The QSFP28 100G LR4 transceiver is a compact, high-speed optical module designed for 100 Gigabit Ethernet over long distances. Operating over single-mode fiber (SMF), it can transmit data up to 10 kilometers using four WDM (Wavelength Division Multiplexing) channels, each at 25 Gbps. It complies with the IEEE 802.3ba 100GBASE-LR4 standard, using LAN-WDM wavelengths between 1295 nm and 1309 nm. The module’s duplex LC connector, low power consumption (typically under 4W), and compact QSFP28 form factor make it an efficient solution for upgrading network infrastructures while maintaining high port density and energy efficiency.
QSFP28 100G LR4 modules are widely used in data center interconnects, enterprise backbone networks, cloud computing platforms, and telecommunication systems. They offer significant advantages, including long-distance transmission without the need for signal amplification, high stability across 100G links, low operating costs due to reduced power consumption, and easy integration with existing network hardware. Thanks to their compliance with MSA and IEEE standards, they are compatible with a wide range of network equipment from various vendors, ensuring flexibility and future scalability.
When purchasing a QSFP28 100G LR4 transceiver, it’s important to ensure device compatibility, product quality, and vendor reliability. Look for modules that support Digital Diagnostics Monitoring (DDM) for real-time system health checks. Choosing a trusted supplier offering tested and certified transceivers with warranty support can help prevent future network disruptions. Investing in QSFP28 100G LR4 modules is a smart move for organizations aiming to future-proof their high-speed networks while maintaining operational efficiency over long distances.
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