:16px;font-size:18px;color:#0b1220;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0 0 24px 0;\"\u003e\n\u003cli\u003ePart Number: 3HE08021AA (SFM‑B \/ SFM X20 B)\u003c\/li\u003e\n\u003cli\u003eHigh-speed non-blocking switching fabric for 7950 XRS‑20 router chassis\u003c\/li\u003e\n\u003cli\u003eInterconnects all XCM carriers and XMA \/ C-XMA interface modules\u003c\/li\u003e\n\u003cli\u003eHot-swappable for in-service replacement and fabric redundancy\u003c\/li\u003e\n\u003cli\u003eSupports high-density interface configurations (required for 40-port 10GE XMA cards)\u003c\/li\u003e\n\u003cli\u003eDeployable in redundant fabric groups to maximize system uptime\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin-top:30px;margin-bottom:16px;font-size:18px;color:#0b1220;\"\u003ePlatform Compatibility\u003c\/h3\u003e\n\u003cp\u003eExclusively designed for Nokia 7950 XRS‑20 core router chassis. This SFM X20 B variant is required to operate high-density 40-port 10GE SFP+ XMA daughter cards; older standard SFM X20 modules do not support these high-density line cards.\u003c\/p\u003e\n\u003ch3 style=\"margin-top:30px;margin-bottom:16px;font-size:18px;color:#0b1220;\"\u003eOur Stock Advantage\u003c\/h3\u003e\n\u003cp\u003eOriginal tested Nokia 3HE08021AA SFM‑B fabric modules in stock. Full functional testing before shipment, ideal for chassis upgrade, spare replacement and network expansion projects worldwide.\u003c\/p\u003e\n\u003cdiv style=\"background:#f4f9f0;border-left:6px solid #59AD35;padding:16px 20px;margin-top:32px;\"\u003e\n\u003cp style=\"margin:0;font-weight:600;color:#0b1220;\"\u003eNeed quotation or technical verification?\u003c\/p\u003e\n\u003cp style=\"margin:6px 0 0 0;\"\u003eSend us your BOM list, we offer fast pricing, part verification and global shipping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"overflow-x: auto; margin: 20px 0;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-family: Arial, Helvetica, sans-serif; font-size: 14px; min-width: 600px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: rgb(89, 173, 53); color: rgb(255, 255, 255);\"\u003e\n\u003cth style=\"border: 1px solid rgb(221, 221, 221); padding: 10px 12px; text-align: left;\"\u003ePlatform\u003c\/th\u003e\n\u003cth style=\"border: 1px solid rgb(221, 221, 221); padding: 10px 12px; text-align: left;\"\u003eCard ID \/ Type\u003c\/th\u003e\n\u003cth style=\"border: 1px solid rgb(221, 221, 221); padding: 10px 12px; text-align: left;\"\u003ePart Number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003c!-- 控制与交换板卡 --\u003e\n\u003ctr\u003e\n\u003ctd\u003e7950 XRS\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eXCM-X\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Consolas, monospace;\"\u003e3HE07147AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7950 XRS\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eCPM-X20\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Consolas, monospace;\"\u003e3HE07116AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7950 XRS\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eXMA-20\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Consolas, monospace;\"\u003e3HE04836AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7950 XRS\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eXMA-40\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Consolas, monospace;\"\u003e3HE05504AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7950 XRS\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eXMA-100\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Consolas, monospace;\"\u003e3HE06796AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7950 XRS\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eXSA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Consolas, monospace;\"\u003e3HE04835AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7950 XRS\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eXSA-X\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Consolas, monospace;\"\u003e3HE07148AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7950 XRS\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eXFA-12\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Consolas, monospace;\"\u003e3HE06151AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7950 XRS\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eXFA-48\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Consolas, monospace;\"\u003e3HE06152AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7950 XRS\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eXFA-10G-SFP+\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Consolas, monospace;\"\u003e3HE06153AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7950 XRS\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eXPA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Consolas, monospace;\"\u003e3HE04837AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c!-- 机箱、风扇与电源 --\u003e\n\u003ctr\u003e\n\u003ctd\u003e7950 XRS\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eXRS Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Consolas, monospace;\"\u003e3HE04833AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7950 XRS\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eXRS-FAB\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Consolas, monospace;\"\u003e3HE04839AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7950 XRS\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eXFM-FAN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Consolas, monospace;\"\u003e3HE04838AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7950 XRS\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eXFM-FAN2\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Consolas, monospace;\"\u003e3HE07149AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7950 XRS\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eXPS-3000\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Consolas, monospace;\"\u003e3HE07411AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c!-- 光模块 (Transceivers) --\u003e\n\u003ctr\u003e\n\u003ctd\u003e7950 XRS\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e100GBASE-LR4 CFP\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Consolas, monospace;\"\u003e3HE05935AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7950 XRS\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e40G QSFP+ SR4\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Consolas, monospace;\"\u003e3HE05881AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7950 XRS\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e40G QSFP+ LR4\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Consolas, monospace;\"\u003e3HE05882AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7950 XRS\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e10G SFP+ LR\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Consolas, monospace;\"\u003e3HE00028AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e7950 XRS\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSFP 1G LX\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"font-family: Consolas, monospace;\"\u003e3HE00017AA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Skyward Telecom","offers":[{"title":"Default Title","offer_id":53374072783146,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0699\/4948\/9450\/files\/3HE08021AA_3.jpg?v=1793259336","url":"https:\/\/skyward-telecom.com\/de\/products\/nokia-3he08021aa-sfm-b-switch-fabric-7950-xrs-20","provider":"Skyward Telecom","version":"1.0","type":"link"}