Archive for the ‘Discretionary access control’ Category

When selecting a video surveillance system, we all need finest picture quality with huge storage in exchange of our money. There are following ten points which should be taken into account while selecting any 20th century CCTV cameras:  1. End Your Interlace Issues: Once you move to some Multilevel IP camera, you receive rid with… Read more >>

 Top 3 Problems with Video Analytics CCTV system: • Eliminating false alerts • System maintenance too difficult • Cost of System too high Eliminating false alerts Since the goal of video analytics is to reduce or eliminate human involvement, eliminating false alerts is necessary to accomplish this. Each alert not only requires a human assessment… Read more >>

  A smart card reader is an electronic device that reads smart cards. Access control card readers are used in physical security systems to read a credential that allows access through access control points, typically a locked door. An access control reader can be a magnetic stripe reader, a bar code reader, a proximity reader,… Read more >>

Compression and Data Management: As because megapixel cameras resolve so much detail, bandwidth usage and video storage can quickly become an issue. Both are dependant on the compression format used in the camera (Motion JPEG or MPEG-4 are two of the most common) and the frame rate at which the video is transmitted. Without going… Read more >>

Megapixel Cameras  The improved clarity provided by megapixel cameras was first applied to broadcast applications when television stations started migrating from NTSC to HD (high definition). Poorly constructed sets and props such as fake bookcases with painted-in books didn’t cut it when shot with high-resolution HD cameras. In the video surveillance arena, the clarity and… Read more >>

Main Points that we consider according to the need to Customers: End users want access control systems to do more than ever before, but don’t necessarily have the funds to invest in a lot of new hardware. Today’s top list of desired features could include many of the following: IP or Web-based — Using the… Read more >>

LED stands for Light Emitting Diode. Basically is comes under the category of Semiconductors as because they are used in Electronics and in Printed Circuit Board. In the past days LEDs was of very less intensity and with only one color, but now a days different types of LEDs are available having different types of… Read more >>

The Wiegand Reader-to-Controller Interface: An interface defines how two devices communicate with one another. Various readers can communicate with access control panels using a variety of well-established, industry-standard interfaces including: • Wiegand • Serial (RS232, RS422, RS485) • Clock-and-Data (Magnetic Stripe Track/2) – Also known as ABA format. We will concentrate on the Wiegand interface… Read more >>

 The term Weigand is applied to several characteristics related to Access Control readers and cards. Unfortunately, the word is often used very carelessly and can lead to unnecessary confusion. Here are the basic facts:   Weigand is: 1.      A specific reader-to-Card Interface. 2.      A specific binary reader-to-Controller Interface. 3.      An electronic signal carrying data. 4.     … Read more >>

Computer is the backbone of Security System as because it can store, manage and Simplify the toughest job. In the setup of a Computer, several peripherals are used such as Printer, Scanners, Keyboard, Mouse, Speaker and other input & output devices.  Wired Communication is very common from several years till today. It requires a long… Read more >>