ADDER AdderLink X100 Руководство пользователя - Страница 5
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Installation & Operation
Connections
X100 receiver modules offer straightforward installation and generally require
minimal configuration. The local device (AdderVeiw CATx, Adder CAM, etc.)
connects directly to the computer, while the X100 receiver resides at the other
end of the twisted pair cable and attaches to the keyboard, mouse, etc.
Connections.at.the.X100.(remote).module
•
Cable length advice
The various X100 receiver models support twisted-pair structured cabling within
categories 5, 5e and 6. Of these three cable types, category 5 generally provides
the best transmission of video signals because its four pairs of conductors are
the most evenly twisted.
Category 5e and 6 cables use conductor pairs that are unevenly twisted in order
to combat interference effects encountered within higher frequency networks.
While these uneven twists work well for Ethernet signals, they can impose
problems for the video signals received by the module. The module receives the
red, green and blue video signals on separate twisted pairs within the cable. If
any of the colour signals are made to travel slightly further or shorter distances
than the others, the result is seen as mis-aligned colours on screen. This is called
skew and becomes more noticeable as cable runs become longer and screen
resolutions/refresh rates increase. X100AS models are equipped with special
features to combat the effects of skew - see Skew.adjustment.
As an approximate guide, you should expect the following maximum cable
lengths:
Models
Category 5
X100 and X100A models
100m ¹ [100m ¹]
X100AS
300m ² [200m ²]
¹ length limited by skew in the cable.
² length limited by bandwidth compensation amplifiers.
In each case the initial values represent maximum distances when using screen
resolutions up to 1280 x 1024 @ 60Hz; whereas the [bracketted] values
represent distances achievable using resolutions up to 1600 x 1200 @ 60Hz.
Category 5e or 6
50 to 100m ¹ [50 to 100m ¹]
300m ² [200m ²]