It also establishes a bridge between the parallel devices such as printer and the computer USB port with 9pin. Provides a simple and convenient way to connect any USB ports and serial devices with 9-Pin RS232 interface.
eBay
USB 3.0 Header Extension Cable Low Profile USB 3.0 Internal 19/20 Pin Header Extender Motherboard Adapter 5.9 inch
Aliexpress UK
USB TO SERIAL: Connect serial RS232 (DB9 or DB25) devices to a computer with this USB to serial adapter. Secure the cable using the screw-lock nuts located on the male serial DB9/DB25 connector; Reach peripherals with extended cable length 3ft (91cm).
eBay
fenvi 9Pin USB Splitter Motherboard 1 to 2/4 Extension Cable Adapter 9-Pin 1 to 4 USB Female Header HUB Connectors for Desktop
Aliexpress UK
I can provide a large number of spare parts for old PCs. We have a lot of products and only show a small number of products on the website.
eBay
30cm 9pin USB Splitter USB 9 Pin Interface Header Motherboard Extension 1 To 2/4 Cable Desktop USB2.0 HUB Connector Adapter Port
Aliexpress UK
We will try our best to reduce the risk of the custom duties. We have a lot of products and only show a small number of products on the website. Item contains:One item.
eBay
Black 2 Port USB 2.0 Motherboard Rear Panel Expansion Bracket To IDC 9 Pin Motherboard USB Cable Host Adapter
Aliexpress UK
Key Features Connector Type: Audio Stereo DC3.5mm Jack to DB9 Female Serial Port. DB9 Pin 1, 6, 7, 8: Open.
eBay
New for Lenovo Motherboard to Ordinary Chassis Adapter Cable,USB 9-Pin Revolution 11-Pin Female Conversion Cable 24AWG, 5Pcs
Aliexpress UK
Supports RS232 serial interface. USB specification 1.1 and 2.0 compliant.
eBay
ARM-JTAG-20-10 . Sockets & Adapters JTAG 20 PIN 0.1" TO 10 PIN 0.05" ADAPTER ARM-USB-OCD-H, ARM-USB-TINY-H JLINK V9 V
Aliexpress UK
Traffic Safety Mirrors Driveway Mirror Mirror Junction Convex Mirror. DB15 VGA15 Female to Female Mini Gender Changer for PC Gender Changer. It is one of the best choices for you.Are you looking for a professional, yet affordableUSB to RS232 COM serial cable ?.
eBay
USB to 3-Pin / 4-Pin PWM 5V USB Sleeved Fan Power Adapter Cable Case Fan Adapter Connector Cable with ON Off Switch
Aliexpress UK
1 USB2.0 to RS232 cable. This product can easily realize the conversion between the computer USB interface and the universal serial port, providing a fast channel for the computer without the serial port, and using this product is equivalent to turning the traditional serial device into a plug-and-play USB device.
eBay
USB 2.0 A Male to 3-Pin / 4-Pin PWM 5V USB Sleeved Fan Power Adapter Cable for Case Fan Adapter Connector Cable
Aliexpress UK