Lower computer, connector, lower computer assembly and communication system

The utility model relates to a lower computer, a connector, a lower computer assembly and a communication system. According to one embodiment of the present disclosure, a lower computer for connectinga device and an upper computer comprises: a USB port having first to fifth pins; the power switch is...

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Bibliographic Details
Main Authors CHEN WEICHU, LIU FAJIE, XU FAN
Format Patent
LanguageChinese
English
Published 04.09.2020
Subjects
BASIC ELECTRONIC CIRCUITRY
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
ELECTRICITY
PHYSICS
PULSE TECHNIQUE
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Summary:The utility model relates to a lower computer, a connector, a lower computer assembly and a communication system. According to one embodiment of the present disclosure, a lower computer for connectinga device and an upper computer comprises: a USB port having first to fifth pins; the power switch is connected with the first pin and the fourth pin; an RS232 module configured to convert a level ofa signal to be transmitted to the device and a level of a signal received from the device based on an RS232 standard; the resistor is connected between the fourth pin and the fifth pin; and a power supply having a positive terminal; wherein the positive terminal is connected with the first pin; the RS232 module is connected with the first pin through the power switch; and the power switch is configured to switch on a conductive path between the positive terminal and the RS232 module in response to the potential at the fourth pin being a high potential. The technical scheme of the utility modelhas at least one of the fo
Bibliography:Application Number: CN201922012404U