Remote Serial Port access - tested and well-known tool
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COM (hardware interface) - Wikipedia
How to find the address of LPT Port
What is COM port?
How do I change the default COM port setting for multiport serial boards?
How to change the COM port for a USB Serial adapter on Windows 7, 8, 8.1, and 10 - Plugable Knowledge Base
COM2
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Serial Terminal Basics - SparkFun Learn
Enable Serial Port COM2
Determining Your Comm Port
TAKAさんの毎日が発見・ブログ : VSPEを使ってみる・続き(別のアプリ)
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Serial Port Splitter - Share dataflow of one serial port among several applications or join dataflow of several serial port devices to one application.
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