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The LightWave QSFP+ to SFP+ adapter, enables a smooth cost-effective connection between a single lane transceiver/cable and a quad lane port. The QSA provides the option to connect an SFP+/SFP transceiver or cable to a QSFP+ port of an Nx40GbE switch or network interface card (NIC).
The QSA adapter should be installed into the QSFP+ port of the switch or device, and is intended to either connect a switch QSFP+ port to a NIC SFP port or connect NIC QSFP+ port to a switch SFP port. For example, an SFP-based cable can be connected to a Mellanox's 40GbE ConnectX 3 NIC and to the 48 x 10Gbe SX1012 Ethernet switch.
The QSA adapter conforms to the SFF8418/8419 for the SFP side and to SFF-8436 for the OSFP+ standards and is thoroughly tested to meet strict quality requirements. The adapter has QSFP+ form factor with a receptacle for SFP+ transceiver/AOC/DAC connector. The QSA adapter provides a solution for integrating systems using different vendors equipment. The QSA interoperates with all major optical module and direct attach copper cable vendors.
It design ensures minimum loss on the conversion path between the QSFP+ cage and the SFP receptacle. The RF (high speed data) channel of the SFP receptacle is connected to 1 lane of the QSFP+ connector. The three remaining RF channels on the QSFP+ connector are not used.