40G QSFP Modules-Optical Transceivers

Our 40G QSFP+ transceiver family serves the huge installed base of 40G networking: SR4 for multimode data halls, LR4 and ER4 for single-mode reaches from 10 to 40 kilometers, and SR-BiDi for upgrading duplex 10G fiber to 40G without re-cabling.

40G QSFP+ SR4
The classic 40G data hall optic, four lanes over multimode trunk.

40G QSFP+ LR4
Four wavelengths on one fiber pair, reaching 10km with OTU3 support.

40G QSFP+ ER4
APD receiver closes the 40km budget without amplifiers.

40G QSFP+ SR-BiDi
Upgrade 10G duplex plants to 40G with zero re-cabling.