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⚡ Stay connected, stay ahead — the serial adapter that means business.
The OIKWAN USB to RS232 Serial Adapter features a gold-plated USB 2.0 male to female DB9 serial cable with a robust FTDI chipset, delivering reliable 1Mbps data transfer. Compatible with Windows, Mac, and Linux, this 6ft cable connects legacy serial devices like modems, CNC controllers, and POS systems directly to modern USB ports without extra power adapters, backed by a 2-year warranty.













| ASIN | B0BKJKYCJK |
| Best Sellers Rank | #5 in Serial Adapters |
| Brand | OIKWAN |
| Brand Name | OIKWAN |
| Cable Type | USB |
| Color | Black |
| Compatible Devices | Modem, Printer, Scanner, CNC and PLC controllers, POS system, Bar code scanner, Label printer, Cashier register Compatible Devices Modem, Printer, Scanner, CNC and PLC controllers, POS system, Bar code scanner, Label printer, Cashier register See more |
| Compatible Phone Models | No Compatible Phone Models |
| Connectivity Technology | USB |
| Connector Gender | Male-to-Female |
| Connector Type | Usb 2.0 |
| Customer Reviews | 4.4 out of 5 stars 195 Reviews |
| Data Transfer Rate | 1 megabits_per_second |
| Included Components | usb to DB9 female cable |
| Indoor Outdoor Usage | Indoor |
| Item Length | 6 feet |
| Item Shape | Round |
| Item Weight | 0.1 kg |
| Manufacturer | OIKWAN |
| Model | OIKWAN- |
| Model Name | usb to db9 female serial cable |
| Number of Items | 200 |
| Number of Pins | 9 |
| Other Special Features of the Product | Data Transfer |
| Part Number | 660D-FNYE |
| Recommended Uses For Product | Connecting electronic devices such as modems, ISDN Terminal Adapters, digital cameras, label writers, palm PCs, PDAs, cashier registers, CNC, PLC controllers, tax printers, POS systems, bar code scanners, and label printers |
| Special Feature | Data Transfer |
| UPC | 717186576303 |
| Unit Count | 1 Count |
| Warranty Description | 2-year warranty |
A**R
Terminal. Terminal everywhere.
Works to connect to my server and even my pet project of an SGI O2 workstation. Oikwan, despite what the name might suggest as cheap trash, has been very reliable brand for me. This and their Cisco cable is my go to for diagnostics.
P**Y
Great converter
Excellent adapters, works out of the box. Windows 11 finds it immediately. Removed the demand for extra cables to use with PLC Equipment.
J**.
It works well
This cable is awesome. Works with both my Linux and windows computers.
B**N
Works great
Works great job issues
S**S
Not working, support website inoperable
The product support website link does not work so I guess I'm coming here. Here's what AI is helping me figure out. The adapter is physically defective. An RS-232 Transmit (TX) line must idle at a negative voltage (typically -5V to -15V). Because your Pin 3 measures 0V, the internal line driver is dead. This is a hardware failure confirmed across two separate host devices. You cannot fix this with software; request a replacement. Defect: Pin 3 (TX) shows 0V; it must be negative. Verification: Tested on Pi 3 and Pi 5; both show 0V. Action: Initiate a return/replacement.
R**N
Serial to USB and back.
FTDI chipsets means no driver issues. My PC found the right drivers automatically.. Come in male and female D9 . Make sure you get the right ones or get the "sex change" adaptors.
S**N
solves problem of clutter .
Great value .
C**E
Great quality Cable works right out of the package.
Excellent product great quality materials. Works as expected and no issues with Driver install ( if needed from FTDI Website ) otherwise plug and play.
A**O
Adattatore usb - rs 232 per stampanti
Funziona bene , subito riconosciuta dalla stampante e dal pc senza driver aggiuntivi
J**7
1 was doa
1 one these was DoA
Trustpilot
2 weeks ago
2 months ago