![Amazon.com: StarTech.com USB to Serial RS232 Adapter - DB9 Serial DCE Adapter Cable with FTDI – Null Modem - USB 1.1 / 2.0 – Bus-Powered (ICUSB232FTN) : Electronics Amazon.com: StarTech.com USB to Serial RS232 Adapter - DB9 Serial DCE Adapter Cable with FTDI – Null Modem - USB 1.1 / 2.0 – Bus-Powered (ICUSB232FTN) : Electronics](https://m.media-amazon.com/images/I/71T7YO2niHL.jpg)
Amazon.com: StarTech.com USB to Serial RS232 Adapter - DB9 Serial DCE Adapter Cable with FTDI – Null Modem - USB 1.1 / 2.0 – Bus-Powered (ICUSB232FTN) : Electronics
![Amazon.com: StarTech.com 1 ft. USB to RS232 Serial DB9 Adapter Cable with COM Port Retention - Up to 920 kpbs USB A to DB9 Serial Adapter (ICUSB232PRO) : Electronics Amazon.com: StarTech.com 1 ft. USB to RS232 Serial DB9 Adapter Cable with COM Port Retention - Up to 920 kpbs USB A to DB9 Serial Adapter (ICUSB232PRO) : Electronics](https://m.media-amazon.com/images/I/6183mI1v2sL._AC_UF894,1000_QL80_.jpg)
Amazon.com: StarTech.com 1 ft. USB to RS232 Serial DB9 Adapter Cable with COM Port Retention - Up to 920 kpbs USB A to DB9 Serial Adapter (ICUSB232PRO) : Electronics
![Amazon.com: SABRENT USB to RS-232 DB9 Serial 9 pin Adapter Prolific PL2303 1-ft [SBT-USC1K] : Electronics Amazon.com: SABRENT USB to RS-232 DB9 Serial 9 pin Adapter Prolific PL2303 1-ft [SBT-USC1K] : Electronics](https://m.media-amazon.com/images/I/81Mdvlhpb9L._AC_UF894,1000_QL80_.jpg)
Amazon.com: SABRENT USB to RS-232 DB9 Serial 9 pin Adapter Prolific PL2303 1-ft [SBT-USC1K] : Electronics
![Amazon.com: DriverGenius USB232A-B, USB to Serial RS232 DB9 Adapter with 3 x LEDs - Win11 & Mac (M/M, 3ft/1m) : Electronics Amazon.com: DriverGenius USB232A-B, USB to Serial RS232 DB9 Adapter with 3 x LEDs - Win11 & Mac (M/M, 3ft/1m) : Electronics](https://m.media-amazon.com/images/I/71B7Jc03QvL._AC_UF894,1000_QL80_.jpg)
Amazon.com: DriverGenius USB232A-B, USB to Serial RS232 DB9 Adapter with 3 x LEDs - Win11 & Mac (M/M, 3ft/1m) : Electronics
![Amazon.com: Manhattan USB to Serial Converter Connects One Serial Device to A USB Port (205146) : Electronics Amazon.com: Manhattan USB to Serial Converter Connects One Serial Device to A USB Port (205146) : Electronics](https://m.media-amazon.com/images/I/51Zpf-g8CJL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Manhattan USB to Serial Converter Connects One Serial Device to A USB Port (205146) : Electronics
![Amazon.com: CableCreation USB to RS232 Serial Adapter (FTDI Chip), 3.3 Feet USB to DB9 Female Converter Cable for Windows 10, 8.1, 8, 7, Vista, XP, 2000, Linux and Mac OS X, macOS, 1 Meter/Black : Electronics Amazon.com: CableCreation USB to RS232 Serial Adapter (FTDI Chip), 3.3 Feet USB to DB9 Female Converter Cable for Windows 10, 8.1, 8, 7, Vista, XP, 2000, Linux and Mac OS X, macOS, 1 Meter/Black : Electronics](https://m.media-amazon.com/images/I/61LFgyn+WlL._AC_UF894,1000_QL80_.jpg)
Amazon.com: CableCreation USB to RS232 Serial Adapter (FTDI Chip), 3.3 Feet USB to DB9 Female Converter Cable for Windows 10, 8.1, 8, 7, Vista, XP, 2000, Linux and Mac OS X, macOS, 1 Meter/Black : Electronics
![Amazon.com: Legrand - C2G USB to DB9 Serial Adapter Cable, Adapter Cable, USB to Desktop Adapter, 1.5 Foot Adapter Cord, Gray, 1 Count, C2G 26886 : Electronics Amazon.com: Legrand - C2G USB to DB9 Serial Adapter Cable, Adapter Cable, USB to Desktop Adapter, 1.5 Foot Adapter Cord, Gray, 1 Count, C2G 26886 : Electronics](https://m.media-amazon.com/images/I/71shAbpaO1L._AC_UF894,1000_QL80_.jpg)
Amazon.com: Legrand - C2G USB to DB9 Serial Adapter Cable, Adapter Cable, USB to Desktop Adapter, 1.5 Foot Adapter Cord, Gray, 1 Count, C2G 26886 : Electronics
