Technology & Computing

What is USB to USB used for?

By: Gustavo PortelaUpdated: January 06, 2021


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    June 28, 2022
This type of cable is used for connecting certain devices with computer for data transfer or upgrading or restoring firmware. For example, I had a Android TV Box that had 4 USB ports, and one port could be connected to PC using USB A-Male to A-Male cable.

Accordingly, what is a USB to serial converter?

USB to serial adapters are cables that convert the data sent by a serial-enabled device for use by a USB port. The serial end has a DB9 connector, which plugs into the serial device.

Likewise, can you convert rs232 to USB?

Yes, a RS232 to USB converter does have a full-blown UART circuit built-in. As any standard UART, it does have Rx, Tx, and flow control pins. When data is there, the USB side returns the piece of data.

Is USB parallel or serial?

Note: Some older devices may have a USB 1.1/USB 2.0. The main difference between parallel (printer/LPT port; female) and serial (COM; male) ports is the data transmission. A parallel port transmits information in chunks (all eight bits of a byte at in parallel), whereas a serial port transmits one bit after another.

What happens if you plug a USB 2.0 into a USB 3.0 port?

You can plug a USB 2.0 device into a USB 3.0 port and it will always work, but it will only run at the speed of the USB 2.0 technology. So, if you plug a USB 3.0 flash drive into a USB 2.0 port, it would only run as quickly as the USB 2.0 port can transfer data and vice versa.


What does a USB plug look like?

USB – A — The first and most common type is the standard rectangular-shaped port (commonly known as USB-A). They're commonly found in desktops and larger-sized laptops. USB Type-C — Another type is the oval-shaped Type-C port.

Can you connect USB to USB?

Fortunately, with an inexpensive adapter cable, you can attach a USB key or card reader directly to your handset. Here's how to connect your Android phone to a USB storage device. If you have a newer Android phone that uses USB Type-C, it's even easier. An Android phone connected to a USB drive via a USB OTG cable.

Are all USB cables the same?

USB Type-C: Not All Cables Are Created Equal. The USB Type-C connector is designed to replace data transfer, charging, and video connectors. However, not all cables support the same functionality. For the purposes of data transfer only, any generic cable will work just fine.

What is difference between USB A and USB C?

The USB-A has a much larger physical connector than the Type C, Type C is around the same size as a micro-USB connector. Unlike, Type A, you won't need to try and insert it, flip it over and then flip it over once more just to find the right orientation when trying to make a connection.

How do I know if my USB cable is data?

1. Physical examination. Due to the number of wires in them, USB data cables are usually thicker than USB charging cables. Data cables have four wires and as such, have thicker outer insulation/lining than their charge-only counterparts with two (2) less wires.

How can I tell the difference between USB 2.0 and 3.0 ports?

Different Appearance
You can generally tell the difference between USB 1.0, 2.0, and 3.0 by color alone. While the size and shape may be identical, the key is to look at the color of the plastic inside the device. The USB 1.0 features a white plastic color, while USB 2.0 is black, and the USB 3.0 is blue.

What does USB mean?

universal serial bus

How does USB transfer data?

How is data sent across USB? When a peripheral device is attached via USB, the host computer will detect what kind of device it is and automatically load a driver that allows the device to function. Data is transferred between the two devices in small amounts known as 'packets'.

How do I know if my USB to serial converter is working?

In Windows, open Device Manager and expand the Ports section. While Device Manager is open insert the USB RS232 adapter and after a few seconds a USB Serial Port should appear. If not, there is a problem with the adapter or driver.

How does a USB to serial converter work?

USB to serial adapters are cables that convert the data sent by a serial-enabled device for use by a USB port. The serial end has a DB9 connector, which plugs into the serial device. The software creates a virtual serial port. As data are transmitted through the USB port, they come in as a serial signal.

How do I download a serial driver to my USB?

To manually install the USB to Serial drivers on Windows 7 64-bit operating systems
  1. Open Windows Control Panel.
  2. Select System > Hardware > Device Manager.
  3. In the Other devices tab, right-click USB-Serial Controller and then select Install from the drop-down menu.
  4. Select Browse my computer for driver software.

Is USB a rs232?

Although RS232 and USB (universal serial bus) are both serial communication standards to connect peripherals to computers, they are totally different in design. There are however converter modules and cables that can be successfully used to connect RS232 devices to computers via an USB port.

Is a USB a COM port?

USB connections do not have com port numbers assigned to them unless its a usb-serial adapter which then it will assign a virtual com port #. Instead they have an address assigned to them.

What is a USB scanner device?

This scanner allows you to automatically transfer information about the product to your computer system so that you can keep track of income, place orders for new inventory and take note of sales trends. Some scanners are USB-compatible so that you can plug them into a standard computer with a USB port.