Industrial Serial to USB Adapters

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12in. USB to DB-9 Serial RS-232 High Speed Adapter w/ Prolific Chipset
RS-232
USB to Serial RS232, 422, 485 Adapter with DIP Switch
RS-422
USB to 4 port RS-422 485 Optically Isolated Adapter
RS-485
12in. USB to DB-9 Serial RS-232 High Speed Adapter w/ Prolific Chipset
Multi-Standard Series
12in. USB to DB-9 Serial RS-232 High Speed Adapter w/ Prolific Chipset
CAN BUS
12in. USB to DB-9 Serial RS-232 High Speed Adapter w/ Prolific Chipset
Serial Over Ethernet
RS-232 | FTDI Expand Your Serial Capabilities: Connect your legacy 9-pin serial device through a USB-A port to add legacy functionality to newer technologies with no…

Model# USBG-RS232-P12

$18.95

In stock

Out of stock
USB to RS232 Adapter The USB-4X-RS232 USB to serial converter is designed for PC, thin client, or server to provide instant COM ports expansion via…

Model# USB-4XRS232

$97.95

Out of Stock

Out of stock
USB to RS232 - Prolific Chipset The 36 inch USB to Serial DB9 adapter with Prolific Chipset (CG-RS232-P36) is meant for the shorter connections to…

Model# USBG-RS232-P36

$27.95

Out of Stock

USB to Serial Adapter - High Speed Prolific Chipset USB DB-9 Serial 72 inch RS-232 Adapter cable for connecting to serial devices without the need for…

Model# USBG-RS232-P72

$32.95

In stock

Out of stock
USB to RS232 Adapter The USBG-8X-RS232 USB to Serial Adapter Box is designed for PC, it has intelligent expansion modules that connect to a PC…

Model# USBG-8X-RS232

$181.95

Out of Stock


A Serial Adapter also referred to as a serial converter or RS232 adapter is a small device that converts serial data signals into various other formats that are more widely accepted in modern technology. Serial signals are often found in modern industrial devices and older personal hardware such as PCs, printers, and scanners. The most common serial adapters are RS232 to USB Adapters which Coolgear makes many variations of. This sort of adapter comes in USB-A, USB-B, and USB-C, from 1 port to many ports. If you need to utilize your serial devices on machines that don't have serial ports, we have the serial adapter for you.