BlackBox Black Box USB to RS422/485 Converter with Opto-Isolation


Black Box USB to RS422/485 Converter with Opto-Isolation
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Black Box USB to RS422/485 Converter with Opto-Isolation

ackBox - - USB - USB - TAA Compliant

MFG. PART: SP390A-R3 UPC: 822088142300
Warranty: 5 Year Warranty
  • Product Type: Transceiver/Media Converter
  • Power Source: USB
  • USB: Yes
  • Total Number of Ports: 2
Availablity: Backordered

MSRP: $263 $240 CAD

$240 - Add to Cart
Backorder Policy – What to expect when ordering an out of stock item.
  • When you order an out-of-stock item we will pre-authorize your credit card. You will not be charged until the item is ready to ship.
  • Pricing on backordered items is subject to change prior to shipping. Items on rebate/promotion must ship during the promotion period or price will not be maintained. If a price increases, we will contact you and you will have the option to continue at the higher price or cancel your order.
  • Most backorders can be cancelled prior to shipping with the exception of items considered to be Non Cancelable Non Returnable or NCNR.
  • ETA’s provided are based on supplier and manufacturer data and are subject to change.
  • Once an item is available to ship, we will charge your payment method and send you courier tracking information.
Further details for this item coming soon.

General Information

Manufacturer: Black Box Corporation
Manufacturer Part Number: SP390A-R3
Manufacturer Website Address:
Brand Name: Black Box
Product Model: SP390A-R3
Product Name: USB to RS422/485 Converter with Opto-Isolation
Product Type: Transceiver/Media Converter


Total Number of Ports: 2
USB: Yes

Power Description

Power Source: USB

Physical Characteristics

Height: 3" (76.20 mm)
Width: 1.68" (42.67 mm)
Depth: 0.79" (20.07 mm)


Environmentally Friendly: Yes
Environmental Certification: RoHS, WEEE
Country of Origin: United States
TAA Compliant: Yes


Limited Warranty: 5 Year
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