40G Transceiver Modules QSFP+ Direct Attach Cables Suitable for in-rack connections between QSFP+ ports, on all QSFP+-compatible products. QSFPER4 40G ER4 (LC), single-mode, CWDM, 40km QSFPLR4 40G LR4 (LC), single-mode, CWDM, 10km QSFPSR4 40G SR4, (MPO), multi-mode, 100/150m QSFPSR4LC 40G SR4 (LC), multi-mode, 100/150m
