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 (feÉªz) n., v. phased, phasâ¢ing. n. 1. any of the major appearances or aspects in which a thing of varying modes or conditions manifests itself; facet. 2. a stage in a process of change or development.