MSA Compliant 40GBase-PLR4 QSFP+ Transceiver (SMF, 1310nm, 10km, MPO, DOM). A 100% MSA Compliant QSFP+ transceiver that operates at 1310nm over single-mode fiber, with a maximum reach of 10km connected via a MPO connector. This MSA Compliant QSFP+ transceiver is 100% compliant with its designed networking application. This QSFP+ transceiver is built 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.