StarTech SFP-25G-LR-S-C-ST Cisco Compatible SFP28 Transceiver 25GBASE LR
Overview
The StarTech SFP-25G-LR-S-C-ST is a Cisco-compatible fiber optic SFP28 transceiver module designed for high-performance 25 Gigabit Ethernet (25GbE) networking. This module is a direct replacement for the Cisco SFP-25G-LR-S-C, providing a reliable and cost-effective solution for high-speed backbone links, data center aggregation, and enterprise-level switch-to-switch connectivity.
Operating at a 1310nm wavelength, this transceiver is engineered for long-reach applications over single-mode fiber (SMF), supporting distances of up to 10 kilometers (6.2 miles). It utilizes the SFP28 form factor, which provides a significant bandwidth increase over standard 10G SFP+ while maintaining a compact physical footprint. The module is fully hot-swappable, ensuring that networking hardware—such as Cisco Catalyst or Nexus switches—remains operational during installation or replacement.
The SFP-25G-LR-S-C-ST features Digital Diagnostic Monitoring (DDM/DOM) support, allowing IT professionals to monitor real-time operating metrics including temperature, optical transmit power, and receive power levels. Built to meet or exceed OEM specifications and MSA (Multi-Source Agreement) standards, this transceiver ensures seamless integration and high-availability performance in modern 25GbE environments.
Key Features
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100% Cisco compatibility for seamless integration with SFP28-enabled hardware
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Supports 25Gbps throughput for high-demand enterprise and data center tasks
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1310nm single-mode fiber (SMF) support enables distances up to 10km
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Digital Diagnostic Monitoring (DDM) for proactive performance and health tracking
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Hot-swappable design facilitates hardware maintenance without network downtime
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