Description
The Ciena XCVR-040Y31 is a high-performance 40GBASE-LR4 QSFP+ transceiver designed for long-range data transmission over single-mode fiber. Engineered for compatibility with a variety of Ciena networking platforms, this module supports distances up to 10 kilometers, making it ideal for enterprise core, data center interconnect, and metro network applications. Its compact QSFP+ form factor ensures efficient space utilization in high-density environments, while the hot-swappable design allows for easy deployment and replacement without disrupting network operations. Built to meet rigorous industry standards, the XCVR-040Y31 delivers reliable and consistent performance.
This transceiver operates over four wavelengths on a single fiber pair using CWDM technology, with each channel carrying 10 Gbps for an aggregated 40 Gbps throughput. It features an LC duplex connector and complies with IEEE 802.3ba and QSFP+ MSA specifications for seamless interoperability. The unit is equipped with digital diagnostics monitoring (DDM) to provide real-time data on parameters such as temperature, voltage, and optical power levels. For those seeking dependable used network hardware, the Ciena XCVR-040Y31 offers a cost-effective solution without compromising on performance or quality.

