{"product_id":"54-21503-02","title":"HP 54-21503-02 FDDIC Controller CTS EISA Board For Alphaserver 1000A HP Part Number: 54-21503-02","description":"\u003cp\u003eThe HP 54-21503-02 is an FDDIC (Fiber Distributed Data Interface) Controller board designed for the AlphaServer 1000A workstation. This EISA-bus expansion card provides high-speed fiber network connectivity, supporting FDDI's 100 Mbps throughput over fiber-optic cabling for environments requiring distance and EMI isolation. Compatible with AlphaServer 1000A systems, the controller integrates with the EISA architecture common to early-to-mid 1990s enterprise Alpha platforms. Typical applications include legacy network infrastructure, scientific computing clusters, and long-distance LAN connectivity where fiber advantages over copper were essential. Part number 54-21503-02 confirms genuine HP compatibility and legacy certification.\u003c\/p\u003e\u003cp\u003eTested and guaranteed working; available via quote.\u003c\/p\u003e","brand":"HP","offers":[{"title":"Refurbished","offer_id":52760888312021,"sku":"54-21503-02","price":140.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0697\/4930\/9653\/files\/raid-controllers-gen_iwha174f7rsxo6hr_4d563c61-85b1-4b47-bc8d-d7089aa668b4.webp?v=1764908883","url":"https:\/\/g5networkgroup.com\/products\/54-21503-02","provider":"G5 Network Group","version":"1.0","type":"link"}