It could be many things. 1  Gather facts. 2  Rule out equipment... 3  Back to gathering facts... 4  Call Comcast.  Good 1  luck. Have your problems always existed (with your current installation/configuration)?  When speaking with anyone...
A maximum-phase system is the opposite of a minimum phase system. A causal and stable LTI system is a maximum-phase system if its inverse is causal and unstable. That is, 1  The zeros of the discrete-time system are outside the unit circle.
phase (fÄz) noun any of the recurrent stages of variation in the illumination and apparent shape of a moon or a planet any of the stages or forms in any series or cycle of changes, as in development any of the ways in which something may be observed, considered, or presented; aspect; side; part a problem with many phases Chem. a solid, liquid, or ...