USB-to-serial adapter - Wikipedia
USB 2.0 RS-232 Serial Adapter with LED Indicators
10ft High-Speed USB RS-232 Serial Adapter FTDI Chipset - 11
RS422 RS485 USB Serial Cable Adapter - Serial Cards & Adapters | StarTech.com
USB To RS485/RS422 FTDI Serial Adapter, 30-in. | Eaton
PS/2 SERIAL MOUSE ADAPTER / necroware (For converting PS/2 mouse to serial mouse) - Share Project - PCBWay
USB to PS/2 Adapter | Adapters and Couplers | Audio Video
USB to RS232 Serial Port 9 Pin Cable Serial Port USB Wire With For Win98, 98SE, Me, 2000, XP, OS8.6, Win7-32 bit - Walmart.com
Amazon.com: StarTech.com Replacement USB Mouse to PS/2 Adapter - F/M - USB mouse to PS2 Adapter - USB to PS2 Adapter - (GC46FM),Green : Electronics
C2G 1.5ft USB to Serial Cable - USB to DB9 Serial RS232 Cable - M/M - 26886 - USB Adapters - CDW.com
Amazon.com: Cable Matters USB to Serial Adapter Cable (USB to RS232, USB to DB9) 3 Feet : Electronics
Amazon.com: Top-Longer USB Male to PS/2 Female Converter Cable Cord Converter Active Adapter PS2 Keyboard Mouse Cable : Electronics
USB Mouse to PS2 Adaptor -- DataPro
USB to PS/2 Adapter | Adapters and Couplers | Audio Video
PERIPRO-401 - PS/2-USB Adapter for Keyboard and Mouse – Perixx USA
Keyspan RS232 to USB-A Adapter, DB9, 3-ft Cable | Eaton
StarTech.com Replacement PS2 Mouse to USB Adapter FM Plug your PS2 mouse into a USB port ps2 to usb adapter ps2 mouse to usb adapter - Office Depot
tinkerBOY ADB Keyboard/Mouse to USB Converter with QMK Firmware and Via support - tinkerBOY
Amazon.com: PS2 to USB Female,PS/2 Male Converter Changer Adapter for Keyboard Mouse 2pcs by Oxusbor(Notice:Can't Match All Motherboard,Have Matching Problem) : Electronics
