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specification mandates appropriate color-coding while it only recommends blue inserts for Standard-A USB 3. ns/ft, 192 000 km/s), which is close to the maximum achievable transmission speed for standard copper wire. When a device detects it is plugged into a charger with a compatible faster-charging standard, the device pulls more current or the device tells the charger to increase the voltage or both to increase power (the details vary between standards). The mini and micro formats may connect to an AB receptacle, which accepts either an A or a B plug, that plug determining the behavior of the receptacle. USB has been selected as the standard charging format for many mobile phones, reducing the proliferation of proprietary chargers.
If the cable has a Type-A connector at one end (as in the above image), that will usually be the first type.provides for a maximum cable length of 5 meters (16 ft 5 in) for devices running at high speed (480 Mbit/s). It is commonly used in point of sale systems to power peripherals such as barcode readers, credit card terminals, and printers. A common part and alternative to *Molex 47346-0001, *TE 1981568-1, *FCI 10103594-0001LF, *Hirose ZX62D-B5P8.
CMD are a British manufacturing company that provides high-power systems to enhance office and homeworking environments. When adding USB device response time, delays from the maximum number of hubs added to the delays from connecting cables, the maximum acceptable delay per cable amounts to 26 ns.Though not common, A-A cables connect USB devices with an A-style Female port to a PC or another USB device for data transfer between two computer systems.
On the device side, a modified Micro-B plug (Micro-B SuperSpeed) is used to cater for the five additional pins required to achieve the USB 3. Native DisplayPort video and four channel audio supports computer monitors, HDTVs, surround sound systems, and headphones. How to configure the system to charge devices over USB port when it is off - idea/Lenovo laptops - NL". In a charge-only cable, the data wires are shorted at the device end, otherwise, the device may reject the charger as unsuitable.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 devices. 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. Consisting of a type of cable and connector, many electronic devices will have a USB connection available, including in vehicles and modern workstation power systems. Bill has always understood the challenge of basing the existence of AudioQuest on the performance of the product. USB PD Power Rules replace power profiles, defining four normative voltage levels at 5 V, 9 V, 15 V, and 20 V.
The Micro USB plug is inserted into your mobile device and the Type A plug is inserted into the female USB port on the host PC (or charger). In most cases, these items contain no digital circuitry, and thus are not standard-compliant USB devices.Micro USB used to be the go-to option for charging portable devices like smartphone and tablets, but they are still used by plenty of devices today as a cheaper alternative to USB-C. USB, which stands for Universal Serial Bus, refers to the system that transfers data between computers or between components within a computer, such as a keyboard or a mouse. You plug the Type-B connector into the printer, scanner or other device and the Type A connector into the standard USB port on your computer. 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 5 A and 20 V depending on supported profile. The Chinese technical standard: "YD/T 1591-2006, Technical Requirements and Test Method of Charger and Interface for Mobile Telecommunication Terminal Equipment" (PDF).
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