PDA8232-N USB to RS-232 Converter
Single Port USB 2.0 to RS-422 / RS-485 DB-9 Serial Adapter - Coolgear
Amazon.com: UTEK UT-880 USB to RS-232 Interface Protocol Vonverter VER 2.0(1-Port USB to RS-232 Serial Converter with ESD Protection) : Electronics
USB to RS-232 Adapter (35cm) - UC232A, ATEN Converters | ATEN Corporate Headquarters
Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable, with Prolific Chipset Black NS-PU99501 - Best Buy
![USB/Serial Converter [FT232RL] : ID 18 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits](https://cdn-shop.adafruit.com/970x728/18-06.jpg "USB/Serial Converter [FT232RL] : ID 18 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits")
USB/Serial Converter [FT232RL] : ID 18 : $17.50 : Adafruit Industries, Unique & fun DIY electronics and kits
36in. USB to RS-232 Serial DB9 Adapter w/ Prolific Chip (Pl-2303HX)
USB to RS-232 DB9 Serial 9 pin Adapter (Prolific PL2303) - Sabrent
USB to RS-232 DB9 1-Port Serial Interface Adapter - Sealevel
Marshall Electronics USB to RS-485/RS-422 Converter CV-USB-RS485
Amazon.com: Cable Matters : Electronics
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 to RS-232 DB9 1-Port Serial Interface Adapter - Sealevel
USB-A to Serial Adapter Cable - RS232, DB9, 5-ft. | Eaton
IOGEAR - GUC232A - USB to Serial Adapter
Plugable USB to RS-232 DB9 Serial Adapter (Prolific PL2303HX Chipset) – Plugable Technologies
DeLOCK USB to Seriel RS-232 adapter
USB to RS-485 Converter Cable
QCI-USB-RS485 - USB to RS-485 Converter
4O3A Signature - USB to RS-485
USB 2.0 RS-232 Serial Adapter with LED Indicators
USB to RS-232 DB9 Serial 9 pin Adapter (Prolific PL2303) - Sabrent
USB to RS-232 Serial Adapter DB9 - 8 Inch Short Cable
