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problem in rs232 commnication

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I'm working on simple application using X24-091 RF modules to set up rs232 between PC and a device.

It operates only simplex mode which means data from a module to the other is OK but NG in reverse direction.
I changed and tested modules but the same result.

Anybody gives me some help.
Why does this happen and how can I resolve it?
asked Sep 13, 2009 in XStream by geetoo New to the Community (0 points)

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1 Answer

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Did you check the DL/DH of the module not transmitting? Has it been set to the destination modules' 64-bit address?
answered Sep 14, 2009 by Srinivas New to the Community (16 points)