The US Transceivers compatible QSFP-40G-LRL4 is a 40GBASE-LRL4 QSFP+ transceiver module designed as a drop-in replacement for Arista network equipment. Operating over single-mode fiber using four parallel lanes at 1310 nm, this module delivers 40 Gbps aggregate throughput and supports link distances up to 1 km, making it well suited for medium-reach data center and enterprise deployments.
Built in the compact QSFP+ form factor, the US Transceivers compatible QSFP-40G-LRL4 uses an MPO/MTP connector interface to support its parallel lane architecture. It includes Digital Diagnostics Monitoring (DDM/DOM) for real-time visibility into optical performance parameters such as temperature, voltage, bias current, and optical power levels.
This module is TAA compliant and manufactured to meet IEEE 802.3 and QSFP+ MSA standards, ensuring broad compatibility with Arista switches and routers. It provides a cost-effective, fully tested alternative for 40G infrastructure buildouts requiring reliable single-mode fiber connectivity.
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