GIGALIGHT 100G QSFP28 SR2 optical transceiver are used for short-range interconnections between devices within data centers.The module incorporates 2 channels 850nm VCSEL Array and PIN photo detector array. This results in an aggregate bandwidth of 100Gbps into a MPO cable. This module can convert 4 channels of 25Gbps (NRZ) electrical input data to 2 channels of 50Gbps (PAM4) optical signal, and also can convert 2 channels of 50Gbps (PAM4) optical signal to 4 channels of 25Gbps (NRZ) electrical output data.Maximum link length of 100m OM4,70m OM3 (DSP KP4-FEC is ON).