USB 11 was designed to standardize the connection of peripherals to personal computers, both to communicate with and to supply electric power.
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17 Facts About USB 11
2.
Examples of peripherals that are connected via USB 11 include computer keyboards and mice, video cameras, printers, portable media players, mobile digital telephones, disk drives, and network adapters.
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3.
USB 11 connectors have been increasingly replacing other types as charging cables of portable devices.
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4.
USB 11 standard provides multiple benefits for hardware manufacturers and software developers, specifically in the relative ease of implementation:.
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5.
Modifications to the USB 11 specification have been made via engineering change notices .
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7.
The ability to boot a write-locked SD card with a USB 11 adapter is particularly advantageous for maintaining the integrity and non-corruptible, pristine state of the booting medium.
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8.
However, USB 11 has the advantage of allowing hot-swapping, making it useful for mobile peripherals, including drives of various kinds.
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9.
USB 11 Device Working Group has laid out specifications for audio streaming, and specific standards have been developed and implemented for audio class uses, such as microphones, speakers, headsets, telephones, musical instruments, etc.
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10.
USB 11 provides three isochronous synchronization types, all of which are used by audio devices:.
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11.
Connectors the USB 11 committee specifies support a number of USB 11's underlying goals, and reflect lessons learned from the many connectors the computer industry has used.
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12.
The USB 11 specification requires that the cable plug and receptacle be marked so the user can recognize the proper orientation.
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13.
USB 11 signals are transmitted using differential signaling on a twisted-pair data wires with characteristic impedance.
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14.
USB 11 connection is always between a host or hub at the A connector end, and a device or hub's "upstream" port at the other end.
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15.
InterChip USB 11 is a chip-to-chip variant that eliminates the conventional transceivers found in normal USB 11.
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16.
However, USB 11 is cheaper than PoE provided that the distance is short and power demand is low.
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17.
USB 11 has no such requirement as it was designed for peripherals closely associated with a host computer, and in fact it connects the peripheral and host grounds.
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