Hi! I have the follow questions about compatibility. 1) 4 x QSFP28-FR-100G modules with QDD-DR4-400G-Si module in breakout connection 2) 4 x QSFP28-DR-100G modules with QSFPDD-FR4-400G module in breakout connection 3) QDD-DR4-400G-Si with QSFPDD-FR4-400G Thank you!
by E***a on 10/04/2022
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Hi, Elena! 1.4 x QSFP28-FR-100G modules with QDD-DR4-400G-Si module--Yes； 2.4 x QSFP28-DR-100G modules with QSFPDD-FR4-400G module--No，QSFPDD-FR4-400G does not support one-to-four applications; 3.QDD-DR4-400G-Si with QSFPDD-FR4-400G--No，the modulation method and connection form of the two modules are different. by FS.com on 10/06/2022
