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Buy Black Box Network Services SP385A-R3 USB to RS232 Opto-Isolated Converter in United States - Rehmie.com

Black Box Network Services SP385A-R3 USB to RS232 Opto-Isolated Converter
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Black Box Network Services SP385A-R3 USB to RS232 Opto-Isolated Converter

REP1110796 REP1110796

Black Box Corporation

Black Box Corporation
2025-12-11 USD 339.26

$ 339.26 $ 342.69

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Black Box Network Services SP385A-R3 USB to RS232 Opto-Isolated Converter
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Description Product Specifications
Brand Black Box Corporation
Part Number SP385A-R3
Weight 0.47

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.


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

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