40G QSFP LR4 optical transceiver module, support 40Gb/s and up to 10 km transmission on SM fiber, it works in high-speed IDC connection solutions, and so on.
40G QSFP ER4 optical transceiver module, support 40Gb/s and up to 40 km transmission on SM fiber, it works in high-speed IDC connection solutions, and so on.