40G QSFP+ optical module refers to the 40G optical module in QSFP+ packaging form, CFP and qsfp are it's main packaging forms, for backbone transmission. Although both 40G QSFP+ optical module and 40G CFP optical module can be used in 40G network, 40G QSFP+ optical module is a more commonly used and popular 40G optical module.

The following is a list of common Cisco, Huawei and H3C 40G QSFP+ optical module product descriptions and corresponding models.

CISCO 40G QSFP+ optical transceiver model

HUAWEI 40G QSFP+ optical transceiver model

H3C 40G QSFP+ optical transceiver model

IEEE has developed a variety of transmission protocols for 40G QSFP+ optical modules, including:

40GBASE-SR4、40GBASE-LR4、40GBASE-BiDi、40GBASE-ER4、40GBASE-LRL4、40GBASE-LX4、40GBASE-CSR4、40GBASE-eSR4 etc.

If need the above 40G QSFP+ optical module, etu-link can supply them, and users can choose according to their own needs.

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