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Development Kit
Interface protocols
The XTend vB RF Module Module Assembly supports the following interfacing protocols:
RS-232
n
RS-485 (2-wire) half-duplex
n
RS-485 (4-wire) and RS-422
n
RS-232 operation
The following figures show the RS-232 DIP switch settings and the pins used on the female RS-232
(DB-9) serial connector. The Module Assembly reads and applies the DIP switch settings only during
power-on.
The following table provides the RS-232 signals and their implementations on the Module Assembly.
Low-asserted signals have a horizontal line over the pin name.
XTend vB DigiMesh RF Module User Guide
Interface protocols
18
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