Description
The Cisco ONS-QC-16GFC-LW is a high-performance 16-Gigabit Fibre Channel longwave transceiver designed for use in optical networking environments requiring extended reach and reliable data transmission. Housed in a compact QSFP+ form factor, this module supports up to 10 kilometers of transmission over single-mode fiber, making it ideal for data centers, enterprise SANs, and metro area networks. It is engineered to deliver low-latency, high-bandwidth connectivity for storage networking applications. The unit is hot-swappable, allowing for easy installation and replacement without disrupting network operations.
Built to meet Cisco’s rigorous standards, the ONS-QC-16GFC-LW features a duplex LC connector interface and operates at a wavelength of 1310nm. It supports 16G Fibre Channel protocols and is backward-compatible with 8G and 4G Fibre Channel environments, offering flexibility in mixed-speed deployments. The module includes digital optical monitoring (DOM) capabilities, enabling real-time diagnostics such as temperature, voltage, and optical power levels. When purchasing used, buyers can expect a durable, enterprise-grade component that maintains compatibility with a wide range of Cisco networking platforms.

