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Black Box USB to RS422/485 Converter with Opto-Isolation SP390AR3
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For Government/Education/Business pricing, please call 440.355.8008
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General Information
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. |
Interfaces/Ports
| Total Number of Ports: | 2 |
| USB: | Yes |
Power Description
| Power Source: | USB |
Physical Characteristics
| Height: | 3" |
| Width: | 1.7" |
| Depth: | 0.8" |
Miscellaneous
| Environmentally Friendly: | Yes |
| Country of Origin: | United States |
| TAA Compliant: | Yes |
Warranty
| Limited Warranty: | 5 Year |
 | WARNING: This product can expose you to chemicals including Di(2-ethylhexyl)phthalate (DEHP), which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov. |
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Shipping Restrictions
Special Order Item
- This item cannot be shipped to PO Boxes.
- This item can be shipped only within the U.S.
Special Order Item
This item ships directly from the manufacturer and is not stocked in our warehouse. If stock is available at the manufacturer, the item will ship directly to you, usually within 7 - 15 business days.
Once the order has been sent to the manufacturer it can no longer be canceled.
If payment is made via credit card it will be charged before the order is sent to the manufacturer.
You must contact the manufacturer directly regarding returns and defective items.
We will contact you by email if the item is sold out or backordered (and we were unable to update the site before you placed the order) or if the item will be delayed longer than expected.
We have no control over the speed of the manufacturer's order processing, or whether they will honor your request to ship the item by any particular method.
- UPC: 822088142300
- Mfr's Part #: SP390A-R3
The product you are viewing is available for sale on our GSA Schedule 70 Contract. Any purchaser who is eligible to purchase through GSA will be able to receive this product at the discount
price negotiated by GSA. For GSA pricing, please see our listings on GSAadvantage,
or contact our GovEd department to request pricelist. Pricing offered on GSAadvantage and our GSA pricelist is standardized pricing.
You may be eligible for further discounts for many of the products we offer. Please contact our GovEd Department to negotiate additional discounts.
Most federal government agencies are eligible to purchase through GSA. State and local government agencies, along with educational institutions are also eligible due to the fact that we participate in Cooperative Purchasing. State and Local Government Agencies and Educational Institutions may also request to purchase many of our products at a discount without purchasing through GSA. Please contact our GovEd department with any questions.
Most federal government agencies are eligible to purchase through GSA. State and local government agencies, along with educational institutions are also eligible due to the fact that we participate in Cooperative Purchasing. State and Local Government Agencies and Educational Institutions may also request to purchase many of our products at a discount without purchasing through GSA. Please contact our GovEd department with any questions.
