WSP-Q40GLR4L= Cisco 40Gbps 40GBase-LR4L Single-mode 2km QSFP+ Transceiver

The Cisco WSP-Q40GLR4L transceiver module enables high-bandwidth network connections over long distances. Built for single-mode fiber, it transmits data at 40 gigabits per second and is commonly used in data centers and enterprise networks that require fast and reliable fiber optic links.

Often found in scenarios where large volumes of data need to be moved across buildings or campuses, this module suits network engineers and IT professionals responsible for maintaining efficient infrastructure. Its QSFP+ interface makes it a practical choice for upgrading existing equipment without major overhauls.

Key Features

• Supports 40Gbps transmission speed over single-mode fiber
• Operates at 1310nm wavelength for stable long-range signal
• Compatible with QSFP+ ports for easy integration
• Duplex LC connectors for reliable optical connections
• Effective transmission distance of up to 2 kilometers

This transceiver is often deployed in enterprise backbone links or data center interconnects, helping maintain high-speed data flow with minimal latency. It plays a key role in environments where consistent performance and distance coverage are critical, such as campus networks and service provider setups.