The Cisco QSFP-100G-LR4-S Compatible 100GBASE-LR4 QSFP28 Optical Transceiver Module is designed to deliver high-performance and reliable data transmission over long distances. Operating at a wavelength of 1310nm, this module supports a maximum reach of up to 10 kilometers, making it ideal for enterprise networks, data centers, and telecommunications applications that require robust and efficient connectivity. Its compatibility with the QSFP28 standard ensures seamless integration with existing Cisco infrastructure, providing a cost-effective solution for network upgrades and expansions. Equipped with Duplex LC/UPC connectors and utilizing single-mode fiber (SMF, this transceiver module offers superior signal integrity and low insertion loss. The Digital Optical Monitoring (DOM feature allows real-time monitoring of parameters such as optical power, temperature, and voltage, enhancing network management and reducing downtime. Engineered to meet stringent industry standards, the Cisco QSFP-100G-LR4-S module combines durability and precision, ensuring consistent performance in demanding environments. This transceiver is an optimal choice for organizations seeking reliable, high-speed optical communication with extended reach and advanced monitoring capabilities.