what is sfp cable

I often see an introduction to the use of fiber-optic fast Internet access on the signboard at the entrance of an Internet cafe. As an internet cafe operator, do you understand the essence of fiber-optic Internet access? If you do not know, the following article will tell you what fiber optic Internet access is! An optical fiber is a network transmission medium

Network instability is not often easy to meet the problems of Internet users, many of the user in the game or watching movies often appear card machine, or the Web page is often not open and so on, then the speed of instability how to do? To solve the network instability, the most important thing is to find out the reasons for the instability of the network and t

The Raspberry Pi, who had been playing for a while, had planned to make it into a small, no-line route, but the relationship between time and energy was never successfully made.At the same time there are some arm development Board learning, suddenly one day found that the ARM board directly plug in the network cable can not be unable to surf the internet, but also think of the time to play Raspberry Pi configured over the Internet, at that time in ord

What is the function and working principle of fiber Switch fiber switch: Fiber Optic switch is a high-speed network transmission relay device, which uses fiber optic cable as transmission medium compared with ordinary switch. The advantages of optical fiber transmission are fast speed and strong anti-interference abili

1, USB typc-c in the end is what? USB type-c (USB-C), which has a new interface size and a slightly cool name, makes it very easy for the first time to hear this term as a small partner to think that this is a new USB standard, but in fact not. Type-c is only part of the USB 3.1 standard, not a new standard. The birt

friends know in the site stacked some keywords in Baidu rankings will be better. But I do not know if there is any information on the Google side of what is the case? If you are so piled up all over the station, Google will not hesitate to kill you. Mao will not leave you. Keyword This is to write your analysis when y

is (a or B or C) Form, that is , without the clock edge, synthesis or combination logic(2), always after the sensitive table is (Posedge clk) Form, that is, with the edge, the general is the timing logic, will contain triggers (flip-flop)In the design, the input signal in g

What is cloud computing? Cloud computing is an Internet-based super computing model. In a remote data center, thousands of computers and servers are connected to a single computer cloud. Therefore, cloud computing can even allow you to experience 10 trillion operations per second. With such powerful computing capabilities, you can simulate nuclear explosions, pre

The Affinity group (Affinity group) involves much more in azure, in addition to the usual virtual machine services, like storage, or cloud services that contain the concept of an affinity group, what exactly does an affinity group mean? When a user first signs in to an Azure subscription, there is no affinity group and needs to be added manually in Settings-affinity groups, such as:650) this.width=650; "tit

steps: (1), open antivirus software, to set-> detailed settings, find embedded antivirus, and then "use office/ie embedded antivirus" before the check cancellation. (2), to the antivirus Software Monitoring Center, cancel the "Enable file monitoring" settings. (3), under C:Program FilesMicrosoft officeoffice11startup (assuming office is installed under this path), delete two files Mathpage and MathType. Then restart Word, and you will open the fil

) and so on. What are the first-tier blue chips? These include: Sinopec, China Unicom, Baosteel, Angang xinrolling, wugang, Guangdong expressway, and Minsheng Bank. Second-line blue chips, generally speaking, the total share capital and tradable shares are smaller than the first-line blue chips, the stock price is generally higher, and institutions prefer, but because the price

People who often use computers may have heard that when a computer fails, Windows provides a platform called "Safe Mode" where users can solve a lot of problems-whether it's hardware (driver) or software. But will you use this safe mode? Today we are going to show you what it really is. First knowledge of Safe mode To enter Safe mode, as long as the start of the Non-stop press F8, the menu will appear, an

What if the Wi-Fi connection signal in win7 is weak? WiFi has become a part of our lives. whether in the home or office, as long as there is a Wi-Fi signal, mobile phones, laptops, tablets can be connected to the Internet. Some users found that the Wi-Fi network signal on the laptop Windows 7 system was weak, and they often couldn't open the webpage, or the netw

Arduino, it simply transmits, regulators, and filters the external power supply to the Arduino. There are several ways to power Arduino, the simplest and most original way to power it through a USB cable connected to a PC.D). The Arduino board offers 4 sets of expansion sockets, 2 sets of sockets on the top edge of the PCB including the digital pins, as well as analog reference level inputs and additional ground connections, and the TX and RX pins of

NIC, also known as network adapter, is the most important connection device in the computer network. The function of the network card ⑴ represents the fixed network address data transferred from one computer to another computer, that is, from a network card to another network card, that is, from the source network address transmission to the destination netwo

The reason why the common Internet slows down The reason for this is that your broadband line is aging, or it is damaging (router) Reason two, if the computer and other computers share a network cable, it may be your computer by the ARP virus attack Reason three, there is

What are the laptop hard drive interfaces? Notebook hard disk has two kinds, one kind of ATA interface, commonly known as IDE hard disk, another kind is now more commonly used SATA interface, serial port hard disk, but a few years ago machine also bad judgment is that kind of hard disk, use recognition software to identify a bit to know. The following

Oh, Java? Angels I'm too imaginative, are you? Is Java, correctly said it is an English word, and no Chinese translation, at least I did not know for more than 10 years. If you know the reading of the words, and the idle egg pain, you can tell me (personal number: jyl_king).Java specifically, is actually a computer language,