Understanding USB specifications for selecting the correct cables, plugs, and jacks
bandwidth the devices were required to handle. The technology also allowed the cables and connectors to be compatible with up to 900 mA of current, plus provided greater power efficiency for use with power-hungry devices. Note that the USB 2.0 standard version connectors and USB 3.0 standard connectors provide radically different specifications. Be sure to match an application to the specific capabilities of the USB connectors and cables you plan to incorporate. USB 2.0 connectors can be recognized because USB 2.0 ports are black, while USB 3.0 ports are blue. USB 3.0 devices are backward compatible and will work with other USB versions, such as USB 2.0. However, the connection will be limited to the maximum speed of the USB 2.0. By about 2012, USB 3.0 was used on all new computers and became a manufacturing standard. These devices can be found in most industries that use USB cables to connect everything from sensors and transducers to data hubs, controllers, and computers.
including nonstandard configurations based on a customer’s specific application requirements. Their entire line of USB cable assemblies meets USB 2.0, USB 3.0, and/or USB 3.1 standards and comes in a wide variety of shielded and unshielded lengths. Additional cable connector options are also available, such as DC power plugs and blunt cut or stripped and tinned terminations. Cable assemblies are sheathed in either PVC or a TPE, halogen-free jacket material. In addition, customized USB connector overmolds with additional features are also available upon request.
For cable and cord assemblies, GlobTek, Inc. provides a wide variety of lengths from 100 mm and longer, as well as multiple colors for use in sensitive equipment where quick visual identification is a definite plus. Many off-the- shelf products are available with standard terminations, plugs, and receptacles already installed. USB Types have specific uses in most commercial and industrial settings. For example, USB Type-A are used with power outlets and computers for charging devices. Since these connectors and cables, such as the USBA2C1MOUSBCR shown in Figure 1, only go into the device port one way, users cannot easily connect them incorrectly. USB Type-B ports are often used to connect peripheral devices — such as printers, scanners,
USB cables and cord assemblies
A full offering of USB cables and cord assemblies is available in multiple configurations and combinations from GlobTek,Inc.,
Figure 1: Shown is the USBA2C1MOUSBC(R), a USB 2.0 Type-A male plug to Type-C male plug incorporating a 1.00 meter unshielded cable. USB Type-A connectors can only go into the device port one way, so users cannot connect them incorrectly. (Image source: GlobTek, Inc.)
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