Pair of high-performance 1.25G WDM SFP modules, Extralink SFP 1.25G is a cost-effective and high-performance single-mode SFP module that supports a data rate of 1.25 Gbps and offers a transmission range of up to 20 km. The DOM (DDM) technology allows users to monitor SFP parameters in real-time, such as optical output/input power, temperature, laser bias current, and supply voltage. Dedicated for HP/Aruba.