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,
USB to Serial Techly Adapter Converter in Blister - Serial Cards - PC cards - PC and Mobile
USB to Serial Converter Cable (DB-9M / USB Type-A Male), 3ft - Monoprice.com
USB to RS232 Adapter with PL2303 Chipset, CableCreation 6.6 ft USB 2.0 Male to RS232 Female DB9 Serial Converter Cable for Cashier Register, Modem, Scanner, Digital Cameras, CNC,Black - Walmart.com
Can a serial port be converted to a USB? - Quora
USB B Female to DB9 Male Serial Converter with 6ft USB A Male to USB B
Amazon.co.jp: UGREEN RS232 USB 9 Pin Converter Serial Cable D-sub9 Pin Compatible with Windows Mac OS 3.3 ft (1 m) : Computers
C2G 1.5ft USB to DB9 Serial Cable - RS232 Adapter Cable - Serial adapter - USB - RS-232 - blue | Dell USA
RS232 to USB Converter FTDI – LM060 – Bluetooth and WiFi Modules and Adapters – LM Technologies
USB/Serial Converter [FT232RL] : ID 18 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits
USB/Serial Converter - CI-6759 - Products | PASCO
USB To RS232 DB9 Converter Cable | Matrix Warehouse Computers
USB to RS232 Converter - 6ft - CAB-11304 - SparkFun Electronics
PRO Single Port USB to Serial Adapter with Activity LED 3ft.
USB to TTL UART RS232 Serial Converter Module PL2303HXA | Core Electronics Australia
USB to RS232 Serial Converter Cable
USB to Serial Adapter, Windows 8.1 32/64-bit - Tronicore
USB to Serial Adapter Cable
2-Port Professional RS-232 USB 2.0 to Serial Adapter 5ft.
Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable, with Prolific Chipset Black NS-PU99501 - Best Buy
Mettler Toledo RS232 to USB Converter Cable for XPR Microbalances and Ultra-Microbalances | Fisher Scientific
USB to Serial Converter - TRENDnet TU-S9
USB to RS232 DB9 Serial Adapter Cable - Serial Cards & Adapters | StarTech.com Italy
3ft USB to Serial Cable/RS232 Adapter - Serial Cards & Adapters | StarTech.com Canada