The HG Genuine ATRE-6XXX-1 AOC is a high-performance, cost-effective modules for serial optical data communication  applications to 400G, The ATRE-6XXX-1 is designed to  Datacenter, accept 400G Ethernet protocol traffic for  70m@OM3or100@OM4 links. The ATRE-6XXX-1 integrates 8 independent transmitters and  8 independent receivers inside. Two 850nm VCSEL arrays,  two PIN arrays, linear TIA and linear driver were used in the  module. The module has advantages with low power  consumption and low cost. The high-speed electrical interface is base on low voltage  logic, with nominal 100 Ohms differential impedance and AC  coupled in the module.  Users can access to a series of registers to monitor and  configurate data through two wire serial interface.