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Amazon.com: Manhattan USB to Serial Converter Connects One Serial Device to A USB Port (205146) : Electronics
4 Port Professional RS-232 USB 2.0 to Serial Adapter
Mini USB to Serial Adapter Hi-Speed 920K FTDI Chip
USB to RS232 Serial Converter -- DataPro
Amazon.com: StarTech.com 3ft (1m) USB to Serial Cable, DB9 Male RS232 to USB Converter, Prolific IC, USB to Serial Adapter for PLC/Printer/Scanner/Switch, USB to COM Port Adapter, Windows/Mac (1P3FP-USB- SERIAL) : Electronics
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USB to RS232 Adapter / Converter – CommFront
Black Box IC199A-R4 Converter Cable | Free Shipping
Amazon.com: Cable Matters USB to Serial Adapter Cable (USB to RS232, USB to DB9) 3 Feet : Electronics
StarTech.com 1 Port Professional USB to Serial Adapter Cable with COM - ICUSB2321X
Fiber Optic Converter, USB 3 1000Base-SX - USB and Thunderbolt Network Adapters | StarTech.com
StarTech.com USB C to Serial Adapter Cable 16in - COM Retention - USB Type-C to RS232 DB9 Converter - ICUSB232PROC - Serial Cables - CDW.com
HP USB to Serial Port Adapter J7B60AA B&H Photo Video
C-USB-SERIAL: USB to RS-232 DB9M Serial Converter - iWorx Systems Inc
USB To DB9 Serial Adapter With 6 Ft Cable | Cables.com
CBL-SERCBL-01 - USB to Serial Converter
1 Port USB 2.0 to Serial Adapter Cable - Serial Cards & Adapters | StarTech. com Europe
USB to RS232 Converter - 6ft - CAB-11304 - SparkFun Electronics
Insignia™ 1.3' USB-to-RS-232 (DB9) PDA/Serial Adapter Cable, with Prolific Chipset Black NS-PU99501 - Best Buy
USB 2.0 To Serial DB9 Male (9 Pin) RS232 Cable Adapter - Sabrent
4-port USB to RS485 and USB to RS422 converter
