USB to 4-Port RS-232 DB9 Serial Interface Adapter - Sealevel
PRO Single Port USB to Serial Adapter with Activity LED 3ft.
High-Speed USB-to-Serial Adapter for Windows 8 32/64-bit - U.S.Converters
USB to RS232 Serial Cable + MAX3232 RS232 to TTL Serial Adapter Converter Module | eBay
Satechi Aluminum USB-C Multiport Pro Adapter - Apple
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
USB to RS232 Converter - 6ft - CAB-11304 - SparkFun Electronics
Ethernet to Serial & HID Keyboard Converter – Intelletto Online Store
Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable, with Prolific Chipset Black NS-PU99501 - Best Buy
10 ft USB to Parallel Printer Adapter - Parallel Cards & Adapters | StarTech.com
USB to I2C Converter with Virtual COM Port FT230XS - store.ncd.io
USB to RS422 adapters (HIGH SPEED) — Connective Peripherals - US Store
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
USB to RS-232 2-Port DB9 Serial Adapter/Converter Multi-2/USB RS232 – Envistia Mall
4 Port Professional RS-232 USB 2.0 to Serial Adapter
DTECH USB to RS422 RS485 Serial Port Converter Adapter Cable with FTDI Chip Supports Windows 10 8 7 XP and Macbook USB Converters - Newegg.com
16 Port USB to RS-232 422/485 Metal Serial Adapter DIN-Rail Mount - Coolgear
4-port USB to Serial RS232 Converter
USB C to Serial Adapter w/ COM Retention - Serial Cards & Adapters | StarTech.com
Electronic Master USB to RS232 Cable EM620503 - The Home Depot
Shimadzu Scientific US Webstore - CONVERTER, RS-232 TO USB
ATEN - serial adapter - USB - RS-232 - UC232A - USB Adapters - CDW.com
USB To DB25 Parallel Port Printer Adapter Cable
