COM (hardware interface) - Wikipedia
modem - Preference of COM2 vs COM1 - Super User
Serial communication with Node.js
Serial Port PC (Industrial Grade Embedded Systems) – Premio Inc
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COM2
Small PC with 4 Serial (RS232) COM Ports - Smallpc.net
M.8.3 Check COM1/COM2/LAN
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Serial port - Wikipedia
Determining the Correct COM Port for a Scout
FRONTX - Serial - motherboard COM1 and COM2 pin assignments
What is a Serial Port?
Serial Port for Remote Desktop - Use local serial devices in remote desktop session.
Serial Ports Explained | TEGUAR
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COM Port Mapping with Keyspan USB Serial Adapter
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