{"product_id":"hp-procurve-j4858c-x121-1000base-sx-sfp-transceiver-module-j4858c","title":"HP ProCurve J4858C X121 1000BASE-SX SFP Transceiver Module J4858C","description":"\u003ch3 data-section-id=\"nq8ynu\" data-start=\"42\" data-end=\"60\"\u003eDescription:\u003c\/h3\u003e\n\u003cp data-start=\"61\" data-end=\"506\"\u003eThe\u003ca href=\"https:\/\/plgautomation.com\/collections\/hp\"\u003e HP \u003c\/a\u003eProCurve J4858C (X121) is a 1000BASE-SX SFP transceiver module designed for Gigabit Ethernet fiber connectivity on HP\/Aruba \u003ca href=\"https:\/\/plgautomation.com\/collections\/networking-communication\"\u003enetworking\u003c\/a\u003e equipment. It provides high-speed data transmission over multimode fiber using an LC duplex connector. Commonly used in enterprise networks, switches, and routers, it enables reliable short-range fiber links for data center and industrial networking applications. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 data-section-id=\"plkbhx\" data-start=\"508\" data-end=\"527\"\u003eApplications:\u003c\/h3\u003e\n\u003cp data-start=\"529\" data-end=\"819\"\u003eThe HP ProCurve J4858C SFP module is used in networking systems requiring high-speed fiber connectivity. Typical applications include enterprise switches, data centers, industrial networks, and server connections where reliable Gigabit communication over short distances is critical to network performance.\u003c\/p\u003e\n\u003ch3 data-section-id=\"5hg6bl\" data-start=\"821\" data-end=\"850\"\u003eTechnical Specifications:\u003c\/h3\u003e\n\u003cp data-start=\"852\" data-end=\"1963\"\u003e• Manufacturer Part Number (MPN): J4858C\u003cbr data-start=\"892\" data-end=\"895\"\u003e• Product Type: SFP Transceiver Module (Mini-GBIC)\u003cbr data-start=\"945\" data-end=\"948\"\u003e• Series: HP ProCurve \/ Aruba X121\u003cbr data-start=\"982\" data-end=\"985\"\u003e• Data Rate: 1 Gbps (Gigabit Ethernet) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1061\" data-end=\"1064\"\u003e• Standard: 1000BASE-SX\u003cbr data-start=\"1087\" data-end=\"1090\"\u003e• Wavelength: 850 nm \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1148\" data-end=\"1151\"\u003e• Fiber Type: Multimode fiber (MMF) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1224\" data-end=\"1227\" data-is-only-node=\"\"\u003e• Max Distance:\u003cbr data-start=\"1242\" data-end=\"1245\"\u003e• Up to 550 m (50\/125 µm MMF) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1314\" data-end=\"1317\"\u003e• Up to 220 m (62.5\/125 µm MMF) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1388\" data-end=\"1391\"\u003e• Connector Type: Duplex LC \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1456\" data-end=\"1459\"\u003e• Transmission Mode: Full duplex \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1529\" data-end=\"1532\"\u003e• Power Consumption: ~1 W \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1595\" data-end=\"1598\"\u003e• Operating Temperature: 0°C to 70°C (commercial) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1687\" data-end=\"1690\"\u003e• Form Factor: Hot-pluggable SFP (Mini-GBIC) \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1774\" data-end=\"1777\"\u003e• Compatibility: HP ProCurve \/ Aruba switches and networking equipment \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003cbr data-start=\"1887\" data-end=\"1890\"\u003e• Status: End of Sale (EOS), widely available as replacement\/compatible\u003c\/p\u003e\n\u003ch3 data-section-id=\"1ln9bp8\" data-start=\"1965\" data-end=\"1991\"\u003eCommon Replacements:\u003c\/h3\u003e\n\u003cp data-start=\"1992\" data-end=\"2114\"\u003e• HP \u003ca href=\"https:\/\/plgautomation.com\/products\/hp-aruba-j4858d-1000base-sx-sfp-transceiver-module-j4858d?_pos=1\u0026amp;_sid=0c6fb7606\u0026amp;_ss=r\"\u003eJ4858D\u003c\/a\u003e (newer Aruba equivalent)\u003cbr data-start=\"2028\" data-end=\"2031\"\u003e• HP JL745A (TAA-compliant SX SFP)\u003cbr data-start=\"2065\" data-end=\"2068\"\u003e• Generic\/compatible 1000BASE-SX SFP modules\u003c\/p\u003e","brand":"HP","offers":[{"title":"New","offer_id":50558479401262,"sku":"New","price":52.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/1_380505cf-54bb-4426-94c4-3abdfd174d38.webp?v=1770145751","url":"https:\/\/plgautomation.com\/products\/hp-procurve-j4858c-x121-1000base-sx-sfp-transceiver-module-j4858c","provider":"PLG Automation ","version":"1.0","type":"link"}