Features:
USB Type-C PD Chargers
USB Type-A Chargers
Multi-Port USB Chargers
Integration-Ready Charging PCBAs
RS-232 | 128 Bytes Receive | 384 Bytes Transmit Superior Build Quality: Housed in a rugged steel chassis with built in mountable flanges, the serial adapter…
Model# USBG-2COM-M
$103.29Not in stock - Backorder allowed
Backorder
RS-232 | 384 Bytes Receive | 128 Bytes Transmit Superior Build Quality: Housed in a rugged steel chassis with optional mountable flanges, the serial adapter…
Model# USB2-4COM-M
$117.49In stock
Add to cart
RS-232 | RS-422 | RS-485 | 2,000 Bytes Receive | 2,000 Bytes Transmit Superior Build Quality: Housed in a rugged steel chassis with built in mountable…
Model# USB2-4COMi-SI-TB
$269.29Not in stock - Backorder allowed
Backorder
Serial USB Adapter - Full RS232 Modem Control The USB-32COM-RM USB to 32 Port RS-232 Serial Adapter is designed for industrial applications and harsh environments making serial…
Model# USB-32COM-RM
$706.49Not in stock - Backorder allowed
Backorder
RS-232 | 512 Bytes Receive | 512 Bytes Transmit Superior Build Quality: Housed in a rugged steel chassis with optional mountable flanges, the serial adapter hub…
Model# CG-16COM-MINI
$422.99In stock
Add to cart
RS-422 | RS-485 | 384 Bytes Receive | 128 Bytes Transmit Superior Build Quality: Housed in a rugged steel chassis with optional mountable flanges, the…
Model# USBG-2COMi-SI-M
$221.99In stock
Add to cart
The MSD-SRF4XV2 provides seamless connectivity for RS-232, RS-422, and RS-485 serial devices over Ethernet, making it ideal for integrating PLCs, meters, sensors, and other legacy…
Model# MSD-SRF4XV2
$249.95Not in stock - Backorder allowed
Backorder
Serial RS232 to RS422 and RS485 converter with LED indicator for power and serial signals, full versatility is controlled by a built- in software configuration…
Model# SER-COMi-Si-M
$107.29In stock
Add to cart
Serial RS232 to RS422 and RS485 converter with LED indicator for power and serial signals, full versatility is controlled by a built- in software configuration…
Model# SER-COMi-M
$79.99In stock
Add to cart
RS-232 | RS-422 | RS-485 Safe Connections: Designed for use with Bar Code Scanners, Time Clocks, Label Printers, Point of Sale Terminals, Receipt Printers, and…
Model# CG-USBISOCOM-PRO
$142.49In stock
Add to cart
FAQ: Common USB to Serial Adapter Questions
Q: What is COM Port Retention and why do I need it?
A: COM Port Retention ensures that your assigned COM port number remains the same every time you plug in the adapter or reboot your PC. This prevents software communication errors and eliminates the need to manually reconfigure your application settings whenever hardware is moved.
Q: Can I use these adapters with Windows 11?
A: Yes, all Coolgear Serial adapters use modern FTDI or Silabs chipsets with WHQL-certified drivers for full Windows 11, Mac, and Linux support.
Q: What is the difference between an isolated and non-isolated serial adapter?
A: Isolated adapters use optical barriers to physically separate the electrical signals. This protects your computer from 2,500V surges and ground loops common in factory environments.
Q: Do these adapters require an external power supply?
A: Most of our single and dual-port models are USB bus-powered. High-density rackmount models (8-port+) feature integrated or external power supplies for maximum signal integrity.