200G QSFP56 FR4
200G-FR4 QSFP56 based on EML, 4 channels of 50G-PAM4 electrical and optical parallel lanes, LC connector, 2km maximum reach via single mode fiber, case temperature range of 0℃-70℃, comply with IEEE 802.3bs and QSFP56 MSA.
Applications: Ethernet, InfiniBand
200G QSFP56 SR4
200G-SR4 QSFP56 based on VCSEL, 4 channels of 50G-PAM4 electrical and optical parallel lanes, single optical port of MPO-12, up to 70m reach via OM3 multimode fiber and 100m reach via OM4 multimode fiber, case temperature range of 0℃-70℃, comply with IEEE 802.3bs and QSFP56 MSA.
Applications: Ethernet, InfiniBand