{"id":25883,"date":"2026-09-08T02:56:55","date_gmt":"2026-09-08T02:56:55","guid":{"rendered":"https:\/\/geektechsol.com\/index.php\/product\/740-045627-juniper-networks-40gb-s-40gbase-esr-optical-transceiver\/"},"modified":"2026-09-08T02:57:06","modified_gmt":"2026-09-08T02:57:06","slug":"740-045627-juniper-networks-40gb-s-40gbase-esr-optical-transceiver","status":"publish","type":"product","link":"http:\/\/geektechsol.com\/index.php\/product\/740-045627-juniper-networks-40gb-s-40gbase-esr-optical-transceiver\/","title":{"rendered":"740-045627 Juniper Networks 40Gb\/s 40GBase-ESR Optical Transceiver"},"content":{"rendered":"<p>740-045627 Technical Specifications<\/p>\n<p>Juniper 40Gb\/s 40GBase-ESR4 Multi Mode Fiber 850nm 300m MPO-12 QSFP+ Optical Transceiver<\/p>\n<p>Manufacturer: Juniper Networks<\/p>\n<p>Manufacture Part Number: 740-045627<\/p>\n<p>Type: QSFP+ Optical Transceiver Module<\/p>\n<p>Data Rate: 40Gbps<\/p>\n<p>Standard: 40GBase-ESR4 (Extended Short Range)<\/p>\n<p>Fiber Type: Multi-Mode Fiber (MMF)<\/p>\n<p>Wavelength: 850nm<\/p>\n<p>Maximum Distance: Up to 300m over OM3\/OM4 MMF<\/p>\n<p>Connector Type: MPO-12 (Multi-Fiber Push-On, 12 fibers)<\/p>\n<p>Form Factor: Hot-pluggable QSFP+<\/p>\n<p>Channels: 4 parallel full-duplex lanes (10Gbps per lane)<\/p>\n<p>Power Consumption: Low power design (typically <3.5W)\n\nProtocol Support: 40GbE (Ethernet), InfiniBand QDR\n\nCompliance: IEEE 802.3ba, MSA, RoHS\n<\/p>\n","protected":false},"excerpt":{"rendered":"<p>740-045627 Overview<\/p>\n<p>The Juniper Networks 740-045627 40GBase-ESR4 QSFP+ transceiver is designed for short-to-medium range high-speed data transmission in data centers and enterprise networks. Operating at 850nm, it uses parallel 4-lane optical transmission over MPO-12 multi-mode fiber to achieve 40Gbps connectivity with a reach of up to 300 meters. Its extended short reach capability makes it ideal for high-density deployments where distances exceed typical SR4 modules but do not require costly long-range optics. The hot-pluggable QSFP+ form factor ensures easy installation, scalability, and compatibility with Juniper switches and routers, making it a reliable choice for modern data center interconnects and backbone aggregation.<\/p>\n","protected":false},"featured_media":25884,"comment_status":"closed","ping_status":"open","template":"","meta":{"_acf_changed":false},"product_brand":[3773],"product_cat":[4211,288],"product_tag":[4267,4268,4262,4269],"class_list":["post-25883","product","type-product","status-publish","has-post-thumbnail","product_brand-juniper-networks","product_cat-juniper-transceivers-transceivers","product_cat-transceivers","product_tag-extended-short-range","product_tag-full-duplex-lanes","product_tag-hot-pluggable-qsfp","product_tag-optical-transceiver-module","first","instock","shipping-taxable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>740-045627 Juniper Networks 40Gb\/s 40GBase-ESR Optical Transceiver - 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\/740-045627-juniper-networks-40gb-s-40gbase-esr-optical-transceiver\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"740-045627 Juniper Networks 40Gb\/s 40GBase-ESR Optical Transceiver - Geek Tech Sol\" \/>\n<meta property=\"og:description\" content=\"740-045627 Overview The Juniper Networks 740-045627 40GBase-ESR4 QSFP+ transceiver is designed for short-to-medium range high-speed data transmission in data centers and enterprise networks. Operating at 850nm, it uses parallel 4-lane optical transmission over MPO-12 multi-mode fiber to achieve 40Gbps connectivity with a reach of up to 300 meters. Its extended short reach capability makes it ideal for high-density deployments where distances exceed typical SR4 modules but do not require costly long-range optics. 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