Outstanding performance of the Cisco QSFP-40G-CSR-S-BO compatible 40GBASE-ESR4 QSFP transceiver with MPO/MTP connection according to MSA standards from the brand BlueOptics. The Cisco QSFP-40G-CSR-S-BO compatible 40GBASE-ESR4 MPO/MTP QSFP features a receiving function (receiver with 850 nm) and a transmitting function (transmitter with 850 nm) for the transmission of optical signals via multimode fiber, taking into account the respective transmission protocol. This transceiver is suitable for use in all common hardware platforms that officially support the original Cisco QSFP-40G-CSR-S-BO 40GBASE-ESR4 MPO/MTP QSFP. Each Cisco QSFP-40G-CSR-S-BO compatible 40GBASE-ESR4 MPO/MTP QSFP supports Ethernet, Fibre Channel over Ethernet, or SDH/SONET high-speed applications of up to 40 G per second. Compatibility and quality ensure 100% functionality.