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Original thread:
Post 31 made on Monday April 27, 2009 at 02:03
RTI Installer
Super Member
March 2002
On April 24, 2009 at 17:39, Daniel Tonks said...
Thoughts on my RS-232 question?

Are there 1-way only components? 2-way only components? Components that work with both?

I believe the answer to your question is Yes to everything, the most common is simply 2-way only components? however they all will receive one way commands, and even though they may not have anything to reply to, they still work fine.
Never Ignore the Obvious -- H. David Gray

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