![Amazon.com: GearMo Windows 7, 8 and 10 Compatible USB Serial Adapter FTDI Chip RS232 DB-9 920K with TX/RX LED : Electronics Amazon.com: GearMo Windows 7, 8 and 10 Compatible USB Serial Adapter FTDI Chip RS232 DB-9 920K with TX/RX LED : Electronics](https://m.media-amazon.com/images/I/51AYVlztMdL._AC_UF894,1000_QL80_.jpg)
Amazon.com: GearMo Windows 7, 8 and 10 Compatible USB Serial Adapter FTDI Chip RS232 DB-9 920K with TX/RX LED : Electronics
![Amazon.com: Tripp Lite Keyspan High-Speed USB to Serial Adapter, PC & Mac, USB-A to DB9 RS232 Male, 3 Foot / 0.91 Meter Cable, 3-Year Warranty (USA-19HS) : Electronics Amazon.com: Tripp Lite Keyspan High-Speed USB to Serial Adapter, PC & Mac, USB-A to DB9 RS232 Male, 3 Foot / 0.91 Meter Cable, 3-Year Warranty (USA-19HS) : Electronics](https://m.media-amazon.com/images/I/71xCsjxGaBL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Tripp Lite Keyspan High-Speed USB to Serial Adapter, PC & Mac, USB-A to DB9 RS232 Male, 3 Foot / 0.91 Meter Cable, 3-Year Warranty (USA-19HS) : Electronics
![Amazon.com: StarTech.com USB to Serial RS232 Adapter - DB9 - USB Serial Adapter - Prolific USB to Serial Adapter - 1-Port : Electronics Amazon.com: StarTech.com USB to Serial RS232 Adapter - DB9 - USB Serial Adapter - Prolific USB to Serial Adapter - 1-Port : Electronics](https://m.media-amazon.com/images/I/41tJCTJiPiL._AC_UF894,1000_QL80_.jpg)
Amazon.com: StarTech.com USB to Serial RS232 Adapter - DB9 - USB Serial Adapter - Prolific USB to Serial Adapter - 1-Port : Electronics
![Amazon.com: StarTech.com USB to Serial RS232 Adapter - DB9 Serial DCE Adapter Cable with FTDI – Null Modem - USB 1.1 / 2.0 – Bus-Powered (ICUSB232FTN) : Electronics Amazon.com: StarTech.com USB to Serial RS232 Adapter - DB9 Serial DCE Adapter Cable with FTDI – Null Modem - USB 1.1 / 2.0 – Bus-Powered (ICUSB232FTN) : Electronics](https://m.media-amazon.com/images/I/71T7YO2niHL._AC_UF894,1000_QL80_.jpg)
Amazon.com: StarTech.com USB to Serial RS232 Adapter - DB9 Serial DCE Adapter Cable with FTDI – Null Modem - USB 1.1 / 2.0 – Bus-Powered (ICUSB232FTN) : Electronics
![Amazon.com: CableCreation USB to RS232 Adapter with FTDI Chipset, USB to RS232 Male DB9 Serial Converter for Cashier Register, Modem, Scanner, Industriual Machinery, CNC, Black : Electronics Amazon.com: CableCreation USB to RS232 Adapter with FTDI Chipset, USB to RS232 Male DB9 Serial Converter for Cashier Register, Modem, Scanner, Industriual Machinery, CNC, Black : Electronics](https://m.media-amazon.com/images/I/51z1Z7PEBRL._AC_UF894,1000_QL80_.jpg)
Amazon.com: CableCreation USB to RS232 Adapter with FTDI Chipset, USB to RS232 Male DB9 Serial Converter for Cashier Register, Modem, Scanner, Industriual Machinery, CNC, Black : Electronics
![Amazon.com: DTech 6 Feet USB to RS232 DB9 Female Serial Adapter Cable Windows 11 10 8 7 Mac Linux Serial to USB 2.0 (PL2303 Chip) : Electronics Amazon.com: DTech 6 Feet USB to RS232 DB9 Female Serial Adapter Cable Windows 11 10 8 7 Mac Linux Serial to USB 2.0 (PL2303 Chip) : Electronics](https://m.media-amazon.com/images/I/61iVRSG6xZL.jpg)
Amazon.com: DTech 6 Feet USB to RS232 DB9 Female Serial Adapter Cable Windows 11 10 8 7 Mac Linux Serial to USB 2.0 (PL2303 Chip) : Electronics
![Amazon.com: CERRXIAN 1FT RS485 to USB Terminal Converter Serial Port Cable for Windows 7 8 10 : Electronics Amazon.com: CERRXIAN 1FT RS485 to USB Terminal Converter Serial Port Cable for Windows 7 8 10 : Electronics](https://m.media-amazon.com/images/I/61tpECZknhL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: CERRXIAN 1FT RS485 to USB Terminal Converter Serial Port Cable for Windows 7 8 10 : Electronics
