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Theoretically, the maximum length of a network cable cannot exceed 100 meters.
If the network cable has strong performance, tensile resistance and shielding interference, the longest length can reach about 120, and it is not recommended to be longer.
The reason why the network cable can't be too long:
The only languages that the computer can recognize are 0 and 1, and the signals that the network has to transmit are 0 and 1. These signals become current when they pass through the network cable, and the current intensity of the network cable is between -15V and +15V, and there is resistance when the current is transmitted through the network cable. Therefore, according to the principle of high-voltage transmission, the longer the line, the greater the voltage level must be used to transmit electricity.
If the network cable is too long, but the voltage is so low, the signal will be weakened until it is lost. Therefore, the network cable should not be too long.
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Theoretically, there can be 100 meters, and you check whether the route is bound to the NIC address.
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This is theoretically how long the network cable is, how long you can use, but in fact, the network cable, the distance is long, the network speed is lost, depending on the distance you are from the broadband access point, generally you can't drag it out, hundreds of meters and a few meters there is no difference.
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The network card chip is different, and the receiving capacity is also different. There are more notebooks suitable for mobile office, the wireless Internet function has been strengthened, and the use of fixed network function is basically weakened, so the integrated fixed network card reception and transmission ability will be a little worse, and when the distance is too far, there will be no signal.
It is not a matter of binding a MAC address. If the MAC address of the NIC is bound to the route, the network cannot be connected, but the local connection does not have a cross sign.
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With a network cable, there will be no signal attenuation at this distance, and the problem should be on the network card. However, if you change the settings, you need to change it on the switch, if your usual network card is used normally, it is likely that the switch is bound to the MAC address connected to the computer.
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The transmission distance of the network cable is theoretically 100 meters.
Of course, it is not that the signal cannot be transmitted if it exceeds 100 meters, but the transmission process is attenuated too much because the length of the network cable itself is too long, resulting in slow Internet speed, which is reflected in the fact that your ping package will be not smooth, the delay is large, and the packet drops phenomenon.
If it comes to the maximum, I let go of the 150-meter network cable and can still access the Internet, but only to ensure the basic network, the network speed can not be guaranteed, the network speed is slow, the ping package is not normal, and after 3 months, this network cable will be scrapped, because the length is too long, the small aging of the network cable makes the signal can not be effectively transmitted in the past, resulting in intermittent Internet access.
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The wire transmission distance of this twisted pair structure of the network cable is theoretically about 100 meters. Signals of more than 100 meters can also be transmitted, but the attenuation of the transmission process is too large because the network cable is too long, resulting in slow Internet speed, long delay time, packet drops and other phenomena.
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The quality of the network cable determines this distance, and the general network cable will not work for 100 meters.
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I pulled up to 260 meters and could use it.
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About 200 meters, I have actually tried a reliable brand, and it can be 305 meters in a whole box.
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The transmission distance of network cables is divided into twisted pair and coaxial cables.
A network cable is essential for connecting to a local area network. There are two main types of network cables in LAN: twisted pair and coaxial cable. Twisted pair:
When the water pat rolling spring flat cable is used as a data transmission, the permanent link is not more than 90 meters, and the channel is not more than 100 meters. Coaxial cable: 75-7 coaxial cable is about 200-250 meters, 75-5 is about 100-150 meters.
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The twisted pair cable is no more than 90 meters, and the coaxial cable is about 200-250 meters.
1. Twisted pair: When the horizontal cable is used as a data transmission, the permanent link is not more than 90 meters, and the channel is not more than 100 meters.
2. Coaxial cable: 75-7 coaxial cable is about 200-250 meters, 75-5 is about 100-150 meters.
The network cable between the home router and the computer is generally not longer than 50 meters, but the network cable length from the hub (switch) of the residential building to each residential unit is 100 meters, and the network cable more than 90 meters will cause network signal attenuation, increase interference along the road, and make the transmission data easy to error, which will cause network jamming, web page errors, etc.
The transmission of the network, in fact, is the transmission of the network signal on the twisted pair, as an electronic signal, when transmitted in the twisted pair, it must be affected by resistance and capacitance, which leads to the attenuation and distortion of the network signal.
If the attenuation or distortion of the signal reaches a certain extent, it will affect the effective and stable transmission of the signal.
Data information is transmitted in the network, and delays are generated when passing through different components, and the delay of five types of UTP is. When designing Ethernet, there is a trunking rule called the ** rule or the 5-4-3-2-1 rule, which applies not only to 10Mbps Ethernet, but also to Fast Ethernet.
This rule requires that the loop collision delay should not exceed 512 bits, which is 5120ns for a 100Mbps transmission rate. In the loop, the network elements include cables, relay units, MAU and DTE, etc., and their delays are added up and multiplied by 2 to obtain the loop delay, and the loop collision diameter can also be calculated.
According to this theory, the maximum distance that can be transmitted before a minimum frame is sent can be calculated. That's why the link span is limited to 100 meters.
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The transmission distance of network cables is divided into twisted pair and coaxial cables.
A network cable is essential for connecting to a local area network. There are two main types of network cables in LAN: twisted pair and coaxial cable. Twisted pair:
When the horizontal cable is used as a data transmission, the permanent link does not exceed 90 meters, and the channel does not exceed 100 meters. Coaxial cable: 75-7 coaxial cable is about 200-250 meters, 75-5 is about 100-150 meters.
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Within 100 meters of the network cable, there is almost no loss of network speed! 500 meters away, you can faintly feel the loss of network speed!
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It is generally best not to exceed 100 meters for twisted pair cables, and if it exceeds 100 meters, it can be used in an indirect switch or use optical fiber
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Theoretically, it can transmit 90 meters and 100 meters, but it depends on the network cable, the first point can reach between 100-150 meters, and the quality of the second point can be transmitted up to 90 meters.
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It depends on the power of your converter, if it is installed in an ordinary home, it is generally 50-100 meters.
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Yes, no problem, but sometimes packet loss may occur.
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It depends on what material of the network cable: for example: copper-clad steel can transmit 50 meters, copper-clad aluminum can transmit 80 meters, copper-clad copper can transmit 70 meters, oxygen-free copper can transmit 120 meters, and the middle cable can be supplemented.
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Theoretically, no, but in practice it is possible · It just can't achieve the most ideal effect· After using it for too long, it will affect the quality of the network. For example, the Internet speed is slow
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You're talking about a twisted pair cable, right? The theoretical distance can reach 100 meters, but most of the current network cables are not of good quality, so the actual can only reach about 80. Add repeaters to longer distances, or switch fibers.
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100 meters, this amount, just theoretically, in practice, it depends on the network cable, the general network cable, at 70 meters of network speed on the stuck
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It can be passed, the network cable is effective within 100 meters, you see if the crystal head has contact, see if it is a problem with the network cable, 80 meters is absolutely no problem, I have a result of 90 meters, I also use it at that time, no big problem.
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