When home decoration network cabling, we must be cautious and cautious. This is a very complicated and tedious task. If you do not use it later, it will cause various problems and it will be troublesome to troubleshoot the problem again. Some inexperienced wiring personnel and even electricians take care of the work of cabling so that there are many hidden dangers in the line.
The following eight questions are the most likely problems when wiring
one,
In the same area as the “interfering†device, in the real environment, not only the video cable can interfere with the data line. Lighting fluorescent lamps, motors, and related equipment that can generate electric or magnetic field disturbances can all have a serious impact on data transmission over network cables. Therefore, when wiring, we need to ensure that the line is far away from the area where these interference sources are located.
Second, voice and data services use different lines to take into account the cost of many companies have used voice and data services in different formats and types of network cable. Since voice services do not require very high line conditions, as long as a single wire is used for compliance, providing cheaper lines for voice services ensures that the data lines receive a larger portion of the budget. Even though the capital spent on integrated cabling is still a large sum of money, the largest expenditure has become the human resources cost line itself no longer accounts for the highest investment share. In addition, with the popularization of voice telephony technology, voice services have become a project in which data demand depends on data-level network cable support in many environments. In fact, if the company does exist in this area, as long as the appropriate voice telephone equipment is selected, the existing data lines and the Ethernet switches in the voice telephone equipment can be used to meet the corresponding requirements, thereby avoiding the waste of funds caused by repeated wiring.
In short, we can't simply assume that the voice service just needs to use the old type-3 line to meet the demand before the work begins. If you need to deploy a separate line for the phone, you should ensure that its performance can reach the level of supporting data lines.
Third, the forward-looking planning of the overall network has not yet begun Gigabit network has begun to spread but there are still many companies need to continue to use 100M to desktop network connectivity. For example, some companies need to relocate to a new office location. This requires the redeployment of network lines. Whether a traditional network cable technology that can meet current applications or a new network cable technology that can be continuously upgraded in the next few years will be put in place. In front of us. What we need to pay attention to is that the cost of human resources is the highest part of the project. Although it seems plausible that selecting higher-level cabling solutions during the implementation of actual projects is not very good, we suggest that you should consider using products with better quality as much as possible. This will make your business less likely to face embarrassment in the face of higher network demand for a long time. Therefore, ensuring that the used network cabling technology will not fall behind prematurely is also a problem that network cabling personnel must consider.
Fourth, the cable and the cable form a parallel data line for transmission using the "twisted pair" unshielded
Twisted pair mode. The magnetic field generated by the operation of a low-voltage wire is an important part of the communication chain. The problem of magnetic field interference occurs when the unshielded network cable is parallel to the wire. This will result in a large amount of duplicate and garbled information in the transmitted data. In many cases, this will cause the failure of effective transmission between the two places. The rate of failure will rapidly decline and the problem of repeated transmission will occur frequently.
Fifth, regardless of the actual distance limit Before starting the wiring should first confirm the need to achieve the distance and range of the connection. Take the typical Ethernet cabling using ordinary twisted pair cables as an example. The distance in a Gigabit network is limited to 100 meters. If the company chooses 10 Gigabit or 40 Gigabit technology, it should be based on the corresponding specific design distance. For example, if the company intends to use a twisted pair to run 10 Gigabit networks over a distance of more than 100 meters, it must select a 6A or higher grade network cable.
Sixth, there is no effective management of the line Usually, everyone will think that increasing the number of lines will help the existing system. The addition of trapezoidal racks and the consequent rack-based line management do result in increased operating costs. But it also makes daily maintenance work very simple. It needs to be noticed that the line management work will not end automatically because the project is finally safely completed. The reality will change when more and more lines are added. Therefore, we must insist on the identification of the cables according to the color classification or take some other type of special treatment to ensure that the relevant lines can be easily identified under any circumstances.
VII. Ignoring the test of the line After the completion of the wiring work, various tools should be used to test each line to ensure that they all meet the predetermined requirements. The work involved involves verification of the transmission distance and the specific specifications of the cable. If it is a Gigabit network, the line needs to be verified to ensure that the corresponding requirements can be met.
VIII. Reasonable planning for newly added lines When we need to use Ethernet switches in the network to handle the newly added lines, we need to specifically state that the use of an Ethernet switch will give the entire network without using scientific and rational planning. Bring Unknown Factors and Unstable Risks. Users who use microswitches usually only need to add one or two ports. Therefore, traffic planning is not required. And because of the additional port factor, it may cause problems. If the new service requires a lot of network resources to support it, we should try to avoid bottlenecks. Therefore, it should be noted that in the case that there is no absolute need to increase the number of switches and network ports, we must try to consider other ways to increase the network capacity, such as the addition of new lines to expand the network size.
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