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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. Apple Attachment Unit Interface - Wikipedia

    en.wikipedia.org/wiki/Apple_Attachment_Unit...

    AAUI signals have the same description, function, and electrical requirements as the Attachment Unit Interface (AUI) signals of the same name, as detailed in IEEE 802.3-1990 CSMA/CD Standard, section 7, [4] with the exception that most hosts provide only 5 volts of power rather than the 12 volts required for most AUI transceivers.

  4. Lightning (connector) - Wikipedia

    en.wikipedia.org/wiki/Lightning_(connector)

    Apple offers various adapters that allow the Lightning connector to be used with other interfaces, such as 30-pin, USB, HDMI, VGA, and SD cards. The Lightning to 30-pin adapter supports only a limited subset of the available 30-pin signals: USB data, USB charging, and analog audio output (via the DAC inside of the adapter [27]).

  5. List of Apple products - Wikipedia

    en.wikipedia.org/wiki/List_of_Apple_products

    iPhone SE (2nd generation) iPhone: March 8, 2022 May 4, 2020 MacBook Pro (13-inch, 2020, Four Thunderbolt 3 ports) MacBook Pro: October 18, 2021 MacBook Pro (13-inch, 2020, Two Thunderbolt 3 ports) MacBook Pro: November 17, 2020 August 4, 2020 iMac (Retina 5K, 27-inch, 2020) iMac: March 8, 2022 September 18, 2020 Apple Watch Series 6: Apple ...

  6. 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 ...

  7. iPhone SE - Wikipedia

    en.wikipedia.org/wiki/IPhone_SE

    The iPhone SE is a series of lower-cost smartphones, part of the iPhone family developed by Apple. It may refer to: iPhone SE (1st generation), released in 2016; iPhone SE (2nd generation), released in 2020; iPhone SE (3rd generation), released in 2022; iPhone SE (4th generation), released in 2025