The Keysight M8197A-FG is an option of M819A Multi-Channel
synchronization module for up to 4 M8195A modules. Using the M8197A, a fully
synchronous system with up to 16 channels per AXIe 5-slot chassis can be
realized. The M8197A also provides a dynamic control input/general purpose
output that can be used with one or more M8195A modules.