ATOP 200G QSFP56 SR4 product is an integrated transceiver module containing a micro-optic component and semiconductor material, and can implement optical-electrical conversion and electrical-optical conversion. The module is designed as a four-channel, pluggable, parallel, QSFP56 transceiver for 200Gbps fiber-communication. Each channel can operate at 53Gbps up to 100m on OM4 fiber. And the operating wavelength is 850nm.The optical interface uses an 12 fiber MTP(MPO) connector, and the electrical interface uses a 38 contact edge type connector. This product is compliant to 200GBASE-SR4 of IEEE802.3cd standard , and provides reliable long life, high performance, and consistent service