Lindy USB to Serial RS232 Converter with 1.5m Adapter Cable, Prolific chipset, for PDAs, barcode readers, EPOS and Serial Port Equipped Devices, 1 x male 9Way pin D-Sub DB9, Windows, Mac, Linux
Manhattan USB-A to 4x Serial Port Converter, Male to Male, Serial/RS232, MosChip MCS7840, Automatic IRQ and I/O address selection, Bus powered, Silver, Boxed
AZDelivery 3 x FT232RL Mini USB to TTL Serial Converter Adapter Module 3.3V 5.5V FT232R Port DTR RX TX VCC CTS GND Pin compatible with Arduino and Raspberry Pi including E-Book!
AZDelivery 5 x compatible with FT232RL Mini USB to TTL Serial Converter Adapter Module 3.3V 5.5V FT232R Port DTR RX TX VCC CTS GND Pin compatible with Arduino and Raspberry Pi including E-Book!
StarTech.com 8 Port Serial Hub USB to RS232/RS485/RS422 Adapter - USB 2.0 to DB9 Serial Converter Hub - IP30 Rated - Din Rail Mountable Metal Serial Hub - 15kV ESD Protection (ICUSB234858I)
USB to RS‑232 Full‑Duplex Cable USB to Serial Adapter Mindpure Serial Port Cable Converter Cable US015 USB to DB9 RS‑232 Male to Male Computer Converter Cable