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27 sie 2015 · General guidelines says most cables will support 115k baud, using x-on/x-off protocol (stop start is data on tx/rx lines) are limited to 30M, or about 100' with shielded cable. UTP cables using this same protocol setup are limited to about half the speed, so maybe 56k.
29 mar 2001 · Maximum Cable Length. As we have seen, the cable-length specification once included in the RS-232 standard has been replaced by a maximum load-capacitance specification of 2500pF. To determine the total length of cable allowed, one must determine the total line capacitance.
4 mar 2021 · Using typical underwater cables, allowable combinations of cable length and baud rate for Sea-Bird instruments communicating with RS-232 are shown below: Maximum Cable Length (meters) Maximum Baud Rate*
If for example UTP CAT-5 cable is used with a typical capacitance of 17 pF/ft, the maximum allowed cable length is 147 feet. The cable length mentioned in the standard allows maximum communication speed to occur. If speed is reduced by a factor 2 or 4, the maximum length increases dramatically.
For the original RS–232 standard, the cable between the driver and the receiver was also specified to be a maximum of 15 meters in length. This part of the standard was changed in revision “D” (EIA/TIA–232–D).
18 sie 2020 · There are no cable length limits defined directly by the RS-232 standard, so the main determining factor is the maximum capacitance tolerated by a compliant drive circuit. As a general rule, the critical length will be 15 m (or about 300 m provided that only low-capacitance cables were used).
The most common and easy-to-use serial communication interface. RS-232 is a straightforward, universal, and commonly implemented measured with respect to a system common ground (power/logic serial interface. Despite its limited 15 m transmission distance, its ground).
