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A USB RS232 serial barcode scanner is basically equivalent to a standard RS232 serial scanner that comes with a built in USB RS232 add-on adapter with the advantage that you do not need an external power supply.
A serial scan box test system
ActiveCN224287054Uimprove securityImprove work efficiencyTesting dielectric strengthElectrical measurement instrument detailsComputer hardwareSerial scanning
This utility model discloses a serial scanning box test system, relating to the field of serial scanning box test technology. It includes a controller module, an RS485 communication module, a setting module, a storage module, an isolation drive module, a switching control module, a DC-DC power supply module, and an AC-DC power supply module. The controller module is connected to the RS485 communication module, the setting module, the storage module, the isolation drive module, and the DC-DC power supply module. The AC-DC power supply module converts AC voltage to 24V DC voltage, and the DC-DC power supply module converts 24V DC voltage to 5V and 3V DC voltage. The system enables the controller module to receive test signals transmitted from the host via the RS485 communication module, control the isolation drive module and the multi-channel drive switching control module to perform withstand voltage tests, and transmit the withstand voltage results to the host.
Owner:SHENZHEN MERRICK ELECTRONIC TECH CO LTD