What does the weak current construction drawing code T D TD V VP stand for?

In the construction drawing code of weak current system, T stands for telephone socket;

D is a network socket;

TD is a dual-hole information socket between telephone and network;

V is a cable TV socket;

VP is a dual-hole socket between cable TV and IP TV.

In addition, VP is equipped with FD, which is the floor distribution box (for integrated wiring)

Extended information:

Construction composition of weak current system:

Generally speaking, weak current system is composed of different systems under different circumstances. For example, the hotel weak current system consists of automatic fire rescue system, monitoring video system and central air conditioning control system, while the intelligent community weak current system consists of management garage, access control system and management system. Up there. Therefore, due to different occasions, weak current construction system will be different. Its composition can be divided according to its functions, including safety protection system and automatic control system.

1. Automatic control system

In public places, not only indoor and outdoor safety systems are needed, but also many automatic control systems are needed to provide automatic control for major equipment systems. Generally speaking, automatic control systems are widely used in public places, mainly for lighting systems, fire safety systems, broadcasting systems, power supply systems and drainage systems.

2. Safety and prevention system

Indoor part: An indoor safety and prevention system composed of multiple sub-systems can not only ensure the indoor safety of public places, but also transmit indoor related information to the designated dispatching and command center. Indoor security system usually consists of door and window management system, emergency rescue system, fire alarm system and indoor monitoring system.

outdoor part: the outdoor security system mainly protects the security around the public place and monitors all monitoring facilities in the whole public place. It usually consists of security patrol system, infrared alarm system and outdoor monitoring system.

Reference: Baidu Encyclopedia-weak current system

Reference: Baidu Encyclopedia-weak current.