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Comparison of legacy USB connector plugs, omitting the current standard Type‑C plugs. (All three Micro connectors are shown inverted.) Unlike other data buses (such as Ethernet), USB connections are directed; a host device has downstream-facing ports that connect to the upstream-facing ports of peripherals.
Standard USB hub ports can provide from the typical 500 mA/2.5 W of current, only 100 mA from non-hub ports. USB 3.0 and USB On-The-Go supply 1.8 A/9.0 W (for dedicated battery charging, 1.5 A/7.5 W full bandwidth or 900 mA/4.5 W high bandwidth), while FireWire can in theory supply up to 60 watts of power, although 10 to 20 watts is more typical.
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 ...
USB-C, or USB Type-C, is a 24-pin, reversible connector (not a protocol) that supersedes previous USB connectors and can carry audio, video, and other data, to connect to monitors, external drives, hubs/docking stations, mobile phones, and many more peripheral devices. It can also provide and receive power, to power, e.g., a laptop or a mobile ...
The front panel data port (FPDP) is a bus that provides high speed data transfer between two or more VMEbus boards at up to 160 Mbit/s with low latency. The FPDP bus uses a 32-bit parallel synchronous bus wired with an 80-conductor ribbon cable. [1] The following interface functions are supported: [2]
The Y500 is a modular laptop, where the BD/DVD drive [14] could be switched out for adding another Graphics card, [15] another Hard Drive, [16] or another exhaust fan with new feature called Always-On USB, a port which will ensure that even when your system is switched off and unplugged from the mains, you will be able to charge your mobile ...
Additionally, USB ports are color-coded according to the specification and data transfer speed, e.g. USB 1.x and 2.x ports are usually white or black, and USB 3.0 ones are blue. SuperSpeed+ connectors are teal in color. [2] FireWire ports used with video equipment (among other devices) can be either 4-pin or 6-pin. The two extra conductors in ...
The iPad is designed to be charged with a high current of 2 amps using the included 10 W USB power adapter and USB cord with a USB connector at one end and a 30-pin dock connector at the other end. While it can be charged by an older USB port from a computer, these are limited to 500 milliamps (0.5 amps).