Telephone entry systems have become a popular and effective means of controlling access to properties and buildings. They provide a secure and convenient way for authorized individuals to enter a premise without the need for physical keys or access cards. In this article, we will discuss the components of a telephone entry system, the benefits of using one, and how to install and set up the system.
A. Explanation of Telephone Entry Systems
A telephone entry system is a security system that allows authorized individuals to enter a property or building by using their phones. The system is designed to provide secure access control by requiring individuals to enter a code. Or use a call button to call a designated phone number, which will then grant access to the property. The system connects to a telephone line, and once an individual enters the code or calls the designated number. The system sends a signal to unlock the door or gate.
B. Benefits of Using a Telephone Entry System
There are several benefits to using a telephone entry system. First and foremost, it provides a high level of security by allowing access only to authorized individuals. This eliminates the need for physical keys or access cards, which can be lost, stolen, or duplicate. Additionally, a telephone entry system can be programmed to allow access only during certain times of the day, providing an add layer of security.
Another benefit of a telephone entry system is convenience. Authorize individuals can enter a property without the need to be present physically or hand over a physical key or access card. This is especially useful for individuals who need to enter a property outside of normal business hours, such as maintenance workers or delivery drivers. Furthermore, a telephone entry system can be programmed to call multiple phone numbers in case the first person is not available to grant access.
II. Components of a Telephone Entry System
A telephone entry system is made up of several components that work together to provide access control. These components include:
A. Keypad: The keypad is use by individuals to enter a code that grants access to the property. The keypad can be either a standalone unit or integrate with the speaker/microphone.
B. Telephone line interface: The telephone line interface connects the system to a telephone line, allowing the system to make and receive calls.
C. Speaker/microphone: The speaker/microphone allows individuals to communicate with the system when calling to gain access. It can also be used to communicate with visitors at the door or gate.
D. Power supply: The power supply provides the necessary voltage to power the system.
E. Control board: The control board is the brain of the system, controlling the logic and functionality of the system.
F. Relay board: The relay board controls the unlocking mechanism of the door or gate, sending a signal to unlock the door or gate when access is grante.
Installing a telephone entry system requires careful planning and attention to detail. The following steps should be taken when installing a telephone entry system:
A. Choosing the right location for the system: The system should be installed in a location that is easily accessible to authorized individuals but is not easily accessible to unauthorized individuals.
B. Mounting the equipment: The system should be mounted securely to ensure it remains in place and functions properly.
C. Wiring the system: The system should be wired properly to ensure it functions correctly. This includes connecting the keypad, speaker/microphone, and a relay board to the control board.
D. Testing the system: The system should be test thoroughly to ensure it is functioning properly. This includes testing the keypad, speaker/microphone, and unlocking mechanism.
In conclusion, a telephone entry system provides a secure and convenient means of controlling access to properties and buildings. It allows authorize individuals to enter a property without the need for physical keys or access cards, and it can be program to allow access only during certain times of the day. The system is made up of several components, including the keypad, telephone line interface, speaker/microphone, power supply, control board, and relay board, which work together to provide access control.