Vivotek NR7401 User Manual download pdf (Page 8)

Chap.1 IP Surveillance Overview

In addition to a full-range IP surveillance product lineup, VIVOTEK has achieved competitive advantages over

other rivals in terms of multimedia SoC design, EE & ME integration and multimedia SDK. With these capabilities,

VIVOTEK is able to provide highly integrated products with superior image quality, comprehensive customer

services and versatile application solutions.

1.2.2 Camera Types

Generally,networkcamerascanbedividedintofourtypesfordifferentapplications,includingxed,pan/tilt/zoom,

xeddomeandspeeddome.

Fixed Type

A fixed network camera points in a fixed direction to monitor a specific area, such as hallways, staircases or

corridors. Because people can be aware of the camera’s shooting direction, in some cases, it can deter vandalism

and crimes.

A xednetworkcamerausuallycomeswithaRS-232/422/485interfacethatconnectsthecameras toapan/tilt

scanner for wider coverage.

Manyxednetworkcameras hasexchangeableC/CS-mountlensdesign, givinguserstheabilitytochangethe

lens to adapt for different monitoring conditions. For more information on C/CS-mount, please refer to Chapter 2.

Figure 1.4 Fixed network camera

Figure 1.5 PTZ network camera

Pan/Tilt/Zoom Type

Capableofchangingshootingdirectionhorizontallyandverticallytoachieveawideeldofview,apan/tiltnetwork

camera is used in many spacious areas, such as lobbies or parking lots.

Some pan/tilt network cameras are integrated with zoom capability so as to provide close-up images of distant

objects. Users can easily control PTZ functions through a web browser.

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Vivotek NR7401 User Manual Page 8