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What is a RS232 to RS485 converter and how is it used? How do I choose the right model and how do I connect it? What to look for when shopping for a RS232 to RS485 converter

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Low-cost World-Class-Lab Certified RS232 RS485 RS422 TTL USB Serial Fiber Optic Converters. FREE or EXPRESS Shipping, 30Day Return/5Yr Warranty.

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