Q:What are the security monitoring TV walls required?

The front end uses the network camera, then the surveillance video frequency acquisition has not been a problem.The 21 points are in different places, and the front end and the back end are all connected by network devices, of course. Don't you have a wiring problem?. Is the distance between the 21 points very far?Each video signal needs to be on the wall, it is best not to use the TV, with professional LCD monitor will be better. In addition to security monitors, you also need screen splitter, TV wall rack, and video recorder if you want a hard drive.

Q:Is there any difference between a monitor and an ordinary monitor?

Input signals are different: monitor input AV analog video signal, computer monitor input RGB tricolor VGA signal.The resolution is different: the average color monitor is usually 420 or 480 lines, and the computer monitor is at least 800*600 resolution.Radiation levels are different: color monitors generally do not have radiation protection, and computer monitors must have radiation detection, certification, or the use of liquid crystal display, there is no radiation.

Q:Closed-circuit television monitoring system, video installation set what quotasfixed

In a digital communication system, the transmitted signals are digitized pulse sequences. When these digital signal streams are transmitted between digital switching devices, the rate must be completely consistent so as to ensure the accuracy of the information transmission. This is called synchronization".

Q:Video monitor prices

Video monitor closed-circuit monitoring system (CCTV), the monitoring system shows the system of internal control standard transmission monitor shows I can watch the front send images for video monitoring terminal equipment filled with lack of monitoring staff colleagues eyes investigation plays a key role

Q:What are the reasons for the absence of signals in the closed-circuit monitoring system?

If you say yes, the extension cannot display the image or show no signal, and the host has an image with a signal. That's the network or the problem of setting up the extension software.It's about to be tested. If you have any questions, you can ask again.

Q:How to control remote control of closed-circuit system

In your way, must be in each shop to do routing in the port mapping, your network is fixed IP or ADSL class of dynamic IP, if it is fixed IP, just like LAN, easy access. If it is ADSL, it is best to do a dynamic domain name, peanut shell is good, there is free. Then your laptop with a browser enter each store access domain, or install a client software, 5 domain names to connect 5 stores.

Q:Is there any sound in closed-circuit monitoring?

There is your acquisition card or hard disk recorder, pickup is generally need to be purchased separately, if you monitor audio connected pickup can be, you can look around you there is something mahjong or habits at the top, which is a pickup

Q:What's the difference between a wireless surveillance camera and a wired surveillance camera?

Surveillance camera is a semiconductor imaging device, which has the advantages of high sensitivity, high light resistance, small distortion, small size, long life and anti vibration.

Q:What is the working principle of security monitoring system?

The simple answer to you, to understand: if a fixed camera power line, a video line, a video recorder, a head in head position in the camera position, then on the line, if the camera is active with a signal line (like power line), installed in the room on the recorder on the line.

Q:What materials and equipment are needed for complete security monitoring?

Table: the main purpose is to display console monitoring client and control computer, in a large control room, in order to be able to preview more pictures and realize the management and scheduling functions more, usually need more than one client, and the client will be placed on the operating table, to facilitate supervision personnel check.