400G QSFP-DD LR4 EML CWDM4 10km Transceivers
GIGALIGHT's 400G QSFP-DD LR4 optical transceiver modules are designed to support 400G Ethernet, suitable for data center links up to 10km over single mode fiber with FEC. The 400G QSFP-DD LR4 modules are compatible with 400G-LR4-10 specification of 100G Lambda MSA. The transmission side converts 8x 50G PAM4 electrical signals into 4x 100G PAM4 optical signal. Reversely the receiving side converts 4x 100G PAM4 optical signal into 8x 50G PAM4 electrical signals.
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