The Nokia 3HE15211AA is a high-performance 400GBASE-SR8 QSFPDD optical transceiver designed for efficient data transmission over multimode fiber (MMF). Operating at an 850nm wavelength and utilizing PAM4 modulation, it achieves a transmission range of up to 100 meters. This transceiver supports 8x 50G-SR configurations, making it versatile for various networking applications, particularly in data center environments. It features an MPO-16/APC connector and incorporates Digital Optical Monitoring (DOM) for real-time performance tracking and diagnostics. The 3HE15211AA is engineered to provide reliable, scalable connectivity, ensuring optimal performance for advanced Ethernet networks and high-bandwidth applications in modern computing infrastructures...