Juniper Networks®QFX-QSFP-40G-ESR4 Compatible 40GBase-SR QSFP+ Transceiver (MMF, 850nm, 400m, MPO, DOM). A 100% Juniper Networks® QSFP+ transceiver that operates at 850nm over multi-mode fiber, with a maximum reach of 400m connected via a MPO connector. This Juniper Networks® compatible QSFP+ transceiver has been programmed, uniquely serialized, and data-traffic and application tested to ensure it is 100% compliant and functional. Our QSFP+ transceiver will initialize and perform identically to Juniper Networks' transceiver and is built to meet or exceed Juniper Networks' specifications, and comply with MSA (Multi-Source Agreement) standards. The actual part shipped may have a different part number, but will be functionally identical and 100% compatible. Trade Agreements Act (TAA) versions of this part are available.