![Amazon.com: Gearmo 4 Port USB to Serial RS232 Adapter FTDI Chipset, Supports Win 11, 10, 8, 7, Linux, Mac w/ESD and Surge Protection : Electronics Amazon.com: Gearmo 4 Port USB to Serial RS232 Adapter FTDI Chipset, Supports Win 11, 10, 8, 7, Linux, Mac w/ESD and Surge Protection : Electronics](https://m.media-amazon.com/images/I/71e6u3F17TL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Gearmo 4 Port USB to Serial RS232 Adapter FTDI Chipset, Supports Win 11, 10, 8, 7, Linux, Mac w/ESD and Surge Protection : Electronics
![Amazon.com: StarTech.com 3ft (1m) USB to Serial Cable with COM Port Retention, DB9 Male RS232 to USB Converter, USB to Serial Adapter for PLC/Printer/Scanner, Prolific Chipset, Windows/Mac (1P3FPC-USB-SERIAL) : Electronics Amazon.com: StarTech.com 3ft (1m) USB to Serial Cable with COM Port Retention, DB9 Male RS232 to USB Converter, USB to Serial Adapter for PLC/Printer/Scanner, Prolific Chipset, Windows/Mac (1P3FPC-USB-SERIAL) : Electronics](https://m.media-amazon.com/images/I/81QG-HKfYCL._AC_UF894,1000_QL80_.jpg)
Amazon.com: StarTech.com 3ft (1m) USB to Serial Cable with COM Port Retention, DB9 Male RS232 to USB Converter, USB to Serial Adapter for PLC/Printer/Scanner, Prolific Chipset, Windows/Mac (1P3FPC-USB-SERIAL) : Electronics
![Amazon.com: SABRENT USB 2.0 to Serial (9-Pin) DB-9 RS-232 Adapter Cable 6ft Cable [FTDI Chipset] (CB-FTDI) : Electronics Amazon.com: SABRENT USB 2.0 to Serial (9-Pin) DB-9 RS-232 Adapter Cable 6ft Cable [FTDI Chipset] (CB-FTDI) : Electronics](https://m.media-amazon.com/images/I/81gEGk-oFoL._AC_UF894,1000_QL80_.jpg)
Amazon.com: SABRENT USB 2.0 to Serial (9-Pin) DB-9 RS-232 Adapter Cable 6ft Cable [FTDI Chipset] (CB-FTDI) : Electronics
![Amazon.com: StarTech.com USB to Serial Adapter - 1 Port - COM Port Retention - Texas Instruments TIUSB3410 - USB to RS232 Adapter Cable (ICUSB2321X),Black : Electronics Amazon.com: StarTech.com USB to Serial Adapter - 1 Port - COM Port Retention - Texas Instruments TIUSB3410 - USB to RS232 Adapter Cable (ICUSB2321X),Black : Electronics](https://m.media-amazon.com/images/I/61Vb4DrfL2L._AC_UF894,1000_QL80_.jpg)
Amazon.com: StarTech.com USB to Serial Adapter - 1 Port - COM Port Retention - Texas Instruments TIUSB3410 - USB to RS232 Adapter Cable (ICUSB2321X),Black : Electronics
![Amazon.com: DTech Serial Cable to USB Adapter DB9 Male RS232 Port Supports Windows 11 10 8 7 Mac (6 Feet, PL2303) : Electronics Amazon.com: DTech Serial Cable to USB Adapter DB9 Male RS232 Port Supports Windows 11 10 8 7 Mac (6 Feet, PL2303) : Electronics](https://m.media-amazon.com/images/I/61olKBs7UBL.jpg)
Amazon.com: DTech Serial Cable to USB Adapter DB9 Male RS232 Port Supports Windows 11 10 8 7 Mac (6 Feet, PL2303) : Electronics
![Amazon.com: Gearmo USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7/, Mac OS X 10.6 and Above : Electronics Amazon.com: Gearmo USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7/, Mac OS X 10.6 and Above : Electronics](https://m.media-amazon.com/images/I/614O44gHY0L._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Gearmo USB to Serial RS-232 Adapter with LED Indicators, FTDI Chipset, Supports Windows 11/10/8.1/8/7/, Mac OS X 10.6 and Above : Electronics
![Amazon.com: Moxa UPort 1150 USB To 1-Port RS-232/422/485 Serial Converter, 921.6Kbps, 15KV ESD Protection : Electronics Amazon.com: Moxa UPort 1150 USB To 1-Port RS-232/422/485 Serial Converter, 921.6Kbps, 15KV ESD Protection : Electronics](https://m.media-amazon.com/images/I/61E0fCT6llL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Moxa UPort 1150 USB To 1-Port RS-232/422/485 Serial Converter, 921.6Kbps, 15KV ESD Protection : Electronics
![Amazon.com: DIGI Edgeport/1 2-Meter Captive Cable 1P (301-1001-15) RS-232 serial DB-9, captive 2 meter cable : Electronics Amazon.com: DIGI Edgeport/1 2-Meter Captive Cable 1P (301-1001-15) RS-232 serial DB-9, captive 2 meter cable : Electronics](https://m.media-amazon.com/images/I/51X54s0Ev0L._AC_UF1000,1000_QL80_.jpg)