USB to serial RS232 adapter with two ports
USB to RS232 DB9/DB25 Serial Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
USB to RS-232 DB9 1-Port Serial Interface Adapter - Sealevel
USB Interface Cable(s) | Onset's HOBO and InTemp Data Loggers
High-Speed USB-to-Serial Adapter for Windows 8 32/64-bit - U.S.Converters
USB to 1-Port Isolated RS-232 DB25 Serial Interface Adapter - Sealevel
1 Port USB 2.0 to Serial Adapter Cable - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com Mexico
USB to RS-232 DB9 1-Port Serial Interface Adapter - Sealevel
Keyspan RS232 to USB-A Adapter, DB9, 3-ft Cable | Eaton
USB to 4-Port RS-232 DB9 Serial Interface Adapter - Sealevel
Mini USB to Serial Adapter Hi-Speed 920K FTDI Chip
HP USB to Serial Port Adapter - J7B60AA - Storage Mounts & Enclosures - CDW.com
Amazon.com: HDE USB to Serial Interface Cable with Serial to RJ45 Console Adapter Cable for Cisco Routers : Electronics
USB to Serial Adapter 1 Port RS-232 DB9, U-224, Synchrotech
USB C to Serial Adapter w/ COM Retention - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
4 Port Professional RS-232 USB 2.0 to Serial Adapter
Dynex™ 16" USB PDA/Serial Adapter Cable Black DX-UBDB9 - Best Buy
RS422 RS485 USB Serial Cable Adapter - Serial Cards & Adapters | Add-on Cards & Peripherals | StarTech.com
778473-04 - Ni - Serial Interface Device, USB-232/4, USB 2.0
Amazon.com: Eagle Electronics Mini USB to Serial Converter Prolific Chipset PL2303HXD (Mini USB to Serial Converter Prolific Chipset PL2303HXD) : Electronics
4-Port USB to RS-232 Serial Adapter Hub
2-Port Professional RS-232 USB 2.0 to Serial Adapter 5ft.
1505 - USB to fiber optic serial interface - Taylor Electronics
4 Port Professional RS-232 USB 2.0 to Serial Adapter
USB to 8-Port RS-232 DB9 Serial Interface Adapter - Sealevel
Amazon.com: Plugable USB to Serial Adapter Compatible with Windows, Mac, Linux (RS-232/DB9 DTE Male Connector, Prolific PL2303HX Rev. D Chipset) : Electronics
