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Moxa UPort 1150I - 1 Port USB-to-Serial 2 KV

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Gearmo USB to Serial RS-232 Adapter - LED Indicators FTDI Chipset

rayihni RS232 TO RS485 SERIAL DATA COMMUNICATION CONVERTER ADAPTER - DB9 FEMALE 4-PIN TERMINAL BLOCK

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Jeirdus USB to RS422 RS485 Serial Port Converter - FTDI Chip ESD Protection 6ft/1.8meter

Gearmo RS-232 to USB Adapter - 4 Port USB

DTech DB9 to RJ45 Serial Adapter - RS232 Female to RJ-45 Female

Plugable USB to Serial Adapter - DB9 RS-232 DTE Male