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2. USB hub - Wikipedia

   en.wikipedia.org/wiki/USB_hub

   A four-port "long cable" "external box" USB hub A four-port "compact design" USB hub: upstream and downstream ports shown. A USB hub is a device that expands a single Universal Serial Bus (USB) port into several so that there are more ports available to connect devices to a host system, similar to a power strip. All devices connected through a ...

3. Docking station - Wikipedia

   en.wikipedia.org/wiki/Docking_station

   In computing, a docking station, port replicator (hub), or dock provides a simplified way to plug-in a mobile device, such as connect common peripherals to a laptop, or charge a smartphone. Because a wide range of dockable devices—from mobile phones to wireless mouse —have different connectors, power signaling, and uses, docks are ...

4. USB - Wikipedia

   en.wikipedia.org/wiki/USB

   High-speed USB 2.0 hubs contain devices called transaction translators that convert between high-speed USB 2.0 buses and full and low speed buses. There may be one translator per hub or per port. Because there are two separate controllers in each USB 3.0 host, USB 3.0 devices transmit and receive at USB 3.0 signaling rates regardless of USB 2.0 ...

5. USB hardware - Wikipedia

   en.wikipedia.org/wiki/USB_hardware

   To allow for voltage drops, the voltage at the host port, hub port, and device are specified to be at least 4.75 V, 4.4 V, and 4.35 V respectively by USB 2.0 for low-power devices, [a] but must be at least 4.75 V at all locations for high-power [b] devices (however, high-power devices are required to operate as a low-powered device so that they ...

6. USB communications - Wikipedia

   en.wikipedia.org/wiki/USB_communications

   Full speed (FS) rate of 12 Mbit/s is the basic USB signaling rate defined by USB 1.0. All USB hubs can operate at this rate. High speed (HS) rate of 480 Mbit/s was introduced in 2001 by USB 2.0. High-speed devices must also be capable of falling-back to full-speed as well, making high-speed devices backward compatible with USB 1.1 hosts ...

7. List of Microsoft Surface accessories - Wikipedia

   en.wikipedia.org/wiki/List_of_Microsoft_Surface...

   A USB-C "travel dock" was released at the same time as Surface Dock 2 with lower power usage and five ports: Ethernet, HDMI, VGA, USB-A and USB-C (charging limited to 12W.) Unlike the Surface Docks, the Travel Hub connects to Surface Devices with USB-C ports including the Surface Pro 7, Surface Book 2, Surface Go, Surface Laptop Go, Surface ...