The Extreme Networks 100G-ER4LT-QSFP40KM is a specialized 100 Gigabit Ethernet QSFP transceiver module designed for extended reach applications requiring transmission distances up to 40 kilometers over single-mode fiber. Leveraging the ER4LT standard, this module supports four optical lanes that aggregate to deliver high-speed 100G connectivity with excellent signal integrity and minimal latency. It is engineered for use in enterprise backbones, carrier networks, and data centers where long-distance, high-bandwidth connections are critical. Fully compliant with IEEE specifications, the module offers hot-swappable capability, enabling easy installation and replacement without interrupting network service.
Its low power consumption design improves energy efficiency and reduces heat dissipation, which is vital for dense network environments. The compact QSFP form factor maximizes port density on switches and routers, optimizing rack space utilization. Built to deliver consistent, reliable performance in demanding scenarios, the 100G-ER4LT-QSFP40KM is ideal for organizations seeking to enhance network reach and capacity while maintaining robust and scalable infrastructure.