400G QSFP-DD LR4 10km LC Optical Transceiver‌ The ‌400G QSFP-DD LR4‌ transceiver is a high-performance optical module designed for long-distance 400 Gigabit Ethernet applications. It leverages ‌PAM4 modulation‌ and ‌CWDM lasers‌ to achieve ‌10km transmission‌ over single-mode fiber (SMF), complying with ‌IEEE 802.3bs‌ and ‌QSFP-DD MSA‌ standards. Featuring ‌dual LC connectors‌ with a ‌12W max power‌ consumption, ensuring energy-efficient operation in data center interconnects and metro networks. Applications:‌ Data center interconnects‌ between remote sites. 5G fronthaul/midhaul‌ networks requiring high-bandwidth, low-latency links. Enterprise and cloud service provider‌ infrastructures scaling to 400G. RoHS compliant‌ and engineered for future-proof networking, this transceiver enables seamless migration to next-generation 400G architectures. Compliant with 100G Lambda MSA: 400GBASE-LR4-10 optical interface Compliant with IEEE 802.3bs standard: 400GAUI-8 electrical interface Compliant with QSFP-DD MSA HW Rev 5.1 type 2 housing with duplex LC connector Compliant with QSFP-DD CMIS Rev 4.0 Operating distance at engineering link of up to 10km Maximum power consumption 10 W Case operating temperature 0°C to 70°C Two wire serial Interface with digital diagnostic monitoring Complies with EU Directive 2011/65/EU(RoHS compliant) Class 1 Laser 200G QSFP56 SR4 100M 400G QSFP-DD SR8 100M 400G QSFP-DD DR4 2KM 400G QSFP-DD LR4 10KM 400G OSFP SR8 100M 200G 400G 400G 400G 400G 100M 100M 2KM 10KM 100M 850nm 850nm 1310nm CWDM 850nm MPO MPO MPO LC MPO MM MM SM SM MM DDM DDM DDM DDM DDM COM: 0°C ~70°C COM: 0°C ~70°C COM: 0°C ~70°C COM: 0°C ~70°C COM: 0°C ~70°C