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Frequently Asked Questions




Q1. How to choose the camera or surveillance system?

In general, the surveillance system is composed by the camera and DVR.Complicated features, specifications and types of cameras and DVR, the average consumer is almost not easy to select their own models to fit.Installation of different places have different considerations, we recommend that you tell us the place and the target you want to shoot, and to us to tailor your plan, avoid the election not suitable configuration.


Q2. The difference between analog, SDI, IP cameras?

The most important part of the surveillance system, we called the camera.Traditional analog cameras with HD SDI camera two, as well as built-in networking features of IP cameras from the basic type of signal to be divided into three categories.Traditional analog camera resolution is about 720X480 (close to 40 million pixels), and HD SDI can to the 1280X1024 and 1920X1080 (more than 1 million and 2 million pixels), thus simple data can generally beknow clarity different.Built-in networking features of IP cameras, signals can be transmitted over the network to the DVR storage, eliminating the problem of wiring, as well as analog and SDI cameras selectable.


Q3. The difference between dome and box cameras?

Whether the dome or box camera, the basic structure of the principles are the same, the difference lies in the details of the different specifications, so you should know to select the function to be installed at locations and target, rather than outside type to select the monitor camera.


Q4. How many cameras need to be installed?

Each camera has a different perspective can choose different focal length and angle of the shooting range to also affect. Therefore, we recommend that the first thought shooting range and target, in order to select suitable camera specifications and quantity.


Q5. The key choosing point of indoor and outdoor?

Chamber, in general, in addition to resolution, is the focal length and infrared considerations. Outdoor with the environment, in addition to the requirements to improve, more consideration should be whether the weather be the camera itself caused the damage, for example, if there is no waterproof grade IP-68, then, the same camera mounted outdoors, may in typhoon days when there will be water, and thus damage to the internal parts or installed at the beach, note the salt damage.


Q6. I need the infrared function of the camera?

If the environmental light all day, adequate, basically is the camera infrared function is not required.Night or dimly lit case, you need to select the infrared camera, or configured with infrared projection, in order to make the camera see clearly.


Q7. DIY installed?

Of course, in our professional planning, as long as you have the relevant tools, you can enjoy the fun of DIY.


Q8. HD-SDI camera or IP camera?

To IP or not to IP? This is a hot topic that’s being debated by Sis, manufacturers, end users and media alike. As both HD-SDI cameras and IP cameras offer megapixel resolutions, which is better? An HD-SDI based video surveillance system allows you the ability to have megapixel in a standalone DNR. This solution allows you to upgrade your system while still using existing coaxial cables, which equate to significant savings. One of the main benefits of HD-SDI technology is that there is zero latency and zero loss of image data when viewing real-time video. While an UP based video surveillance system offers the following key advantages:

This day in age, it is highly likely that an IP-based network infrastructure is already in place, which means the cost is reduced to only that of the network cameras. IP cameras are easy to install and are highly scalable. Hey offer the option of open or closed access as needed, and allow remote access of live images and remote administration of a network camera anytime, anywhere via Web browser. Michael Brown, IT&C Director at Video Control said, “it is inevitable that high resolution (megapixel cameras) backed with services over IP will take dominance in the finance sector. Alarm inputs from ATM tampers to in-branch duress will all move towards being remotely visually verified.” Brown added that, “Financial institutions are increasingly using integrated technologies that allow the cross referencing of data such as alarm/ access control logs, video and transactional data via real time user interfaces. This is improving event response time and helping make sense of all the different data sources within an integrated system.”

He cautioned that, “Often system designers err on the side of caution by wanting to know everything, rather than that which is important.”

“We have noticed a move away from scale0out commodity NVR server infrastructures to scale-up consolidated and virtualized NVR servers. The intention is to make significant cost savings by cutting out unnecessary hardware and power and cooling operational expenses.” observed Scott Basham, Perimeter & Surveillance Security System PM for Unisys Asia Pacific.

Which is the future, IP camera or HD-SDI cameras? “We have both hybrid DVRs and HD-SDI technologies in operations; however, in my opinion, they are both band aid solutions for the trend is to go IP. To this end, b next year, we’ll be 100-percent IP (for new settings). IP allows us to implement a fully integrated and centralized system, one that facilitates remote visual verification of alarms,” said Jerry Feng, Citibank’s Taiwan Head of Security & Investigative Service.

A&S thinks that it is too soon and even not necessary to make a final conclusion as to which is better. System integrators and users alike should keep an open mind and an eye on both solutions, and analyze both of their advantages and disadvantages before jumping on the bandwagon.


ChipER, Best Solution for you CCTV Surveillance
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