A packet manager collects {TAIL ~ the pixel data} and generates a packet data signal that represents {HEAD ~ the pixel data} collected from the multiple video data sources 
A packet manager collects { TAIL ~ the pixel data } and generates a packet data signal that represents { HEAD ~ the pixel data } collected from the multiple video data sources
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH