The US Transceivers compatible QSFP-40G-ER4 is a high-performance 40GBASE-ER4 QSFP+ optical transceiver module designed for extended-reach single-mode fiber applications. Operating over four CWDM lanes with center wavelengths of 1271, 1291, 1311, and 1331 nm, this module delivers an aggregate data rate of 40 Gbps and supports link distances of up to 40 km over SMF using an LC Duplex connector interface.
Built to meet IEEE 802.3ba 40GBASE-ER4 and QSFP+ MSA standards, the US Transceivers compatible QSFP-40G-ER4 is fully compliant with TAA, RoHS, CE, and REACH requirements, making it suitable for government and enterprise procurement. Digital Diagnostic Monitoring (DDM/DOM) provides real-time visibility into key optical parameters for simplified network management and troubleshooting.
This module is ideal for data center interconnect, enterprise core networking, metro access deployments, and campus backbone infrastructure where reliable, long-reach 40G connectivity is essential. It is designed as a plug-and-play compatible replacement for the QSFP-40G-ER4.
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