Black Box - serial adapter - USB - RS-232 - TAA Compliant - IC199A-R4 - USB Adapters - CDW.com
Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable, with Prolific Chipset Black NS-PU99501 - Best Buy
USB-232-K Isolated USB to RS232 Converter ($67.00) : Saelig Online Store
12in. High-Speed USB to RS-232 Serial DB9 Adapter Cable - Windows 7/8
FTDI USB to RS-232 Adapter - Reliable SD cards for industrial Raspberry Pi
Amazon.com: Cable Matters USB to Serial Adapter Cable (USB to RS232, USB to DB9) 3 Feet : Electronics
USB to RS232 Converter - 6ft - CAB-11304 - SparkFun Electronics
USB-RS232-WE-5000-BT_3.3 - FTDI
1M USB to RS-232 Converter - UC232A1, ATEN Converters | ATEN Corporate Headquarters
USB to RS232 Adapter / Converter – CommFront
Amazon.com: Plugable USB to Serial Adapter Compatible with Windows, Mac, Linux (RS-232DB9 DTE Male Connector, Prolific PL2303HX Rev. D Chipset) : Electronics
Cables & Accessories: CABLE-USB-232-CONV
RS232 to USB converter - Victron Energy
USB/Serial Converter [FT232RL] : ID 18 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits
USB-C to Serial Adapter, RS232
StarTech 1' USB to RS232 Serial Adapter Cable, Black (ICUSB232V2) | Staples