200G QSFP56 SR4 PAM4 Transceiver 850nm MTP/MPO-12 OM3/OM4 100m with FEC DDM1 Description The 200G SR4 full duplex optical module offers 4 independent transmit and receive channels, each capable of 53. 125Gb s operation for an aggregate data rate of 200Gb s on 70 meters of OM3 multi mode fiber. An optical fiber cable with an MTP MPO 12 APC connector can be plugged into the QSFP56 SR4 module receptacle. The central wavelengths of all 4 parallel lanes are 850nm. It contains an optical MPO 12 APC connector for the optical