Extron A/V USB Cerficiation
Host
Typically a computer with downstream USB ports that initiates communication with attached
peripheral devices.
Peripheral
Devices that communicate with upstream hosts. These consist of storage drives, cameras,
printers, scanners, webcams, and Human Interface Devices (HIDs) such as keyboards and
mice.
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Bus
A connector or set of wires within a computer or device that provides data transport and
communication.
Hub
Expands the number of USB ports and allows the host to communicate with multiple peripheral
devices. May be stand-alone or built into a device such as a computer, monitor, or keyboard.
Cable
Interconnects peripheral devices, hosts, and hubs.
Twisted pair cables
, USB 3.0 adds these for duplex communication.
Type-A
Standard, universal connector found on most computers and USB devices.
Type-B
An upstream interface that is used to receive data or power on peripheral devices, such as
printers.
Mini Connectors
Developed to provide data and power for smaller devices. These are USB 2.0 capable and
support USB On-The-Go, which allows mobile devices and other peripherals to act as a USB
host.
Micro Connectors
USB 2.0 capable. Replaced the Mini connectors. These are slimmer interfaces that easily
integrate into thinner devices such as cellphones, GPS units, and digital cameras.
USB-C
Has a reversible interface and can be plugged into USB 3.2 Gen 2 devices with either end. Are
able to carry USB 1.1, USB 2.0, USB 3.0, USB 3.1 signals and pair with legacy connectors.
Thunderbolt 3
Can work as USB-C cables, both can use the same universal port type. Has significantly better
performance, operating at 40 Gbps, while USB-C functions at 20 Gbps.
Alternate mode
Dedicates some of the physical wires in the USB-C cable to transmit the other non-USB signals
for audio and video data such as DisplayPort.
USB4
Improves the ability to manage and allocate video resources, resulting in higher performance
and reduced latency.
5 meters
Host
Typically a computer with downstream USB ports that initiates communication with attached
peripheral devices.
Peripheral
Devices that communicate with upstream hosts. These consist of storage drives, cameras,
printers, scanners, webcams, and Human Interface Devices (HIDs) such as keyboards and
mice.
Previous
Pause
Next
Rewind 10 seconds
Move forward 10 seconds
Unmute
0:00
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0:15
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Brainpower
Read More
Bus
A connector or set of wires within a computer or device that provides data transport and
communication.
Hub
Expands the number of USB ports and allows the host to communicate with multiple peripheral
devices. May be stand-alone or built into a device such as a computer, monitor, or keyboard.
Cable
Interconnects peripheral devices, hosts, and hubs.
Twisted pair cables
, USB 3.0 adds these for duplex communication.
Type-A
Standard, universal connector found on most computers and USB devices.
Type-B
An upstream interface that is used to receive data or power on peripheral devices, such as
printers.
Mini Connectors
Developed to provide data and power for smaller devices. These are USB 2.0 capable and
support USB On-The-Go, which allows mobile devices and other peripherals to act as a USB
host.
Micro Connectors
USB 2.0 capable. Replaced the Mini connectors. These are slimmer interfaces that easily
integrate into thinner devices such as cellphones, GPS units, and digital cameras.
USB-C
Has a reversible interface and can be plugged into USB 3.2 Gen 2 devices with either end. Are
able to carry USB 1.1, USB 2.0, USB 3.0, USB 3.1 signals and pair with legacy connectors.
Thunderbolt 3
Can work as USB-C cables, both can use the same universal port type. Has significantly better
performance, operating at 40 Gbps, while USB-C functions at 20 Gbps.
Alternate mode
Dedicates some of the physical wires in the USB-C cable to transmit the other non-USB signals
for audio and video data such as DisplayPort.
USB4
Improves the ability to manage and allocate video resources, resulting in higher performance
and reduced latency.
5 meters
