Network basic knowledge wiring method

xiaoxiao2021-03-06  18

Network wiring method! (

http://arch.pconline.com.cn/pcedu/soft/lan/jywzj/0406/389448.html)

I think everyone should be quite familiar with the connection of the network cable, so I just briefly introduce the connection method of the network cable:

Because this article only pays attention to practicality, just talk about the next method of common network cable and avoid professional terms. (If you have nothing wrong, please advise)

We often say that the network cable is generally divided into two, "positive line" "anti-". How can I pick up in the end, when will I use my negative line?

Positive line line method: That is, straight line, 568B

Tie head a orange white, orange, green white, blue, blue white, green, brown, brown

Tablet head B orange white, orange, green white, blue, blue white, green, brown, brown

That is to say, the positive line is the same as the two ends of the line. The positive line is much more running. Generally used,

Computers and switches are connected, computer, and hubs are connected. Anti-line cable method: the cross line 568a

Tread head A: Orange, Orange, Green White, Blue, Blue White, Green, Brown, Brown

Tread head B: Green White, Green, Orange, Blue, Blue White, Orange, Brown, Brown

That is, the positive line,

Interchanges of 1, 3 and 2, 6. The opposite is generally used,

Double-machine interconnection, hub and hub connection, switches, and switches. After the line, use your hand to pinch, you can get it straight, you can get the network cable straight together, close together, cut off the extra line, put the crystal head card, set, to ensure each The wires are in contact with the wire inside, and the web wire clamps are clamped.

Sometimes everyone may also find that whether it is a positive or negative, connected to the switch, the network can pass. Don't be curious for this, because the new exchanger currently produced is generally positive and anti-line adaptive.

Any Windows system, if you want to see other computers in the online neighbors, you must be in the same network segment (the subnet mask: 255.255.255.0), it is best to be in the same working group. At least the network protocol, the TCP / IP protocol (IPX compatible protocol is preferably also installed). Microsoft network users, networks, and printer sharing, the corresponding network card driver I don't want to say it. It is best to give you a specified IP address for each computer.

Win98 network!!

Now there is a part of the computer to use Windows98 system, in terms of network sharing, often only touch some surface things, and I can't find a little bit of small problems.

In the case of ensuring that the appeal network protocol is installed, the following cases may occur:

1. Open the online neighbor only an icon "The entire network" but click later, you are not allowed to access. But can I access a web page or ping?

A: Maybe you have some "cancel" when you log in to the 98 system, not the "determination", 98 systems are not very strict on the user, but after entering the network, there must be an identity on the network to access the network. Therefore, everyone remembers that it is best not to "cancel" when entering the system.

2. Open the online neighbor only see "The entire network" and the icon of your own computer.

A: You can be sure, your network cable is not connected, or the network switch has not opened

3. My computer can open the web, you can also see other computers, but open the speed of the online neighbors "The flashlight is half-day", and the online neighbor is copied, and when using the ping gateway, there is "packet loss" situation Why is that? A: There may be a lot of this problem. First, your network wiring is not good, especially in the old network card, together with a worse crystal head, which often occurs. Second, it is that the crystal head is not tightened. Third, there are many problems with the network card. The appeal is only possible to affect your copy. Fourth, in the same network, there is one or more computer network cards or wiring problems, in the case of the network interrupt, when you open the online neighbors, the computer will keep the computer will not stop him in the Internet, thus The opening speed of the entire online neighbor, even let you see another computer (online neighbor, the computer opens a public port, waiting for other computer access, if there is a computer attempt to scan this port, this The opportunity will give him a check immediately to determine that his online neighbor is slowed down, or sometimes a computer card for a few seconds.

Win2000 network

Using 2000 users, you must give you more "user" concepts. 2000 has improved security, so the user is restricted on network access. If you use the NTFS partition, you can also indicate a single folder or file. Clips Specify the permissions to open or access.

If the network of the pure Win2000 system, few problems that cannot be coupled. Win2000's default super user name: administrator password: generally no (but I bought the 2000 professional version of the previous day, it is fully installed after installation Automatic login, but the password is not empty, what I don't know, but you can automatically enter, so I suggest that everyone will change the system password after they will change it.

WIN98 and WIN2000 network

Because the two systems are in the same family, but not a version, so the same network is still the same, that is, the users I mentioned above should pay attention, but it is often the user, causing us to make a little friends. Do not understand. There are several possible problems in writing below:

1. You can see the other machine icon in my network, but 2000 can access 98 sharing, and 98 cannot access 2000 sharing, prompt to enter a password, but how to lose! What is going on?

A: Because you can see the icon of the other computer, the network is connected, including IP and other related settings are not wrong, but why not access, error?

A: It is because the user restrictions of the 2000 system are caused. After the system of 2000 is just after being installed, the default guest (guest user) user is not open, and the corresponding settings can be found in "Computer Management". You can visit the checkpoint before the account has been discontinued. But in my actual use, it is found that the GUEST user does not open or not access the 2000 system, which is the local security policy in the 2000 system limits the access to the guest user. The solution is to make a corresponding modification in the native security policy. Or add a user on the 2000 system (pay attention to adding the user, after adding the user property, the next entry must change the password) Next, 98 is available to log in to the system to access the system to access the system to access the system. .

2. Why do I prompt me if I use 98 to visit 2000, I have no right to access, this is my computer, why there is no power?

A: Because 2000 is caused by user security restrictions, you may enter the system's username and password, and the corresponding username and password on the 2000 system are different. The solution is to improve the two passwords. WinXP. Networked network

In terms of XP network users, you can use the 2000 system method. After the XP system is just installed, it is recommended to run the home network wizard, or you will ask you to enter your password (refer to the user's corresponding settings), but always Pull. There is no difference in others! When the interviews between 98 and XP, only pay attention to the appeal is two points, it can be solved.

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