Comparison Between 40G CFP LR4 and QSFP 40GBASE-LR4 Optics 日期： 十二月 29, 2015 40G CFP LR4 40GBASE-LR4 40GBASE-SR4 40GbE Transceiver Modules Alcatel-Lucent QSFP-40G-LR CFP DAC cables QSFP QSFP 40GBASE-LR4 QSFP-H40G-AOC15M QSFP+ to QSFP+ active optical direct-attach cables +