Техническая Инструкция для Cisco Cisco 4402 Wireless LAN Controller

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Operations 
Center (SOC)  

personnel monitor and respond to security 
and safety related incidents.  

UTP  

Unshielded twisted pair. A cable medium 
with one or more pairs of insulated twisted 
copper wires. 

Zoom (Digital)  

Magnify a video image with computational 
algorithms on the digital signal.  

Zoom 
(Optical)  

Magnify a video image with the focal 
length of a lens.  

Zoom Lens  

A lens that can be effectively used as a 
standard or telephoto lens through changes 
in its focal length.  

Zoom Ratio  

The ratio of the initial focal length (wide 
position) to the end focal length (telephoto 
position) of a zoom lens. A lens with a 10X 
zoom ratio magnifies the image at the wide-
angle end by ten times.  

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