What is the difference between RS-232 and RS-232-C?
Jan 29, 2019 · I know about RS-232. Later, I heard about RS-232-C. Are these two standards the same or not? If not, what are the differences?
Could RS-232 data be carried over a standard 3.5mm audio/aux cable?
Feb 18, 2024 · @VoltageSpike I was unable to find any cable that was specifically stated to work with RS-232 that was either 3.5mm on one end or 2.5mm/3.5mm on the other. Standard audio cables …
c - Serial communications and on/off voltages - Electrical Engineering ...
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.
RS232 Unusual "Framing Error" - Electrical Engineering Stack Exchange
I have an old piece of instrument that suppose to connect with a Windows XP machine. I keep getting "Framing Error" messages on the instrument panel while the PC side shows that the instrument coul...
Who decides the timing in the async serial communication based on …
Feb 13, 2022 · In summary, RS-232C describes the hardware characteristics for use in serial communication through a pair of lines (phone lines in this case) between a DTE (Data Terminal …
COM port and RS-232C - Electrical Engineering Stack Exchange
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, …
rs232 - RS-232C with phone connector - Electrical Engineering Stack ...
Oct 23, 2017 · I found the following picture of the connectors of a monitor. The serial connector looks like a phone connector. But I know only the D-sub and RJ connectors for serial ports. Can anybody …
How do I know if it's RS232 levels or TTL levels
Dec 27, 2022 · Use a oscilloscope to measure the levels. Or make a voltage divider to lower the RS232 to what your TTL serial device can tolerate.
rs232 - What determines voltage levels in RS-232 - Electrical ...
May 24, 2016 · What determines the peak voltage levels for RS-232 lines? Is it determined by the software? The hardware? Something else?
Proper Chassis Grounding - Electrical Engineering Stack Exchange
I'm starting to design things that run off mains voltage and I want to be sure that I have a proper connection from my chassis to earth ground. I've been reading a bit about proper grounding and h...