The Cisco SFP-10/25G-CSR-S compatible SFP28 transceiver provides 10/25GBase-CSR throughput up to 400m over multimode fiber (MMF) using a wavelength of 850nm via an LC duplex connector. This module provides 10G backward compatibility and simplifies network upgrade. It provides connectivity option for 25G Ethernet, 10G Ethernet and data center. It is fully compliant with the SFF-8472, SFF-8024, SFF-8431 and IEEE802.3by standard. Featuring low power consumption and high speed, this 25G transceiver is ideal for 25G Ethernet, Telecom, and Data Center.