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Fire Alarm system requirements
Fire Alarm system Non-coded, UL Listed intelligent analog addressable system, one-way voice communications with multiplexed signal transmission and survivable network nodes....
Access control systems requirement
• Access Control is the use of qualifying devices or identification methods at various points to control the movement of people and vehicles into or out of an area or building. It limits access to a building to people who have authorization to enter through selected points. In essence, it can control WHO goes WHERE and WHEN....
Public address system Evacuation Sequence
The emergency warning & public address system covers an integrated system for managing the evacuation of the building, The prime function of an EWS is to transmit alert signals and evacuation signals clearly and reliably via speakers in emergency zones. The EWS shall automatically initiate evacuation procedures or be manually operated...
Intercom System operation
Video door PHONE (also known as a video intercom or doorphone) is a stand-alone system used to manage calls made at the entrance to a building (residential complex, detached family home, workplace, etc.) with access controlled by audiovisual communication between the inside and outside. The main feature of video door entry is that it enables the person indoors to identify the visitor and, if (and only if) they wish, engage in conversation and/or open the door to allow access to the person calling....
What is a network camera?
Previously, when talking about CCTV nguot often thought to traditional CCTV (analog camera), the type of camera that is connected to the center by coaxial cable observed. 10 years ago, also called network camera IP camera was born and has flourished. Camera network activity based on the principle of moving images and sound into digital data and then transmit the data over the network or internet. Below is a summary comparison between systems using network cameras (IP cameras) and traditional analog cameras....
Benefits of network camera
Decide first and most important when designing a CCTV system is chosen to analog cameras or network cameras. There is no difference between the two terms "network camera" and "IP camera". No matter how well known as the network camera is a digital camera with embedded web server and transmit current data having his picture. The term "megapixels" or "high-resolution" refers to the resolution of the camera having at least 1 million pixels. Note all the camera megapixel or higher resolution cameras that are there, but not vice versa. So why choose network camera? Two main reasons are scalable and resolution....