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Can Cermetek modems be connected directly to an RS232 serial port?

April 26, 2017cermetek connected directly modems port rs232 serial

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Can Cermetek modems be connected directly to an RS232 serial port?

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An RS232 port has voltage levels up to plus and minus twelve volts. Cermetek modem products have a zero to five volt or zero to 3.3 volt serial interface. To connect a Cermetek modem module to an RS232 port line drivers and line receivers need to be employed.