{"id":118011,"date":"2026-09-09T03:07:58","date_gmt":"2026-09-09T03:07:58","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/ftl-8519-3d-dd-finisar-tx-rx-optical-fiber-1250mbps\/"},"modified":"2026-09-09T03:07:59","modified_gmt":"2026-09-09T03:07:59","slug":"ftl-8519-3d-dd-finisar-tx-rx-optical-fiber-1250mbps","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/ftl-8519-3d-dd-finisar-tx-rx-optical-fiber-1250mbps\/","title":{"rendered":"FTL-8519-3D-DD Finisar TX\/RX Optical Fiber 1250Mbps"},"content":{"rendered":"

FTL-8519-3D-DD Technical Specifications<\/p>\n

TX\/RX Optical Fiber 1250Mbps<\/p>\n

Manufacturer: Finisar<\/p>\n

Up to 1.25Gb\/s bi-directional data links Fast Ethernet<\/p>\n

850nm VCSEL Laser Transmitter<\/p>\n

Optional Digital Diagnostics Functions<\/p>\n

Extended Operating Temperature Range (-10\u00b0C to +85\u00b0C)<\/p>\n

Compatible with 3.3V & 5V Systems<\/p>\n

Mounting Type: GBIC<\/p>\n","protected":false},"excerpt":{"rendered":"

FTL-8519-3D-DD Overview<\/p>\n

FTL-8519-3D 850nm GBIC transceivers comply with GBIC Specification Revision 5.5. They are compatible with the Gigabit Ethernet as specified in IEEE Standard 802.3, Fibre Channel FC-PH, PH2, PH3 and FC-PI-2<\/p>\n","protected":false},"featured_media":118012,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[452],"product_cat":[409,288],"product_tag":[337,418,296],"class_list":["post-118011","product","type-product","status-publish","has-post-thumbnail","product_brand-finisar","product_cat-finisar-transceivers","product_cat-transceivers","product_tag-fast-ethernet","product_tag-gbic-transceivers","product_tag-transceiver","first","instock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"\nFTL-8519-3D-DD Finisar TX\/RX Optical Fiber 1250Mbps - Geek Tech Sol<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"http:\/\/geektechsol.com\/index.php\/product\/ftl-8519-3d-dd-finisar-tx-rx-optical-fiber-1250mbps\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"FTL-8519-3D-DD Finisar TX\/RX Optical Fiber 1250Mbps - Geek Tech Sol\" \/>\n<meta property=\"og:description\" content=\"FTL-8519-3D-DD Overview FTL-8519-3D 850nm GBIC transceivers comply with GBIC Specification Revision 5.5. They are compatible with the Gigabit Ethernet as specified in IEEE Standard 802.3, Fibre Channel FC-PH, PH2, PH3 and FC-PI-2\" \/>\n<meta property=\"og:url\" content=\"http:\/\/geektechsol.com\/index.php\/product\/ftl-8519-3d-dd-finisar-tx-rx-optical-fiber-1250mbps\/\" \/>\n<meta property=\"og:site_name\" content=\"Geek Tech Sol\" \/>\n<meta property=\"article:modified_time\" content=\"2026-09-09T03:07:59+00:00\" \/>\n<meta property=\"og:image\" content=\"http:\/\/geektechsol.com\/wp-content\/uploads\/2026\/09\/Finisar_FTL-8519-3D-DD.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"800\" \/>\n\t<meta property=\"og:image:height\" content=\"800\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/ftl-8519-3d-dd-finisar-tx-rx-optical-fiber-1250mbps\\\/\",\"url\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/ftl-8519-3d-dd-finisar-tx-rx-optical-fiber-1250mbps\\\/\",\"name\":\"FTL-8519-3D-DD Finisar TX\\\/RX Optical Fiber 1250Mbps - Geek Tech Sol\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/geektechsol.com\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/ftl-8519-3d-dd-finisar-tx-rx-optical-fiber-1250mbps\\\/#primaryimage\"},\"image\":{\"@id\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/ftl-8519-3d-dd-finisar-tx-rx-optical-fiber-1250mbps\\\/#primaryimage\"},\"thumbnailUrl\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Finisar_FTL-8519-3D-DD.jpg\",\"datePublished\":\"2026-09-09T03:07:58+00:00\",\"dateModified\":\"2026-09-09T03:07:59+00:00\",\"breadcrumb\":{\"@id\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/ftl-8519-3d-dd-finisar-tx-rx-optical-fiber-1250mbps\\\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/ftl-8519-3d-dd-finisar-tx-rx-optical-fiber-1250mbps\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/ftl-8519-3d-dd-finisar-tx-rx-optical-fiber-1250mbps\\\/#primaryimage\",\"url\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Finisar_FTL-8519-3D-DD.jpg\",\"contentUrl\":\"http:\\\/\\\/geektechsol.com\\\/wp-content\\\/uploads\\\/2026\\\/09\\\/Finisar_FTL-8519-3D-DD.jpg\",\"width\":800,\"height\":800},{\"@type\":\"BreadcrumbList\",\"@id\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/product\\\/ftl-8519-3d-dd-finisar-tx-rx-optical-fiber-1250mbps\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"http:\\\/\\\/geektechsol.com\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Shop\",\"item\":\"http:\\\/\\\/geektechsol.com\\\/index.php\\\/shop\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"FTL-8519-3D-DD Finisar TX\\\/RX Optical Fiber 1250Mbps\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/geektechsol.com\\\/#website\",\"url\":\"https:\\\/\\\/geektechsol.com\\\/\",\"name\":\"Geek Tech Sol\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/geektechsol.com\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"FTL-8519-3D-DD Finisar TX\/RX Optical Fiber 1250Mbps - Geek Tech Sol","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"http:\/\/geektechsol.com\/index.php\/product\/ftl-8519-3d-dd-finisar-tx-rx-optical-fiber-1250mbps\/","og_locale":"en_US","og_type":"article","og_title":"FTL-8519-3D-DD Finisar TX\/RX Optical Fiber 1250Mbps - Geek Tech Sol","og_description":"FTL-8519-3D-DD Overview FTL-8519-3D 850nm GBIC transceivers comply with GBIC Specification Revision 5.5. 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