What is SR,DR,FR,LR,ER for 200G QSFP56 transceiver?

With the rapid development of data centers, 100G optical modules are not enough to meet the growing network upgrade requirements and 400G is not yet popular, so 200G QSFP56 optical transceivers have become the mainstream solution for 200G Ethernet deployment in data center, AI, clouding computer, etc. Difference between 200G QSFP56 and 40G QSFP+ and 100G QSFP28 […]