USB 2.0 to 4 Port RS-232 Serial Adapter Optical isolated

Model No. USB2-4COM-SI-M

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 isolated with 2000 volt DC optical isolation on 8 signal pins. Meets the highest level of optical isolation protecting your computer from spikes and surges.

  • Incorporates Optical Isolation and Surge Protection over each port.
  • Connects to a Host USB system port or USB Hub via USB cable
  • Provides high speed serial port baud rate at 921.6Kbps
  • Installed as a standard Windows COM port to communicate with Factory Automation, Bar Code Scanners, Time Clocks or other.


In stock

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Units Price
1 - 4 $274.95
5 - 11 $266.70
12 - 24 $261.20
25 - 49 $255.70
50+ $247.46
USB 2.0 Optical Isolated RS-232 Serial Adapter
USB 2.0 to 4 Port RS-232 Serial Adapter Optical isolated


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