Today, the Internet has a profound impact on people's work, study and life. We not only use the Internet in work units and schools, but also use the Internet in family life. For ordinary network users, maybe only know to use, but not necessarily understand the actual network cabling, which in the unit and school, you do not have to care about what network cabling, but for the network cabling in the home, you need to care about.
The concept of integrated home wiring
Home wiring is a small project. The reason why this is not so great is that such projects are too small for network companies and generally do not want to pick up such projects unless they are large-scale residential complex cabling; the reason is not small, because it is for the general In terms of wire layout in the renovation project, it is a very professional and complex project. Unless it is a well-designed residential broadband integrated cabling, otherwise the ordinary new home renovation projects encountered by the network cabling are resolved by the owner.
Home network cabling is not a problem that any decoration company or decoration engineering team can solve. I have many feelings about this. The author once encountered many problems when performing home computer network maintenance many times. Many home network cabling are network cabling along the way in the renovation project. There are many problems left behind by professional network engineers. Such as: network cable line sequence wrong; information module wrong; some even more outrageous, all the colored network cable and white line are respectively connected into two strands, like two wires; the trace design and strong electricity go together; material is low and many more.
Nowadays, home decoration is a big project. There are civil decoration decoration, water and gas pipelines, electricity and various wiring. In terms of wiring, in addition to wiring, there are cable television cables and telephone lines, audio cables, video cables, and network cables. In addition to the power lines, these cables are called "weak power" and transmit various signals. Therefore, we must build a versatile, modern, and intelligent home environment without necessary wiring. Weak power integrated wiring requires professional engineers to make comprehensive and reasonable planning, design and construction for the owners. Only in this way can the overall home improvement be beautiful, orderly, practical and convenient for use now and expand in the future.
Home Integrated Cabling System Home Integrated Cabling System is an electronic system that centralizes the design of networks, televisions, telephones, and multimedia audio and video. The integrated wiring system consists of home information access boxes (or wiring boxes), signal lines, and signal port modules. Various cables are centrally controlled by the information access box. Signal lines and ports are the “nerves†of various application systems. And "nerve endings."
The role of the information access box is to centrally control the input and output electronic signals, and various lines can be jumped in the box to achieve access. After the integrated wiring is put into use, usually the line will be deployed as required to control the specific properties and functions of the line so that it is not necessary to change the line or even destroy the original decoration.
Ordinary information access boxes can control at least three kinds of electronic signals such as cable TV signals, telephone voice signals and network digital signals; and higher-level distribution boxes can control video and audio signals if the house where the house is located provides corresponding services. , It can also achieve a series of functions such as electronic monitoring, automatic alarming, and remote water and gas meter reading. Various signals have corresponding function interface modules in the information access box to manage the connection of the respective lines. The principle of information access box management is very similar to that of a computer network.
The signal line transmits various electronic signals. These signal lines include: twisted pair (cable), coaxial cable, telephone line, audio line, video line, and various signal lines and control lines for automatic meter reading of security and utilities. The signal port is connected to the terminal equipment. Such as: televisions, telephones, computers, switches, burglar alarms, automatic meter reading devices.
Several major components of home cabling
The integrated module of the home integrated wiring is the function module of the information access box. They manage the connection of various signal input and output, and all the lines from the interface sockets in the corners of the room are connected in a centralized manner to the corresponding functional modules. On the back, some modules have a front socket, which is consistent with the socket corresponding to the corner of the room. Also includes the interface module (commonly known as: socket) for each room.
1. Network module
The network module is composed of a set of 5 types of RJ45 jacks, which are used to jump to the computer network cable that enters the room. Five kinds of network cables from the room information jacks are printed on the corresponding sockets on the back of the module. The RJ45 jack on the front panel is connected to the small network switch through the RJ45 jumper. We can install 5 small switches in the information box, preferably iron-shelled switches, to facilitate heat dissipation through the cabinet. ADSL MODEM can also be placed in the box.
2. Telephone module
The telephone module and the data module are actually the same, and also use a set of 5 types of RJ45 jacks to multiplex the outgoing telephone lines into the room. It is a multi-input, the output port is connected to the telephone socket of the room, and then the socket is connected to the telephone. machine. This module uses five types of RJ45 interface standards, such as indoor wiring using five types of twisted pair, can also be used for computer network connection.
In the actual wiring project, the network cable is often used as the horizontal wiring of the telephone. When the installation is performed, the pair of blue and white lines in the 4 pairs of twisted pair cables is used as a telephone, and only the RJ45 jacks at both ends need to be plugged in for use. RJ11 phone line can be. That is, the network and the phone may be common and back up each other. It is a double-benefit approach.
3. TV module
The TV module is actually a cable TV distributor. As shown in Figure 4, this module consists of a professional RF splitter.
4. Audio and video module
The audio and video module can realize audio and video sharing in each room. The audio and video module in FIG. 5 is composed of four video and audio Screw terminal blocks, which are one in and three out. Three dial switches respectively correspond to the control of the three groups of outgoing lines to realize multiplexing or disconnection of the signal output port and the signal input port. .
The video and audio (view: V, right channel: R, left channel: L) input signal line access port, the output signal line is also connected to the corresponding output port. Each output port has a set of three-position toggle switches on the panel (corresponding to the numbers "1", "2", "3", closed down, marked as "ON") can control three outputs respectively Multiplexing and disconnection of signals and input signals. This allows multiple rooms to share a VCD/DVD player.
5. Data/voice socket
As mentioned above, in the practice of cabling engineering, a unified Super Category 5 cabling method is generally used for data and voice cabling, so that both ends of the cabling are also terminated with corresponding RJ45 information modules. Therefore, data/intelligence sockets use a unified RJ45 dual-mouth outlet, one for the network and one for the telephone.
6. Video/audio socket
The audio and video socket panel contains a video port, a left channel, and a right channel (V/R/L).
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