This Cisco[R] QSFP-40G-SR4-S compatible QSFP+ transceiver provides 40GBase-SR4 throughput up to 100m over multi-mode fibre (MMF) at a wavelength of 850nm using a MPO connector. It is guaranteed to be 100% compatible with the equivalent Cisco[R] transceiver. This easy to install, hot swappable transceiver has been programmed, uniquely serialised and data-traffic and application tested to ensure that it will initialise and perform identically. Digital optical monitoring (DOM) support is also present to allow access to real-time operating parameters. All Legrand transceivers are Trade Agreements Act (TAA) compliant.