Adder Technology GEMAV4GEM - Manual (Page 33)

AdderView GEM Installation and Use Page 26
its serial interface. Consequently, by linking the serial interfaces a master unit may
be made to automatically switch a daisy chain of slaved units as shown in the
diagram below. The slave units will require the optional power adapters because
they cannot draw their power from the video link alone.
Synchronised AdderView GEMs used for a dual head video switching application