Cisco SFP-25G-ER-S Compatible 25GBASE-ER SFP28 1310nm 40km DOM Transceiver Module. Used in data centers, base stations, metro networks, local area networks, storage networks, fibre channels, fiber-to-the-home and wireless networks.

Hot-swappable SFP28 package/dual LC interface
Support for 300m transmission distance
Optional/metal housing package for digital diagnostics reduces electromagnetic interference
Follow the SFP28 MSA Protocol
SDH/SONET transport standards
SFF-8431 compliant
3.3V Single Power Supply
Low power consumption
Digital diagnostic monitoring: internal or external calibration

Cisco Compatible SFP-25G-ER-SVendor Name Huihongfiber
Form Type SFP28Data Rate 25Gbps
Wavelength 1310nmMax Cable Distance 40km
Connector LC duplexTransmitter Type DML 1310nm
Cable Type SMFDOM Support Yes
TX Power -6~4.5dBmReceiver Sensitivity <-17dBm
Protocols MSA CompliantCommercial Temperature Range 0 to 70°C (32 to 158°F)