6
VGA-over-UTP
Start with the compensation pot fully CCW (least compensation), then
slowly turn it clockwise and check for the bleeding of left to right
horizontal lines on the screen.
3.1
Important note regarding selecting the UTP Cable
First of all, UTP (unshielded) is preferred over STP (shielded) unless
you are running the cable very close to AC power lines, power
transformers, or ballasts of fluorescent lights, where EMI (electro-
magnetic interference) can get into the video if it is strong enough.
Secondly, for best results especially for distances of over 150 feet, it
is highly recommended to use a Zero-Skew Cat5 cable. (Hall
Research Part Number CUTP-Z-1000). This cable ensures that the
horizontal alignment of the red, green, and blue components of the
Note dark line bleeding
as a dark line to the
right
Note dark line has a
clean transition
Note dark line bleeding
as a white line to the
right !
Figure 3
