This kind of IDE to adapter could turn your 40pin HDD to a adapter, making your work more convenient and easier. Material: PCB Double-deck circuit board.
eBay
Serial Port RS485 to WiFi Serial Device Server Elfin-EW11 Support TCP/IP Telnet Modbus TCP Protocol IOT Data Transfer Converter
Aliexpress UK
Includes user manual - but no power supply. Get your vintage peripherals talking again. Made in Scotland !
eBay
1 Pcs DB9 Serial Cable 9 Pin RS232 Serial Cable Male To Female PC Converter Extension 9Pin Adapter Cable 1.5m/3m
Aliexpress UK
Betterbox Communications PN 2025 Serial Parallel Converter DB25F Centronics Male Betterbox 2025!! Great used condition Free uk shipping Please see our other items
eBay
TTL-232R-3V3 TTL-232R-5V USB to TTL Serial Converter Cable FTDI Chipset FT232RL USB to 3.3v 5v TTL UART Serial Download Cable
Aliexpress UK
You get 2 CD4034BE integrated circuits.
eBay
USB Roland Serial Programming Cable FTDI FT231XS USB RS232 Serial to DB25 Male Converter Cable For Roland Amanda Haas CNC NM-25M
Aliexpress UK
After restarting, check if the system has discovered new hardware. Note：If the product does not recognize the HDD or DVD/CD optical drive.The IDE device must set the jumper cap to the (MA) Master position.
eBay
DB9 Serial Cable 9 Pin RS232 Serial Cable Male To Female PC Converter Extension Cable 9Pin Adapter Cable 1.5m/3m
Aliexpress UK
Good Good quality.
eBay
WitMotion Serial Cable, TTL/RS232/RS485 interface optional, 1 meter length, Serial Converter for witmotion UART sensor series
Aliexpress UK
⚡ Black Box Corp PI115A Serial-Parallel Converter III | P0912KA | New Marine & Industrial High-quality Black Box PI115A Serial-Parallel Converter III (P0912KA, Rev. 0D), ideal for marine, industrial, and laboratory applications. Brand new and fully operational. Application: Marine communication systems, industrial automation, laboratory equipment 1 × Black Box PI115A Serial-Parallel Converter III (P0912KA, Rev. 0D) 🔍 Please confirm compatibility with your system before purchasing 🛡️ Professionally tested before dispatch – fully functional guaranteed 🌍 Buyer responsible for import duties, taxes, and customs fees in destination country Black Box PI115A | Serial-Parallel Converter III | P0912KA | Rev. 0D | New Marine Communication Converter | Industrial Automation Device | Tested OEM Converte.
eBay
USB To 25 Pin DB25 Female IEEE 1284 Parallel Printer LPT Adapter Print Converter Cable Parallel Interface Communication
Aliexpress UK
We are here to help and will do our best to resolve any issues. ref no: 140874.
eBay
Plastic Parallel Adapter DIY Accessories XT60 To XT30 Converter Connector Replacement Parallel Connector for Lithium Battery ESC
Aliexpress UK