The US Transceivers compatible QDD-400G-FR4-S is a 400GBASE-FR4 QSFP-DD optical transceiver designed for high-density, high-speed network deployments. Operating over single-mode fiber, this module supports an aggregate data rate of 400Gbps across four wavelengths using LAN-WDM technology, with center wavelengths spanning 1309.14nm to 1321.26nm (LWDM lanes). It is engineered for reaches up to 2km, making it well suited for intra-data-center and campus interconnect scenarios.
The US Transceivers compatible QDD-400G-FR4-S uses a duplex LC connector interface and delivers full Digital Diagnostic Monitoring (DDM) support, enabling real-time visibility into temperature, voltage, TX power, and RX power. This module is TAA compliant and meets RoHS, CE, and REACH regulatory standards, ensuring compatibility with government and enterprise procurement requirements.
Designed as a drop-in compatible replacement, this transceiver integrates seamlessly into Cisco-based network infrastructures without requiring firmware or configuration changes, reducing deployment complexity and total cost of ownership.
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