The Cisco QDD-400G-FR4-S is a high-performance 400GBASE-FR4 QSFPDD optical transceiver designed for reliable data transmission over single-mode fiber (SMF). Operating at a wavelength of 1310nm and utilizing PAM4 modulation, it supports a transmission distance of up to 2 kilometers, making it ideal for long-range networking applications. This versatile transceiver features Duplex LC/UPC connectors for secure and efficient connectivity. Additionally, it includes Digital Optical Monitoring (DOM) for real-time performance diagnostics and monitoring. The QDD-400G-FR4-S is engineered to provide scalable and efficient connectivity solutions, enhancing network performance for advanced Ethernet and high-bandwidth applications in modern data center environments.
