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波士产品网页
波士电子:RS-232/RS-485正宗专业厂家. BOSI electronics:RS-232/RS-485 expert English 中文 · About BOSI Products Software Sales ...
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波士产品网页
波士电子:RS-232/RS-485正宗专业厂家. BOSI electronics:RS-232/RS-485 expert English 中文 · About BOSI Products Software Sales ...
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RS-232 expander
To extender one RS-232 to multi RS-232/RS-485 ports! Plug in RS-232 port ... EX232, Extende RS-232 distance to 500 meters directly, +5V power supply! $100 ...
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