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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 As we have seen, the cable-length specification once included in the RS-232 standard has been replaced by a maximum load-capacitance specification of 2500pF.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*
Maximum cable lengths. Cable length is one of the most discussed items in RS232 world. The standard has a clear answer, the maximum cable length is 50 feet, or the cable length equal to a capacitance of 2500 pF. The latter rule is often forgotten.
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).
RS232 conveys data over a simple unterminated, multiconductor cable at rates up to 20kB. The RS232 standard specifies the electrical characteristics and connector for an all encompassing point-to-point modem interface.
the maximum length of cable, a maximum capacitive load of 2500 pF was specified which is clearly a more adequate specification. The maximum cable length is determined by the capacitance per unit length of the cable which is provided in the cable specifications.
