USB to RS-232 DB9 1-Port Serial Interface Adapter - Sealevel
1M USB to RS-232 Converter - UC232A1, ATEN Converters | ATEN U.S.A.
3ft USB to Serial Cable/RS232 Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
C-USB-SERIAL: USB to RS-232 DB9M Serial Converter - iWorx Systems Inc
Amazon.com: CableCreation USB to RS232 Adapter with PL2303 Chipset, 6.6ft USB 2.0 Male to RS232 Female DB9 Serial Converter Cable for Cashier Register, Modem, Scanner, Digital Cameras, CNC,Black : Electronics
Amazon.com: C2G Legrand USB to DB9 Serial Adapter Cable, Adapter Cable, USB to Desktop Adapter, 1.5 Foot Adapter Cord, Gray, 1 Count, C2G 26886 : Electronics
USB to RS232 Converter - 6ft - CAB-11304 - SparkFun Electronics
RS232 to USB converter - Victron Energy
Amazon.com: Cable Matters USB to Serial Adapter Cable (USB to RS232, USB to DB9) 3 Feet : Electronics
USB to Serial Techly Adapter Converter in Blister - Serial Cards - PC cards - PC and Mobile
USBSEAD | i-tec USB to Serial RS232 Adapter | i-tec
Mettler Toledo RS232 to USB Converter Cable for XPR Microbalances and Ultra-Microbalances | Fisher Scientific
USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com Italy
1.5ft (0.46m) USB to DB9 Serial RS232 Adapter Cable | Adapters and Couplers | Audio Video
StarTech.com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, USB to Serial Adapter for PLC/Printer/Scanner/Network Switches, USB to COM Port Adapter | www.shi.com
C2G 1.5ft USB to Serial Cable - USB to DB9 Serial RS232 Cable - M/M - 26886 - USB Adapters - CDW.com
Tripp Lite 5ft USB to Serial Adapter Cable USB-A to DB9 RS-232 M/M 5' - serial adapter - USB - RS-232 - U209-000-R - USB Adapters - CDW.com
USB RS-232 DB9 Male Serial Adapter Converter with Prolific Chip
Startech.Com USB to Serial RS232 Converter w/ Removable USB Cable ICUSB232D | Zoro
USB 2.0 RS-232 Serial Adapter with LED Indicators
USB to RS232 Converter - CAB-08580 - SparkFun Electronics
PRO Single Port USB to Serial Adapter with Activity LED 3ft.
High-Speed USB to Serial Adapter - Ultimate. For Windows, Linux, Mac
Industrial Grade USB-RS485 RS422 RS232 Signal Converter FTDI Chip Isolated Module USB TO RS232/422/485 Magnetic Isolation - AliExpress