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Amazon.com: TRENDnet USB to Serial 9-Pin Converter Cable, Connect a RS-232 Serial Device to a USB 2.0 Port, Supports Windows & Mac, USB 1.1, USB 2.0, USB 3.0, 21 Inch Cable Length,
Amazon.com: 4 Serial Port RS232/RS485/RS422 to Ethernet Converter : Electronics
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Amazon.com: GearMo® Windows 10, 7 64-bit Compatible USB to Serial Adapter RS232 DB9 Short 8 Inch Cable : Electronics
Amazon.com: DTech USB to Serial Adapter, DB25 DB9 RS232 to USB Cable 4 Feet with FTDI Chip Supports Windows 11 10 8 7 and Mac : Electronics
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Amazon.com: UGREEN USB to RS232 Adapter Serial Cable DB9 Male 9 Pin with PL2303 Chipset RS-232 Converter Cable for Windows 10 8.1 8 7 XP Vista, Mac OS, Linux, 3FT : Electronics
Amazon.com: DTech DB9 RS232 Serial Cable Female to Female Null Modem Cord Cross TX RX line for Data Communication (15 Feet, Black) : Electronics
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Amazon.com: 2 Channel DC Relay Module Serial Port Relay Module RS232 UART Protocol DB9 Interface Remote Control Switch Board TB351 : Industrial & Scientific
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Amazon.com: Jienk 2Pcs RJ45 to DB9 Cat5 Ethernet LAN Console Cable, RJ45 Male to 9 pin Serial RS232 DB9 Female Rollover Console Cable (1×3.3FT, 1×9.8FT) : Electronics
Amazon.com: Sealevel USB to RS-232 Serial Adapter - Industrial Grade USB to Serial DB9 Male RS232 Interface Converter Cable - High-Speed 921.6 Kbps Max Data Rate, Authentic FTDI Chipset, 5 Feet : Electronics
Amazon.com: USB 2.0 to 4 Ports Serial RS-232 COM DB9 Male Adapter Cable FT232 USB-4x RS232 : Electronics
Amazon.com: QIANRENON RS232 DB9 Male to Female 90 Degree Right Angle Adapter Extender DB9 L-Angle Connector, for Serial Communication Interface Devices, Right Bend : Electronics
Amazon.com: Black Box Async RS232 to para Converter DB9-36Pin Centronics Interface-PWR : Industrial & Scientific
![Amazon.com: SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, HEXNUTS, [Windows 11/10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 2.5 Feet (CB-DB9P) : Grocery & Gourmet Food](https://m.media-amazon.com/images/I/71OBbDUesQL._AC_UF1000,1000_QL80_.jpg "Amazon.com: SABRENT USB 2.0 to Serial (9 Pin) DB 9 RS 232 Converter Cable, Prolific Chipset, HEXNUTS, [Windows 11/10/8.1/8/7/VISTA/XP, Mac OS X 10.6 and Above] 2.5 Feet (CB-DB9P) : Grocery & Gourmet Food")