The US Transceivers compatible PAN-QSFP28-100GBASE-ER4L is a high-performance 100G QSFP28 optical transceiver engineered for long-reach single-mode fiber deployments. Operating over four LAN WDM wavelengths in the 1295 nm to 1310 nm range, this module delivers 100 Gbps aggregate throughput with a maximum reach of 40 km, making it well suited for extended campus and metro interconnect scenarios.
Built to the 100GBASE-ER4 Lite specification, this transceiver uses an LC Duplex connector interface and supports Digital Diagnostic Monitoring (DDM/DOM) for real-time visibility into optical performance parameters including temperature, voltage, TX power, and RX power. The module is fully compliant with IEEE 802.3, QSFP28 MSA, RoHS, CE, REACH, and TAA requirements.
Designed as a drop-in compatible replacement for the PAN-QSFP28-100GBASE-ER4L, this US Transceivers module undergoes rigorous testing to ensure reliable interoperability and consistent optical performance across enterprise, data center, and service provider environments.

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