When I look at rear picture of the UHD722 in the UHD722 Data Sheet I can’t see any Comms like I have on my HD621. Does this mean that I will have start and turn off the UHD722 and 861 individually and not as I have today, handling both units from 861?

Meridian 861v8, UHD722, B&W 803D3/HTM1D3, Mcintosh MC452/Classé CA-5300, Transparent Super G5/Ultra MM2, Velodyne DD-12 Plus, JVC-7000, Isotek Aquarius, OPPO-BDP 105