Description Cisco C57 DWDM-SFP25G-31.90 Compatible is a 25GBASE-DW10 SFP28 transceiver operating on DWDM Channel 57 for 10km single-mode reaches. It features duplex LC connectors and is engineered for dense wavelength-division multiplexing in Cisco networking platforms. This module provides an efficient path for ultra-high bandwidth expansion in existing fiber plants.
