2-2
MDU Solutions
®
– DVIS Nano - Nano-sized Digital Video Insertion System RF Output – Installation & Operation Manual
CHAPTER 2: PRODUCT OVERVIEW
2.2 Theory of Operation
The DVISn can be used to insert local programming into the spectrum where there is a blank channel (no QAM or analog
channel). This can be either a blank QAM or a QAM channel above the HFC plant end frequency (at the “band edge”).
Figure 2: Insertion into Blank QAM
Figure 3: Insertion into QAM at Band Edge
