Correct use of the cabling system to increase network speed

The factors that affect the speed of LAN Internet cafes are generally caused by some small details that some wiring personnel do not pay attention to. Therefore, pay attention to the following elements:

1. Integrated Wiring Design

During the wiring design, the switch, especially the device status of the main switch, must be designed. The popular cat5e twisted pair wires have a theoretical Transmission Interval of no more than 100 meters, and the practice is about 95 meters, therefore, when a device switch is deployed, the minimum interval must be used as the status of the device switch.

The switching level is cascade to extend the transmission interval of twisted pair wires, which does not mean that the network cable can be infinitely extended. After the four switches in the cascade, there is no signal, the loss of the transmission. Therefore, in the integrated wiring design, it is necessary to think about the transmission interval of the network transmission medium, the longer the interval, the greater the signal loss, the lower the transmission quality.

2. network transmission media selection

The primary network transmission medium used by Internet cafes is a network cable, which is commonly known as twisted pair wires. When selecting a network cable, you can spend a lot of money to buy an authentic cat5e network cable. If you think that the AMP network cable is too expensive, you can think about other Chinese brands, but you must pay attention to the quality of the network cable, it is best to test it early. In MB network conditions, the dual-host file transfer should be normal at around 10 MB (note: the network speed is based on "bits" (lowercase "B"), rather than "Bytes" (Capital "B")-100 MB/s network speed = 12.5 MB/s )).

We need to analyze the concept of network transmission speed. What we usually call the bandwidth of optical fiber, such as a 10 MB optical fiber, is that the transmission bandwidth of optical fiber is 10 Gb/s. The data transmission speed of a hard disk is usually measured in megabytes. For example, the data transmission speed of a hard disk in the DMA66 format is 66 MB per second. A byte consists of eight digits.

Therefore, the maximum download speed of a 10 MB optical fiber can theoretically only reach MB, and the network loss, that is, about 1 MB, is normal. Many of us think that the download speed of a 10 MB optical fiber can reach 10 MB, which is incorrect.

3. Network Connection media selection

Similarly, it cannot be used too often as a connector for connecting network cards and network cables. Some bosses use a few cents a connector to save money, saving money, putting a stumbling block to my business.

The choice of the crystal head, the general choice of about 1 yuan crystal head, if there is a premise, you can choose the real AMP crystal head. Network cable practice is the transmission of electrical signal, if the quality of the crystal head is too bad, the formation of poor contact, affecting the transmission results.

4. Reasonable cabling

When wiring, check whether there is any disturbing source in the vicinity, and try to prevent the connection from being in the same line trough as the air conditioning line and power line.

5. strictly follow the wiring rules

Network cable practice, a lot of wiring staff, randomly put the network cable into a line Order on the card, this is a great factor affecting the network speed. The network cable has two Connection Methods: 568A and 568B. We often use the 568B wiring method. After carefully studying the line sequence, you will know why the line sequence of 568A and 568B can reach the fastest network speed. According to the wiring rules, the correct line Order of Line 1 to line 8 is: 1 orange White 2 orange 3 green white 4 Blue 5 blue white 6 green 7 brown white 8 Brown

We use line 1236, line 568B, line 13 for data transmission, and line 26 for acceptance. Let's turn on the twisted pair. We can see that line 12 is surrounded, and the current bias is the opposite. It can offset the interference and achieve the maximum network transmission speed. The same is true for Line 36.

6. Switch Selection

With the addition of online games, the data exchange volume is gradually increasing, and the data exchange requirements for Internet cafes are getting higher and higher. Therefore, when selecting a switch, you must select a switch with a fast network speed. The current network situation has been widely used in the case of Mbit/s. Therefore, the master switch must adopt a Gigabit Switch. Reasonable switch selection can prevent network bottlenecks and greatly improve the network transmission quality.

7. routing device Selection

When selecting a routing device, we can choose three types of routing devices: acting server, hardware router, and software router. Owners can select appropriate routing devices based on their actual situation.

The lowest skill level is the acting server, which generally uses 2 K or 2003 as the acting server. Here there is also a problem that cannot be ignored. When I use 2 K as the proxy server, many skills use the sharing method, which affects the network speed.