The US Transceivers compatible QDD-400G-LR4 is a high-performance 400GBASE-LR4 QSFP-DD optical transceiver engineered for long-reach data center and enterprise network deployments. Operating at 400Gbps aggregate data rate, this module uses four wavelengths in the 1295nm to 1310nm CWDM range, each carrying 100Gbps, to deliver reliable transmission over single-mode fiber at distances up to 10km.
Housed in the compact QSFP-DD form factor, this transceiver features an LC Duplex connector interface and leverages EML transmitter technology for stable, low-power optical output across varying conditions. Digital Diagnostic Monitoring (DDM) provides real-time visibility into key performance parameters including temperature, voltage, TX power, and RX power.
The US Transceivers compatible QDD-400G-LR4 meets TAA compliance requirements and is fully interoperable with equipment designed for the QDD-400G-LR4 specification, making it an ideal cost-effective alternative for long-reach 400G connectivity.
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