QSFP-40GE-LR4 QSFP+光模块 1310nm 10km LC DOM AO-40GB-QSFP-LR4 QSFP-40GE-LR4 QSFP+光模块 1310nm 10km LC DOM AO-40GB-QSFP-LR4 低功耗<3.5W / DFB+PIN
