This Cisco XENPAK-10GB-SR compatible XENPAK transceiver provides 10 G Base-SR throughput up to 300m over multi-mode Fibre (MMF) at a wavelength of 850nm using a SC connector. Our transceiver is guaranteed to be 100% compatible with the equivalent Cisco transceiver. This easy to install, hot swappable transceiver has been programmed, uniquely serialized & data-traffic & application tested to ensure that it will initialize & perform identically. It is built to meet or exceed the specifications of Cisco, as well as to comply with multi-source agreement (MSA) standards to ensure seamless network integration.