Black Box Opto-Isolator USB to RS-422/RS485
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Black Box Opto-Isolator USB to RS-422/RS485
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Black Box Opto-Isolator USB to RS-422/RS485 - Serial adapter - USB - RS-422/485 (SP390A-R2)

Item#:  8585548  | Model#: SP390A-R2
$6.99 Shipping
In Stock. Usually ships next business day. (Details)

Additional Resources

Black Box Opto-Isolator USB to RS-422/RS485 Product Details

With this compact optically isolated device, you can protect your PC from dangerous spikes and surges on the RS-485/RS-422 network. Simply plug it into your PC's USB port (using an optional USB Type A - Type B cable) and configure its DIP switches for 2- or 4-wire operation. There's no need to use any ISA or PCI slots or IRQs. Windows automatically configures the output as an additional COM port.


   Device Type:  Serial adapter
   Form Factor:  External
   Interface (Bus) Type:  USB

   Ports:  RS-422/485
   Connectivity Technology:  Wired
   Data Link Protocol:  RS-422, RS-485
   Status Indicators:  Transmit, receive
   Features:  2000V isolation

Expansion / Connectivity
   Interfaces:  1 x RS-422/485 - terminal block
   Connections:  1 x USB - 4 pin USB Type B

Software / System Requirements
   OS Required:  Microsoft Windows 98, Microsoft Windows 98SE/2000/ME/XP

Dimensions & Weight
   Width:  5 in
   Depth:  2.7 in
   Height:  0.9 in

Manufacturer Warranty
   Service & Support:  2 years warranty
   Service & Support Details:  Limited warranty - 2 years
  • Manufactured by: Black Box Corporation
    Warranty provided by: Black Box Corporation
    UPC No:
    Mfg Part No: SP390A-R2
  • Box Size: ( Length:4, Width:1, Depth:1)
    Shipping Weight: 0.5900 pound(s)
    Click here for full warranty and support information
  • Black Box Corporation logos are registered trademarks of Black Box Corporation. All others trademarks and copyrights mentioned herein are the property of their respective owners.
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