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If the cable has a Type-A connector at one end (as in the above image), that will usually be the first type. The second will be the shape of connector that will plug into your device.
Universal phone charger standard approved—One-size-fits-all solution will dramatically cut waste and GHG emissions". ITU (press release). Pressinfo. 22 October 2009. Archived from the original on 5 November 2009 . Retrieved 4 November 2009.USB Type-C Revision 1.0" (PDF). USB 3.0 Promoter Group. March 1, 2021. Archived (PDF) from the original on November 3, 2021 . Retrieved November 3, 2021. Lam, Crystal; Liu, Harry (October 22, 2007). "How to conform to China's new mobile phone interface standards". Wireless Net DesignLine. Archived from the original on May 14, 2014 . Retrieved June 22, 2010. The first Power Delivery specification defined six fixed power profiles for the power sources. PD-aware devices implement a flexible power management scheme by interfacing with the power source through a bidirectional data channel and requesting a certain level of electrical power, variable up to 5A and 20V depending on supported profile. The power configuration protocol can use BMC coding over the CC wire if one is present, or a 24MHz BFSK-coded transmission channel on the V BUS line. The USB-C connector supersedes all earlier USB connectors and the Mini DisplayPort connector. It is used for all USB protocols and for Thunderbolt (3 and later), DisplayPort (1.2 and later), and others. Developed at roughly the same time as the USB3.1 specification, but distinct from it, the USB-C Specification 1.0 was finalized in August 2014 [24] and defines a new small reversible-plug connector for USB devices. [25] The USB-C plug connects to both hosts and devices, replacing various Type-A and Type-B connectors and cables with a standard meant to be future-proof. [24] [26]
If you are interested in USB chargers for your office but are unsure of your choices, read our guide on how to choose a USB charger here. What are the different types of USB ports?
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Although USB Type A is still the most used connector, the USB Type C are becoming increasingly more popular. Type C connectors differ in appearance compared to the previous USB types, as they are asymmetrical and have a small and thin appearance. One major difference is that the USB C is reversible; meaning it does not matter which way the connector is facing. Connector properties [ edit ] Non-standard "USB extension cable", plug on the left, receptacle on the right. (USB does not allow extension cables. Non-standard cables may work but cannot be presumed reliable.) Mobile phones to adopt new, smaller USB connector" (PDF) (Press release). USB Implementers Forum. 4 January 2007. Archived (PDF) from the original on 8 January 2007 . Retrieved 8 January 2007.
The intent is to permit uniformly charging laptops, tablets, USB-powered disks and similarly higher-power consumer electronics, as a natural extension of existing European and Chinese mobile telephone charging standards. This may also affect the way electric power used for small devices is transmitted and used in both residential and public buildings. [61] [62] The standard is designed to coexist with the previous USB Battery Charging specification. [63] No matter the USB type, our workstation power devices can charge a variety of devices, including the relatively new USB Type C. It is safe to say that almost all electronic devices, including smartphones, laptops, tablets, desktops, Bluetooth speakers, and so on, rely on USB ports and cables for various functions. Lex Friedman (25 February 2013). "Review: Logitech's Ultrathin mini keyboard cover makes the wrong tradeoffs". macworld.com. Archived from the original on 3 November 2013 . Retrieved 29 October 2013. The main difference between versions is the shape, as the rounding has been altered due to the increase of the number of pins; allowing a faster data transfer.There are so-called cables with A plugs on both ends, which may be valid if the "cable" includes, for example, a USB host-to-host transfer device with two ports. [3] This is, by definition, a device with two logical B ports, each with a captive cable, not a cable with two A ends. It is also reversible, i.e., it can be plugged in either way without worrying about which is the right side up. USB cables exist with various combinations of plugs on each end of the cable, as displayed below in the USB cables matrix.
In addition to his extensive writing experience, Chris has been interviewed as a technology expert on TV news and radio shows. He gave advice on dark web scans on Miami's NBC 6, discussed Windows XP's demise on WGN-TV's Midday News in Chicago, and shared his CES experiences on WJR-AM's Guy Gordon Show in Detroit. The GSM Association (GSMA) followed suit on February 17, 2009, [88] [89] [90] [91] and on April 22, 2009, this was further endorsed by the CTIA – The Wireless Association, [92] with the International Telecommunication Union (ITU) announcing on October 22, 2009, that it had also embraced the Universal Charging Solution as its "energy-efficient one-charger-fits-all new mobile phone solution," and added: "Based on the Micro-USB interface, UCS chargers will also include a 4-star or higher efficiency rating—up to three times more energy-efficient than an unrated charger." [93] EU smartphone power supply standard [ edit ] a b Universal Serial Bus 3.0 Specification: Revision 1.0. June 6, 2011. p.531. Archived from the original on December 30, 2013 . Retrieved April 28, 2019.Broad Manufacturer Agreement Gives Universal Phone Cable Green Light" (Press release). OTMP. September 17, 2007. Archived from the original on June 29, 2009 . Retrieved November 26, 2007.
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