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Type A 90 Deg. Horizontal PCB Mount USB 2.0.
The type-A plug. This plug has an elongated rectangular cross-section which inserts into a type-A receptacle on a downstream port on a USB host or hub in turn carries both power and data
The type-A plug. This plug has an elongated rectangular cross-section which inserts into a type-A receptacle on a downstream port on a USB host or hub in turn carries both power and data.
Captive cables on USB devices, such as keyboards or mice, terminate with a type-A plug.
As with all standards, USB possesses multiple limitations to its design:
USB cables are limited in length as the standard was intended for peripherals on the same table-top not between rooms or buildings.
However a USB port can be connected to a gateway that accesses distant devices.
USB has a strict tree network topology and master/slave protocol for addressing peripheral devices.
Those devices cannot interact with one another except via the host, and two hosts cannot communicate over their USB ports directly. Some extension to this limitation is possible through USB On-The-Go in, Dual-Role-Devices and Protocol Bridge.
A host cannot broadcast signals to all peripherals at once each must be addressed individually.
Some very high-speed peripheral devices require sustained speeds not available in the USB standard.
While converters exist between certain legacy interfaces and USB, they may not provide a full implementation of the legacy hardware. For example a USB-to-parallel-port converter may work well with a printer, but not with a scanner that requires bidirectional use of the data pins.
Type B 90 Deg Horizontal PCB Mnt USB 2.0
|Dimensions||2 × 2 × 2 cm|
Type A 90 Deg. Horizontal PCB Mount USB 2.0
Universal Serial Bus (USB) is an industry standard that establishes specifications for cables and connectors and protocols for connection communication and power supply.
Interfacing between computers, peripherals and other computers.
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