Black Box USB to RS232 Opto-Isolated Converter

Black Box USB to RS232 Opto-Isolated Converter

  • $ 180.99

We currently have 5 in stock.
SKU: MPN: SP385A-R3 UPC:
Product Description

This compact opto-isolator enables you to attach an RS-232 device to a USB port and gain isolation from voltage spikes and ground loops. It doesn't require PCI or ISA slots, or IRQs. Using an optional USB Type A - Type B cable, simply plug the opto-isolator into the USB port and Windows will configure the device as an additional COM port.


  • Connects an RS-232 device to a PC's USB port
  • Protect your computer and RS-232 devices from voltage spikes and ground loops

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This compact opto-isolator enables you to attach an RS-232 device to a USB port and gain isolation from voltage spikes and ground loops. It doesn't require PCI or ISA slots, or IRQs. Using an optional USB Type A - Type B cable, simply plug the opto-isolator into the USB port and Windows will configure the device as an additional COM port.


  • Connects an RS-232 device to a PC's USB port
  • Protect your computer and RS-232 devices from voltage spikes and ground loops