KUC720AE Communication motherboard module ABB

Description

Overview

Essential details：KUC720AE Communication motherboard module ABB

It is usually used to connect mouse (serial port) and communication equipment (such as connecting external modem for data communication or some factory CNC machine interface). Connecting older devices like gamepads, including older mice, keyboards, stereos, and so on, is the equivalent of USB. Previous old printers are generally this interface (now the printer is generally USB interface).

Peripheral equipment such as the group telephone exchange PC control port, parking lot card swiping PC control port, some old fingerprint attendance machine.

If there is no such interface on the computer, there are still some switching cards/cables on the market, such as USB to COM, PCI to COM, PCI-E x1 to COM, but the probability of compatibility problems after switching is greater.

Transfer out of the interface of male and female, and the need to be consistent with the computer male head, do not make a mistake.

Extended data

Serial communication and parallel communication can be used for data transmission between computer and computer or between computer and terminal. Serial communication is widely used because of its few lines and low cost, especially in remote transmission, avoiding the inconsistency of the characteristics of multiple lines. In serial communication, both sides of communication are required to adopt a standard interface, so that different devices can be easily connected for communication.

KUC720AE

(2) Classification

Working attenuation LA is usually used to describe the amplitude characteristics of filters.

1. According to attenuation characteristics

The low-pass filter allows the low-frequency signal to be transmitted from the input port to the output port with a small attenuation amount. When the signal frequency exceeds the characteristic cutoff frequency, the attenuation amount of the signal will increase sharply, so that the signal amplitude of the output port will decrease

The high-pass filter has the opposite characteristic. When the signal frequency exceeds a specific cutoff frequency, the signal is transmitted from the input port to the output port with a small amount of attenuation.

Band-pass and band-stop filters are defined by a specific lower and upper frequency band, in which the signal attenuator has either low (band-pass) or high (band-stop) attenuation relative to other frequency bands.

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