The house network must be cautious and cautious. This is a very complicated and cumbersome thing. If it is not done well, it will cause various problems in the later use, and it will be very troublesome to troubleshoot the problem again. Some inexperienced wiring personnel, even electricians, also take care of the wiring work, which will cause many hidden dangers in the circuit. The following 8 problems are the most prone problems when wiring:
1. Voice and data services use different lines
Considering the cost issue, many companies used to use different specifications and types of network cables for voice and data services. Since the voice service does not have high requirements on the line status, as long as a single wire is used to achieve the standard, providing a cheaper line for voice service can ensure that the data line gets a larger portion of the budget.
To this day, although the capital consumed by integrated wiring is still a large expenditure, the largest expenditure has become the cost of human resources, and the line itself no longer accounts for the highest investment share. In addition, with the popularization of voice telephony technology, voice services have become projects in many environments that rely on data-level network cables for data requirements. In fact, if the company does have such requirements, as long as the appropriate voice telephone equipment is selected, the existing data lines and the Ethernet switch built into the voice telephone equipment can be used to meet the corresponding requirements, thereby avoiding repeated wiring Money wasted.
In short, before the work begins, we cannot simply assume that the voice service can be satisfied only by using the old type 3 cable. 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.
2. The network cable and the "interfering" equipment are in the same area
In the real environment, it is not only the wires that can cause interference to the data lines. Fluorescent lamps for lighting, motors and related equipment that can generate electric or magnetic field interference can all have a serious impact on the data transmission of the network cable. Therefore, when wiring, we need to ensure that the line is far from the area where these interference sources are located.
3. No forward planning for the overall network
Gigabit networks have begun to spread, but there are still many companies that need to continue to use the 100M network connection to the desktop. For example, some companies need to relocate to new office locations, which necessitates redeployment of network lines. Should they adopt traditional network cable technology that can meet current applications or choose new network cable technology that can be continuously upgraded in the next few years? Will be before us. What we need to pay attention to is that in the process of project operation, human resources cost is the most expensive part. Although it seems not reasonable to choose a higher-level wiring scheme during the implementation of the actual project, we recommend that you still consider using better quality products as much as possible. This will prevent your business from embarrassing when facing higher network demands for a long time. Therefore, to ensure that the network wiring technology used will not fall behind prematurely, is also a problem that network wiring personnel must consider.
4. No effective management of the line
Usually, everyone thinks that increasing the number of lines will help the existing system. The increase in trapezoidal racks and subsequent rack-based line management and other work will indeed lead to increased operating costs. But it can also make daily maintenance work very simple. It should be noted that the line management work will not be automatically terminated because the project is finally completed safely. As more lines are added, the reality will change accordingly. Therefore, we must insist on marking the cables, classifying them according to color, or taking some other types of special treatment to ensure that the relevant lines can be easily identified in any case.
5. The network cable and the cable form a parallel arrangement
The data line uses the "twisted pair" (unshielded twisted pair) mode for transmission. The magnetic field generated by the operation of low voltage through wires is an important part of the communication chain. When the unshielded network cable is parallel to the wire, the problem of magnetic field interference will occur, which will cause a lot of repetition and garbled information in the transmitted data. In many cases, this will result in the failure of effective transmission between the two places, the transmission rate will drop rapidly, and the problem of repeated transmissions frequently occurs.
Six, regardless of the actual distance restrictions
Before starting the wiring, you should first confirm the distance and range that need to be connected. Taking a typical Ethernet wiring using ordinary twisted pair 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 as the standard. For example, if the company intends to use twisted pair to run a 10 Gigabit network over a distance of more than 100 meters, it must choose a 6A or higher network cable.
7. Neglect to test the line
After the wiring work is completed, various tools should be used to test each line to ensure that they can meet the predetermined requirements. The work involved includes 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.
8. There is no reasonable planning for the new line
When we need to use Ethernet switches in the network to deal with the newly added lines, we need to specifically explain that before there is scientific and reasonable planning, the rash use of Ethernet switches will bring unknown factors and Stable risk. Generally, users who use micro switches often only need to add one or two ports, so there is no need to plan traffic. However, due to the addition of additional ports, it may cause problems. If the new service requires a lot of network resources to support, it is necessary to avoid bottlenecks. Therefore, it should be noted that when there is no absolute need to add switches and network ports, it is necessary to consider other methods for network capacity expansion, such as adding new lines to expand the network scale.
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