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RS232 / RS485 to TTL Converters

SerialComm's RS232 to TTL converter products are offered at 3.3V or 5V in certified commercial or industrial grade including free worldwide shipping or same day express from NJ and CA. Our serial to TTL converter products can be used for any application whether it is for commercial, industrial or critical. If you need protection, reliability, and power efficiency at low prices we have the solution and we back our products with a 30 day risk-free money back guarantee and 5 year replacement warranty.  Our TTL products come in a number of varieties and are offered in 5V and 3.3V versions. SerialComm is committed to providing the best customer support possible with 24 hour telephone, live chat and email support.  Our converters provide a safe and easy solution for your data communication requirements.

  • RS232 to 5V TTL Converter

    Model: TTL-232-5P Price: $16.95

    Data Sheet PDF

    The TTL-232-5P is a high quality port-powered bi-directional RS232 to 5V TTL converter with 15KV ESD and 600W surge protection in a 9 pin format.  Since it is port powered, no external external power is needed.  Operates reliably from 300 to 115.2K bps.

  • The TTL-232-5IE is a industrial-grade high quality port-powered or external powered bi-directional RS232 to 5V TTL converter with 15KV ESD and 600W surge protection in a 9 pin format.  This converter is either port powered or 5V external powered.  This converter is ideal if you are not sure port power will work in your application.  Operates reliably from 300 to 115.2K bps.

  • RS232 to Low Volt 3.3V TTL Converter

    Model: TTL-232-33P Price: $16.95

    Data Sheet PDF

    The TTL-232-33P is a high quality port powered bi-directional RS232 to 3.3V TTL converter with 15KV ESD and 600W surge protection in a 9 pin format.  Since it is port powered, no external power is needed..    Operates reliably from 300 to 115.2K bps.

  • The TTL-232-33IE is a industrial-grade high quality port powered or external powered bi-directional RS232 to 3.3V TTL converter with 15KV ESD and 600W surge protection in a 9 pin format.  This converter is either port powered or 5V external powered.  This converter is ideal if you are not sure port power will work in your application.  Operates reliably from 300 to 115.2K bps.

  • The TTL-485-5P is a high quality externally powered bi-directional RS485 to 5V TTL converter with 15KV ESD and 600W surge protection in a 9 pin format.  The separate terminal blocks are included in the package.  The converter is powered from an externally powered 5V power supply which is included with purchase.  Operates reliably from 300 to 115.2K bps.

TUV Rheinland Certification

Our ISO-9001:2015 Quality Management System with a scope of "Design, Sales and Distribution of Data Communication Products and IT Support Services" was certified by world-class TÜV Rheinland of North America.

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