Table of Contents
Advertisement
the cable at a fixed speed, the arrival times of signals can be skewed in
a long cable (those that have to travel farther arrive later and the
corresponding color shifts to the right).
This is seen on the monitor as separation, or lack of convergence in
colors. For example a vertical white line on the screen may look to
have a red tinge on the left edge and blue tinge on the right edge.
This effect gets worse at high resolutions, high refresh rates, long
cables (in excess of 200 feet), and depends on the cable construction
itself. Hall Research highly recommends the use of UTP cables
specifically constructed for video transmission. In these cables the all
the twisted pairs are the same length. They are available from several
sources including Hall Research (part numbers shown below).
Zero-Skew CAT5 Cable for use with Hall Research CAT5 Products
PART NUMBER
CUTP-Z-1000-BLK 1000 ft.
Zero-Skew CAT5 cable. Bulk spool of 1000 ft
CUTP-ZP-1000-BLK 1000 ft.
Zero-Skew CAT5 cable. Bulk spool of 1000 ft Plenum Rated
If you are going to use commercial grade UTP cable, then we
recommend using Cat5 or Cat5e rather than Cat6, since the twist ratio
match is better in Cat5 cable.
3.2.3 The Model UR232-X2
This receiver is identical to the standard UR232 with the exception that
it has 2 VGA outputs and 2 RS232 outputs. Both outputs show an
identical image.
4. Troubleshooting
4.1 Problem Solving FAQ
1. Fuzzy, blurry, or ghosting image at remote location
If you have a stable image but it looks somewhat blurry (edges are not
sharp), make sure that you have adjusted the receiver unit's
compensation pot correctly. Also check table 3.1 to see that you have
not exceeded the maximum recommended cable length. If you still
Compact CAT5 Video/RS232 Splitters and Receivers
9
Advertisement
Table of Contents
