The original standard for RS-232 recommended a cable length limit of 50 ft, and any type of cable could be used for data transmission speeds of ≤ 20,000 b\/s...
What is RS232 interface concept? What does R mean, what does S mean, and what does 232 mean?
The original standard for RS-232 recommended a cable length limit of 50 ft, and any type of cable could be used for data transmission speeds of ≤ 20,000 b\/s