Description Cisco SFP-25G-ER-S Compatible is a 25GBASE-ERL SFP28 transceiver reaching 30km on single-mode fiber at 1310nm. It features duplex LC connectivity and DOM support, optimized for Cisco's 25G extended-reach networking hardware. This transceiver is designed to provide high-availability 25GbE throughput for campus and metro fiber applications.
