Industrial Serial to USB Adapters

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USB 2.0 to 4 Port RS-232 Serial Adapter Optical isolated 4 Port Optical Isolation
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
USB 2.0 to 4 Port RS-232 Serial Adapter Optical isolated 4 Port Optical Isolation
Multi-Standard Series
USB 2.0 to 4 Port RS-232 Serial Adapter Optical isolated 4 Port Optical Isolation
CAN BUS
USB 2.0 to 4 Port RS-232 Serial Adapter Optical isolated 4 Port Optical Isolation
Serial Over Ethernet
USB to RS232 Serial Adapter USB 2.0 Serial Adapter with Optical isolation and surge protection is available on each serial port and is individually optically…

Model# USB2-4COM-SI-M

$274.95

Not in stock - Backorder allowed

USB to Serial Adapter for RS422 and RS485 Applications The USB-4COMi-SI-M is a USB to Quad RS-422 485 Optical isolated serial adapter and is designed for…

Model# USB-4COMi-SI-M

$384.95

In 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.