Jan 29, 2019 · In 1969, the Electronic Industries Association Standards Committee adopted RS-232C as a standard for computer manufacturers. Because this adoption date was so long ago, most manufacturers, including National Instruments, have dropped the "C" from the name and simply refer to the protocol as RS-232.

Nov 29, 2016 · I always thought that the COM port on a classic PC implements the RS-232C serial interface. But I just noticed that the COM port is a DB-25, whereas RS-232C only uses 8 or 9 ports, and therefore tends to use DE-9.

Feb 18, 2024 · I am looking at RS-232 control for various TV displays which use a different type of input connector for RS-232. The combination of RS-232 inputs on different TV displays is the standard 9-pin DB9

Oct 23, 2017 · RS-232C with phone connector. Ask Question Asked 7 years, 5 months ago. Modified 7 years, 5 months ago. ...

Dec 26, 2012 · I've read that speed of rs-232 depends on length of cable. There are many different tables that describe this dependency. But speed although should depend on voltage of Rx and Tx signals. How maximum

May 24, 2016 · The RS-232 standard specifies the range as: 0 (space) Asserted +3v to +15v 1 (mark) Deasserted −15v to −3v

Dec 8, 2018 · I have a GT01 Panasonic LCD which it's interface is RS-232C. I have read that the difference between RS-232 and RS-232C is their voltage level which it's ±5 V in RS232C. Can I use a MAX232 IC to communicate with this LCD? I'm …

Jan 7, 2023 · Now according to the below documentation, RS-232 actually comes in 3 different flavors (A, B, and C) with each one defining a different voltage range for the on and off levels. The most commonly used variety is RS-232C, which defines a mark (on) bit as a voltage between -3 V and -12 V and a space (off) bit as a voltage between +3 V and +12 V.

Jun 13, 2015 · Some background. RS-232 serial ports were originally designed to connect a modem (DCE) to a teleprinter (DTE). There was a data line in each direction and also a number of lines for handshake and modem contr

Edit: According to the service manual: An RS232C format serial port is available at the DE-9 connector J3. U8 provides voltage level translation from +5 volts and ground to ± 12 volts.