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TRENDnet TU-S9 USB to Serial Converter USB 1.1 to RS-232 Male DB9 Serial Cable | Door locks, cabinet hardware, home alarms, custom doors, smart home products and custom doors.
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USB 2.0 to RS-232 / RS-422 / RS-485 Selectable Industrial Serial Adapter w/ 15kV ESD Surge Protection - Coolgear
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