StarTech.com LC Single Mode Fiber Transceiver Module, 40 Gbps, Full Duplex, 10 km, QSFP40GLR4S

The StarTech.com QSFP40GLR4S LC Single Mode Transceiver Module is engineered for demanding networking environments, providing robust 40 Gigabit Ethernet connectivity over single mode fiber cables. It is compatible with 40GBASE-LR4 standards and is ideal for use with Cisco switches and routers, ensuring seamless network expansion and reliable data transmission over long distances.

This transceiver module operates at a wavelength range from 1270 nm to 1330 nm, enabling high-speed data transfer rates of up to 40 Gbps. It supports a maximum reach of 10 kilometers, making it an excellent choice for enterprise backbones, data centers, and campus networks requiring extended fiber runs with minimal signal loss. The module’s full duplex support ensures simultaneous two-way data communication, improving network efficiency.

Featuring a hot-swappable QSFP+ form factor, the module can be installed or replaced without network interruptions, perfect for critical operational environments. The LC connector port provides a secure and standardized connection for single mode fiber cabling, while Digital Diagnostics Monitoring (DDM) allows IT operators to track system parameters such as temperature, voltage, and optical power for proactive network management.

In compliance with stringent RoHS, CE, FCC, and IEEE requirements, the QSFP40GLR4S ensures both environmental responsibility and network compatibility. Boasting a low power consumption of less than 2.5 Watts, it contributes to efficient energy use and reduced heat output in densely populated rack environments. With an impressive Mean Time Between Failures (MTBF) of over 1,489,426 hours, this module guarantees extended operational reliability.

This transceiver is 100% compatible with Cisco QSFP-40G-LR4-S, enabling organizations to expand or upgrade existing Cisco-based infrastructures quickly and dependably. It is particularly suited for scenarios where high-speed data needs to be delivered across long distances, such as linking distributed enterprise buildings, optimizing data center layouts, or connecting remote network segments to core infrastructure.

Upgrade or replace defective or obsolete SFP+ modules easily with this hot-swappable fiber-optic module, minimizing network downtime and enhancing growth flexibility.

Whether for mission-critical enterprise operations, research labs, or large-scale commercial complexes, the StarTech.com QSFP40GLR4S LC Single Mode 40 Gbps Fiber Transceiver is a trusted solution, providing fast, stable, and energy-efficient fiber optic networking. Explore more industrial-grade networking solutions by browsing the Ethernet Transceiver and Semiconductor categories and discover the reliability and quality offered by StarTech.com at EnvMart.