USB Ports - Plug In's And Hub's How Are They Different?
USB ports are not named in the same manner as serial or parallel ports. USB ports have been standard on most desktop PCs for nearly a year and a half now and have started showing up on notebooks since around the first of this year. USB is a Plug and Play interface between peripherals such as Digital Cameras, PC Video cameras, mice, and printers. USB also has the advantage that it can provide power to a peripheral device. USB is hot-swapable and you may connect and disconnect devices at any time without re-booting or restarting your computer. USB flash drives, just like nearly every other piece of computer hardware, contain delicate components and processes that require good care to continue working well. Just stick a USB Flash drive into any free USB port on your computer and the backup occurs instantly.
While USB ports have made computing much more convenient, these ports have also introduced a security threat that could subject many computer users to identity theft and data theft. To prevent attempts to gain access to your computer via your USB ports. Simply create a white list of all of the USB devices that you want to allow on your computer. The program will recognize each of your thumb drives, external disk drives, MP3 players, and other USB devices, and add them to its list of accepted hardware. Once your list is complete, it will guard your computer against new USB devices that have the potential of allowing people to hijack your valuable data. Also prevent untrusted USB devices from working. In addition, the program can send you an email notification each time somebody attaches a USB device to your desktop or laptop. It will also maintains a security log of all attempts to gain access to your computer via USB pen drives, iPods, card-readers, or any USB hardware.
Protecting your USB ports is as important as installing a firewall and maintaining anti-virus software. Whether you're a business person who needs to protect the computers in your office or store, a teacher who wants to keep students from downloading private information from the classroom computer, or a home user who needs to keep the neighbors and kids from accessing emails and financial data, This is the tool that you need.
Connectors
USB hub works the same way as the computer USB ports.Mini-hubs are allowed for multiple computer connections. A 5-port 10/100 Ethernet switch will be needed for multiple computer connections. It is important to be aware that under no circumstances can a telephone line splitter device be used for multiple computer connections. The hub plugs into one of the computer USB ports and the hub has four or eight expansion ports. Each signal has its own return path and connections are made with twisted pairs with an overall screen.