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Black Box USB to RS422/485 Converter with Opto-Isolation (SP390AR3)
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Black Box USB to RS422/485 Converter with Opto-Isolation (SP390AR3)
Price: US $269.99
Black Box USB to RS422/485 Converter with Opto-Isolation (SP390AR3) Black Box USB to RS422/485 Converter with Opto-Isolation (SP390AR3)

International Customers: All electronic products are packaged for sale in the US with US voltage.

TAA Compliant: Yes

Environmentally Friendly: Yes

Environmental Compliance:

Restriction of Hazardous Substances (RoHS)
Waste Electrical and Electronic Equipment Directive (WEEE)

Country of Origin: United States

Product Description

This item is brand-new, factory sealed.

  • Great for linking older serial devices to computers or laptops with USB ports.
  • Offers 2-wire RS-485 or 4-wire RS-422/RS-485 operation.
  • Holds connections tight with its high-retention USB connector.
  • USB 1.0, USB 1.1, and USB 2.0 compatible (12 Mbps).
  • Interface powered. No external power required.
  • Serial terminal block can be removed for easy wiring.
  • LEDs indicate transmitting and receiving of data.

This compact device quickly converts USB port connections to RS-422/485 so you can connect legacy serial devices to a newer PC or laptop. Continue to use legacy commercial and industrial RS-422/485 devices without making any changes to the applications written for them.

Plus, because it features 2000-volt optical isolation, you can protect your PC and other equipment from dangerous spikes and surges on the RS-485/RS-422 network.

Simply plug it into your PC's USB port using the included USB cable (3-ft.), then configure its DIP switches for 2- or 4-wire operation. The converter will show up as an additional COM port in your PC's Windows Device Manager.

SpecificationPower DescriptionPower SourceUSBPhysical Warranty5 YearInterfaces/PortsTotal Number of Ports2USBYesGeneral InformationBrand NameBlack BoxMarketing Information Great for linking older serial devices to computers or laptops with USB ports. Offers 2-wire RS-485 or 4-wire RS-422/RS-485 operation. Holds connections tight with its high-retention USB connector. USB 1.0, USB 1.1, and USB 2.0 compatible (12 Mbps). Interface powered. No external power required. Serial terminal block can be removed for easy wiring. LEDs indicate transmitting and receiving of data. This compact device quickly converts USB port connections to RS-422/485 so you can connect legacy serial devices to a newer PC or laptop. Continue to use legacy commercial and industrial RS-422/485 devices without making any changes to the applications written for them. Plus, because it features 2000-volt optical isolation, you can protect your PC and other equipment from dangerous spikes and surges on the RS-485/RS-422 network. Simply plug it into your PC's USB port using the included USB cable (3-ft.), then configure its DIP switches for 2- or 4-wire operation. The converter will show up as an additional COM port in your PC's Windows Device Manager. Product TypeTransceiver/Media ConverterProduct NameUSB to RS422/485 Converter with Opto-IsolationManufacturerBlack Box CorporationManufacturer Part NumberSP390A-R3Product ModelSP390A-R3TitleProduct TitleBlack Box USB to RS422/485 Converter with Opto-Isolation (SP390AR3) Shipping

Most orders placed prior to 11AM PST ship same business day

Some lightweight items ship Postal and can be shipped to a PO BOX. Most other orders will ship via UPS or FedEx. Please note we cannot ship UPS or FedEx to PO Box addresses.

Expedited orders will ship 2nd Day Air

Returns

This item is eligible for return within 30 days of delivery. Opened items must be in re-sellable condition including original packaging and all accessories.

Please visit our Returns Page for more information on Excluded Items, Damage Claims, and more details on requesting RA information.

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About Beach Audio

Founded in August 2002, Beach Audio´s mission is to provide the best experience on the Internet for buying Consumer Electronics. We focus on making purchasing online a pleasant experience. We offer flat rate Ground shipping on all items less than 75 pounds that can be shipped via common carrier. Our sales office is located in beautiful town of Redondo Beach, California, just a few miles South of Los Angeles International Airport. We do not stock any inventory at our sales office. Instead, we ship from several warehouses located throughout the country. Our sophisticated fulfillment system will automatically ship from the warehouse location that is closest to your shipping address! Why are our prices so low? It´s simple. We have modeled our business much like a wholesaler. We sell in huge volume and have streamlined our operations to provide you with the best combination of price and service available anywhere.

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