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Serial/IP® Virtual Serial Port Redirector – Tactical Software
8-Port RS-232 USB to Serial Adapter Data Control Box
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TF-A2 RS232 Serial Port LED Display Controller
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Serial Port Control - Easy to use control intended for simplification serial port communication tasks in your projects.
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8-Port RS-232 USB to Serial Adapter Data Control Box - Coolgear
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PCI-R5232 2-Port PCI Serial Port Controller Card
