With the gradual maturity of Wi-Fi technology, various Wi-Fi terminals such as laptops, PDAs, dual-mode mobile phones, Wi-Fi-enabled game consoles, and instant digital cameras have sprung up in the market. It is getting lower and lower. Compared with several other wireless communication technologies, the advantages of Wi-Fi technology are very obvious. Compared with 2G/3G, Wi-Fi bandwidth is 10 times that of 3G, and the cost of networking is much cheaper than 3G. Although the WiMax technology is advanced, the terminal price remains high, and the license policy is unclear, which restricts its development. Therefore, Wi-Fi is a wise choice as a complement to 3G data services. Major operators at home and abroad have stepped up the construction of Wi-Fi LAN/Metropolitan Area Network (WLAN), which has set off a boom in hotspots, hotspots and even wireless cities, and many companies are also involved. However, while increasing efforts to invest in wireless WLAN construction, many enterprises are also faced with many real problems: how to quickly deploy business? How to deploy with the wired broadband metropolitan area network? How to achieve effective management? It is precisely because of these problems that enterprises face greater risks in the networking process. They are worried that the initial investment is too large, and they are not proportional to the income. At the same time, they are afraid that the maintenance cost will be too high and they will be overwhelmed. Is there a good solution? Perhaps the idea of ​​this program can help you solve this problem. How to provide better service in WLAN, an open network is a problem that must be considered when constructing a WLAN network. It must achieve rapid deployment and protect user investment. At the same time, it must implement network traffic management and provide future-oriented device upgrade solutions for WLAN. The network provides a comprehensive and viable solution. In order to achieve this goal, the dual-mode AP networking mode, which is fat and thin, may be the best choice at present, which can solve the problems of excessive initial investment and difficulty in upgrading in the networking process. For users with insufficient investment budget, the dual-module solution that is fat and thin can effectively protect the user's investment. The new AP can support free transition between fat/thin APs, thus achieving a smooth transition from "fat" to "thin". In the initial stage of network construction, the fat AP mode is conducive to the rapid deployment of services. As the network scale continues to expand, the fat AP is upgraded to the thin AP mode by commands, and then the wireless controller is added to achieve a smooth transition, thereby achieving unified management and deployment of the AP device, and protecting the upfront investment. Currently, this networking solution is being adopted by most networking users. Tips: What are fat APs and thin APs? An access point (AP) is also called a wireless bridge or a wireless gateway, which is also called a "thin" AP. Its transmission mechanism is equivalent to a hub in a wired network, and it continuously receives and transmits data in a wireless local area network; any PC with a wireless network card can share resources of a wired local area network or even a wide area network through an AP. In theory, when a wireless AP is added to the network, the network coverage can be expanded exponentially, and more network devices can be accommodated in the network. The so-called "fat" AP is actually a wireless router. Unlike a pure AP, a wireless router generally has two interfaces, WAN and LAN, in addition to the wireless access function. Most of them support DHCP server, DNS and MAC address cloning, and VPN (Virtual Private Network) access, firewall and other security functions. When the fat AP mode is switched to the thin AP mode, the newly added wireless controller is faced with a failure or failure that causes the entire wireless network to be paralyzed, so the wireless controller must be redundant. However, the cost of purchasing a wireless controller is also difficult for many users to accept. The thin AP restores the working mode of the fat AP when the wireless controller fails. As a solution for emergency work, it becomes a key to solve this problem, but the premise is All APs must support fat/thin mode conversion, which is the key to ensuring program scalability and redundancy. A comprehensive selection of USB connectors are available with various combinations of form factors, interface and version types, vertical and horizontal configurations, as well as a unique new USB 2.0 Type-C charging option. Chances are Antenk have the right USB connector for you. USB A-Type Connector, USB B-Type Connector, USB Type-C Connector, Micro-USB A Connector, Micro USB B Connector, USB Mini-b (5-pin) Connector, USB Mini-b (4-pin) Connector, USB 3.0 A-Type Connector, USB 3.0 B-Type Connector, USB 3.0 Micro B Connector ShenZhen Antenk Electronics Co,Ltd , https://www.antenksocket.com
USB (Universal Serial Bus) was originally developed and introduced in 1996 as a way of setting up communication between a computer and peripheral devices by replacing many varieties of serial and parallel ports.
USB connectors have become the standard connection method for devices such as mice, keyboards, game pads & joysticks, scanners, digital cameras, printers and external hard drives.
Although designed for personal computers USB has become commonplace on other devices such as mobile phones, PDA's, video game consoles, AC power adaptors, memory sticks and mobile internet access dongles.
USB Connector Type
USB Type A
Also known as USB standard A connector, the USB A connector is primarily be used on host controllers in computers and hubs. USB-A socket is designed to provide a "downstream" connection intended for host controllers and hubs, rarely implemented as an "upstream" connector on a peripheral device. This is because USB host will supply a 5V DC power on the VBUS pin. As such, it is important to remember while purchasing USB cables it is safest to make sure at least one of the plugs is a USB A.
Though not that common, USB A male to A male cables are used by some implementers to make connections between two USB A style female port. Be aware that typical A-A cables are not intended for connection between two host computers or computer to hub.
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USB Type B
Also known as USB standard B connector, the B style connector is designed for USB peripherals, such as printer, upstream port on hub, or other larger peripheral devices. The primary reason for the development of USB B connectors were to allow the connection of peripheral devices without running the risk of connecting two host computers to one another. USB B type connector is still used today, though it is slowly being phased out in favor of more refined usb connector types.
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USB Type C
USB-C or USB Type-C connector is the newest USB interface came to the market along with the new USB 3.1 standard. Different from previously mentioned USB A type and B type connector, USB C Type connector can be used on both host controller ports and devices which use upstream sockets. In the last few years a numbers of laptops and cellphones have appeared on the market with C style USB connectors.
USB Type C connector is compatible with USB 2.0, 3.0, 3.1 Gen 1 and Gen 2 signals. A full feature USB 3.1 Gen 2 C to C cable is able to transmit data at maximum 10 Gbps with enhanced power delivery of up to 20V, 5A (100W) and to support DisplayPort and HDMI alternate mode to transfer video and audio signal.
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USB Mini B
Similar to USB B type connector, USB mini B sockets are used on USB peripheral devices, but in a smaller form factor. The mini B plug by default has 5 pins, including an extra ID pin to support USB On-The-Go (OTG), which allows mobile devices and other peripherals to act as a USB host.
Initially, this plug was designed for earlier models of smartphones, but as smartphones have become more compact and with sleeker profiles, the Mini USB plug has been replaced by the micro USB. Now, the Mini-B is designed for some digital cameras while the rest of the mini plugs series have become more of a legacy connectors as they are no longer certified for new products.
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USB Micro B
The micro USB B connector essentially a scaled down form of the mini USB which allowed mobile devices to get slimmer while still maintaining the ability to connect to computers and other hubs.