Finisar FWLF1625P2Lxx Small Form Factor Pluggable CWDM ZX SFP transceivers are compatible with the Small Form Factor Pluggable Multi-Sourcing Agreement (MSA) SFP ZX Optical Transceivers is designed for operation in Metro Acess Rings and Point-to-Point networks using Fibre Channel, Gigabit Ethernet, or SONET networking equipment by selecting the appropriate line rate. The FWLF1625P2yxx is available in eight different CWDM wavelengths. 1550NM CWDM ZX SFP optical transceiver is compliant per the RoHS Directive 2011/65/EU. See Finisar Application Note AN-2038 for more details.