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USB Isolator for Protection of all types of USB devices
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USB to Serial Adapter Cable w/ Isolation - Serial Cards & Adapters | StarTech.com
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Amazon.com: COMMFRONT Industrial USB Isolator, USB 2.0 5000Vrms Isolation (per UL 1577), Low and Full Speed Data Rate: 1.5Mbps and 12Mbps, Plug-n-Play, No Drivers Required : Electronics
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Adafruit USB Isolator - 100mA Isolated Low/Full Speed USB : ID 2107 : $34.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Opto-Isolated RS232/RS485/RS422(4-Wire) 4-Port Hub / Splitter (Industr – CommFront
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Optically Isolated 7-Port USB Hub with SeaLATCH USB Ports - Sealevel
Amazon.com: Black Box USB to RS232 Opto-Isolated Converter : Electronics
