Belkin USB 2.0 Cable USBA-USBB in Charcoal 1.8m

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USB-B port isn’t as wide as a USB A port, and it also has a tiny rectangular hole in the middle. It is usually not used on modern computers. But it is commonly found on printers, routers, and scanners. USB-C

If it’s old or has been roughly handled, it might not work right anymore. Change the cable and see if that resolves the issue.USB ports come in different shapes and designs. Originally, there were just two USB types, USB-A and USB-B. Now, USB-C is joining the game and now changing everything.

A和Type-B根据支持的USB标准不同，又可以分为USB 2.0和USB 3.0标准USB接口。根据接口的颜色，我们很容易区分该接口是支持USB 2.0还是支持USB 3.0的。Type-A型接口也是我们日常生活中最常见的USB接口，广泛应用于鼠标、键盘、U盘等设备上，Type-B型则常用于打印机、特殊显示器等设备上。 2、Mini USB接口 Both USB-A and USB-B have micro versions. Micro USB is a very common USB connector you will find in many smartphones these days. However, with the advent of USB Type C, Micro USBs are slowly getting phased out in newer models of high-end smartphones. But Micro USB is still widely used in budget smartphones and other electronic devices worldwide. Lightning Cable Like Lightning and MagSafe, the USB-C connector has no up or down orientation. Line up the connector properly, and you never have to flip it over to plug it in; the "right way" is always up. The standard cables also have the same connector on both ends, so you don't have to figure out which end goes where. That has not been the case with all the USB cables we've been using for the past 20 years. Most of the time, you have different connectors at each end. Malgré cela, le problème central avait été déplacé plutôt que résolu. Si l’impulsion d’origine visait un standard simple d’usage, le chaos des anciennes connectiques avait été remplacé par une nouvelle jungle de formats USB. Certes, ils ont eu le mérite de combiner les câbles d’alimentation avec ceux convoyant les données, mais pas beaucoup plus. Il n’y a pas eu d’homogénéisation, pas plus que de modèle universel et unique. But USB-C is different—and perhaps it's even as truly universal as its acronym (Universal Serial Bus) suggests. USB-C ports are now found on all manner of devices, from simple external hard drives to high-end laptops and, after a long holdout session, the Apple iPhone. While every USB-C port looks the same, not every one offers the same capabilities. USB-C may now be ubiquitous, but it doesn't serve the same functions everywhere. Not by a long shot.

This broad acceptance by the big dogs is important, because it's part of why USB-C has been so readily accepted by PC manufacturers. Contrast this with the earlier Apple-promoted (and developed) Lightning connector, which had limited acceptance beyond Apple products and is facing obsolescence, thanks in no small part to USB-C. USB-C is so broadly accepted that the European Union, hoping to simplify digital life, will require devices to use it for battery charging starting in 2024. Modern Apple devices, like iPhones and iPads, often have an entirely different kind of USB connector – the Lightning cable. The cable has a thin, rectangular connector on one end and a Type C connector on the other end. Lightning cables are reversible, i.e., they can be plugged in either way without worrying about which is the right side up.