The US Transceivers compatible QDD-400G-SRBD is a 400GBASE-SR4.2 QSFP-DD transceiver designed for high-density, short-reach multimode fiber deployments. Operating over OM4 multimode fiber, this module supports 400G aggregate data rates using eight electrical lanes and four optical lanes in a bidirectional configuration, with wavelengths of 850 nm and 900 nm. It delivers a maximum reach of 100 meters over OM4 fiber, making it well suited for intra-data-center connectivity.
Built in the compact QSFP-DD form factor, this module uses an LC Duplex connector consistent with its BiDi SR4.2 optical design. It supports Digital Diagnostic Monitoring (DDM) for real-time visibility into temperature, voltage, TX power, RX power, and bias current. This TAA compliant module meets RoHS, CE, and REACH requirements.
The US Transceivers compatible QDD-400G-SRBD is a cost-effective, fully tested alternative engineered to deliver reliable performance in demanding 400G network environments including data center switching, spine-leaf architectures, and high-performance computing interconnects.
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