This ZyXEL SFP-100LX-20 compatible SFP transceiver provides 100Base-LX throughput up to 20km over single-mode fiber (SMF) at a wavelength of 1310nm using a LC connector. It is guaranteed to be 100% compatible with the equivalent ZyXEL transceiver. This easy to install, hot swappable transceiver has been programmed, uniquely serialized and data-traffic and application tested to ensure that it will initialize and perform identically. It is built to meet or exceed the specifications of ZyXEL, as well as to comply with MSA (Multi-Source Agreement) standards to ensure seamless network integration. All of the transceivers are Trade Agreements Act (TAA) compliant.