{"product_id":"addon-qdd-400g-lr4-400gbase-lr4-qsfp-dd-transceiver","title":"AddOn QDD-400G-LR4 400GBase-LR4 QSFP-DD Transceiver","description":"\u003cdiv class=\"product-content\"\u003e\n\u003csection class=\"product-intro\"\u003e\u003ch1\u003eAddOn QDD-400G-LR4 400GBase-LR4 QSFP-DD Transceiver\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eAddOn QDD-400G-LR4 QSFP-DD transceiver\u003c\/strong\u003e is engineered for organizations requiring high-performance, long-reach 400G optical connectivity. This \u003cstrong\u003e400GBase-LR4 module\u003c\/strong\u003e delivers 400 gigabits per second throughput over single-mode fiber (SMF) at distances up to 10km, making it ideal for data center interconnects, campus networks, and enterprise backbone deployments. Built as a 100% compatible alternative to Arista Networks® QDD-400G-LR4-AR, this TAA-compliant transceiver integrates seamlessly into existing infrastructure while providing superior cost efficiency. With integrated digital optical monitoring (DOM), real-time performance visibility, and LC connector compatibility, the AddOn QDD-400G-LR4 ensures reliable, future-ready 400G networking.\u003c\/p\u003e\u003c\/section\u003e\u003csection class=\"key-features\"\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e400GBase-LR4 protocol support for 400 gigabit per second data rates\u003c\/li\u003e\n\u003cli\u003e10km transmission distance over single-mode fiber (SMF)\u003c\/li\u003e\n\u003cli\u003e1310nm wavelength optimized for long-reach optical links\u003c\/li\u003e\n\u003cli\u003eLC duplex connector for standard fiber infrastructure\u003c\/li\u003e\n\u003cli\u003eDigital optical monitoring (DOM) for real-time parameter access\u003c\/li\u003e\n\u003cli\u003e100% compatible with Arista Networks® QDD-400G-LR4-AR transceivers\u003c\/li\u003e\n\u003cli\u003eTAA compliant for government and enterprise procurement\u003c\/li\u003e\n\u003cli\u003eHot-pluggable QSFP-DD form factor for flexible deployment\u003c\/li\u003e\n\u003cli\u003eLow power consumption and extended operating temperature range\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/section\u003e\u003csection class=\"specifications\"\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"8\"\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eADD-ON\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart Number\u003c\/td\u003e\n\u003ctd\u003eQDD-400G-LR4-AR-AO\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocol\u003c\/td\u003e\n\u003ctd\u003e400GBase-LR4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eForm Factor\u003c\/td\u003e\n\u003ctd\u003eQSFP-DD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Rate\u003c\/td\u003e\n\u003ctd\u003e400 Gbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1310nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Distance\u003c\/td\u003e\n\u003ctd\u003e10km\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFiber Type\u003c\/td\u003e\n\u003ctd\u003eSingle-Mode Fiber (SMF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector Type\u003c\/td\u003e\n\u003ctd\u003eLC Duplex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDigital Optical Monitoring\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eTAA Compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible With\u003c\/td\u003e\n\u003ctd\u003eArista Networks® QDD-400G-LR4-AR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/section\u003e\u003csection class=\"faq\"\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eWhat is a 400GBase-LR4 QSFP-DD transceiver used for?\u003c\/h3\u003e\n\u003cp\u003eA \u003cstrong\u003e400GBase-LR4 QSFP-DD transceiver\u003c\/strong\u003e enables ultra-high-speed optical connectivity for data center networks, campus interconnects, and enterprise WAN links. The 10km reach over single-mode fiber makes it perfect for connecting buildings, data centers, or network nodes within metropolitan areas while maintaining 400 gigabit per second throughput.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eIs the AddOn QDD-400G-LR4 compatible with Arista equipment?\u003c\/h3\u003e\n\u003cp\u003eYes, the AddOn QDD-400G-LR4 is 100% compatible with Arista Networks® QDD-400G-LR4-AR transceivers. It functions identically in Arista switches and routers, providing the same performance and reliability at a lower cost.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eWhat does TAA compliance mean for this transceiver?\u003c\/h3\u003e\n\u003cp\u003eTAA (Trade Agreements Act) compliance ensures the AddOn QDD-400G-LR4 meets U.S. government procurement standards. This certification is essential for federal agencies, contractors, and organizations requiring compliant IT hardware for sensitive projects.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003ch3\u003eHow does digital optical monitoring benefit network operations?\u003c\/h3\u003e\n\u003cp\u003eDigital optical monitoring (DOM) on the AddOn QDD-400G-LR4 provides real-time access to critical operating parameters including optical power levels, temperature, and voltage. This enables proactive network management, faster troubleshooting, and predictive maintenance to prevent downtime.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e\n\u003c\/div\u003e","brand":"ADD-ON","offers":[{"title":"Default Title","offer_id":41734086754379,"sku":"QDD-400G-LR4-AR-AO","price":3709.0,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1824\/0789\/files\/1078753667.jpg?v=1784829410","url":"https:\/\/www.tecisoft.ca\/products\/addon-qdd-400g-lr4-400gbase-lr4-qsfp-dd-transceiver","provider":"TeciSoft","version":"1.0","type":"link"}