This Cisco SFP-10G-ER compatible SFP+ transceiver provides 10 G Base-ER throughput up to 40km over single-mode Fibre (SMF) at a wavelength of 1550nm using a LC connector. Digital optical monitoring (DOM) support is also present to allow access to real-time operating parameters. 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.