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Fix format errors for UDP
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MarkRivers committed Apr 22, 2024
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Showing 1 changed file with 4 additions and 4 deletions.
8 changes: 4 additions & 4 deletions docs/source/overview.rst
Original file line number Diff line number Diff line change
Expand Up @@ -23,10 +23,10 @@ Modbus supports the following 3 communication-link layers:
- TCP/IP using standard port 502.
* - UDP
- UDP/IP using standard port 502. The use of UDP/IP is not part of the MODBUS
- standard but is useful for FPGAs with Ethernet in firmware which may provide
- support only for UDP. The only difference between TCP and UDP operation is
- that when using UDP a missing reply packet is not considered to
- be an error until the transaction has been attempted 5 times.
standard but is useful for FPGAs with Ethernet in firmware which may provide
support only for UDP. The only difference between TCP and UDP operation is
that when using UDP a missing reply packet is not considered to
be an error until the transaction has been attempted 5 times.
* - RTU
- RTU is normally run over serial communication links, i.e. RS-232,
RS-422, or RS-485. RTU uses an additional CRC for packet checking. The
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