For sale one (1) Autopatch Distribution Matrix, series 4YDMA.  This unit comes with 7 Video signal BNC cards,  24 input and 4 output ports. Part number #4YDMA03963570.  This item is used and has been pulled from a working environment.  Sold as shown as the top unit in the pictures.  The bottom unit is not included and is available in a separate listing.