RS-232 Maximum Cable Length
The maximum cable length for RS-232 is 50ft, but in practice, it depends on baud rate, cable specific capacitance, and ambient noise. The table below contains some rules-of-thumb from experiments done by Texas Instruments years ago.
Baud rate |
Maximum range / cable length |
19200 |
50 ft |
9600 |
500 ft |
4800 |
1000 ft |
The DB9 Male Connector for RS232/RS422/RS485 is also available.
RS-232 Maximum Cable Length
The maximum cable length for RS-232 is 50ft, but in practice, it depends on baud rate, cable specific capacitance, and ambient noise. The table below contains some rules-of-thumb from experiments done by Texas Instruments years ago.
Baud rate |
Maximum range / cable length |
19200 |
50 ft |
9600 |
500 ft |
4800 |
1000 ft |
The DB9 Male Connector for RS232/RS422/RS485 is also available.