ONS-SC-2G-31.9= Cisco 2.5Gb/s OC-48/STM-16 DWDM Single-Mode Fibre 1531.90nm 80km Duplex LC Connector SFP Transceiver Module

The Cisco ONS‑SC‑2G‑31.9 is a high‑performance DWDM transceiver engineered for demanding optical networks, delivering reliable 2.5 Gb/s connectivity across single‑mode fiber and seamlessly integrating into OC‑48/STM‑16 infrastructures. With a robust 80 km reach and dual LC connectors, this module ensures efficient duplex communication and effortless installation. Its compact SFP form factor fits standard chassis, while the 1531.90 nm wavelength guarantees optimal signal integrity for long‑haul applications. Ideal for telecom operators, data centers, and service providers seeking scalable, low‑maintenance solutions, this transceiver supports future‑proof network expansion and delivers exceptional reliability in critical environments.