
MODEM contact output signal, data terminal ready, active low

MODEM contact input signal, carrier detection, active low MODEM contact input signal, ringing indication, active low ①: The onboard 5V/3.3V can be selected by the jumper cap, or the jumper cap can be unplugged, and the external voltage input can also be used (2.5V/1.8V, except industrial grade).ĥV or 3.3V output for external device (configured by jumper) Mac OS, Linux, Windows 11 / 10 / 8.1 / 8 / 7, Android


Compared with CH340G, it supports a higher data rate (up to 6Mbps) and more serial port IO levels (5V / 3.3V / 2.5V / 1.8V). USB To UART Module, Micro / Mini / Type-A / Type-C Connectors, High Baud Rate Transmission
