Marketing 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.
Total Number of Ports: 2USB: YesPower Source: USBHeight: 3" (76.20 mm)Width: 1.68" (42.67 mm)Depth: 0.79" (20.07 mm)Environmentally Friendly: YesEnvironmental Certification: Country of Origin: United StatesTAA Compliant: YesLimited Warranty: 5 Year
[custom-specifications]
SpecificationsManufacturer: Black Box Corporation
Manufacturer Part Number: SP390A-R3
Manufacturer Website Address: http://www.blackbox.com
Brand Name: Black Box
Product Model: SP390A-R3
Product Name: USB to RS422/485 Converter with Opto-Isolation
Product Type: Transceiver/Media Converter
Interfaces/PortsTotal Number of Ports: 2
USB: Yes
Power DescriptionPower Source: USB
Physical CharacteristicsHeight: 3" (76.20 mm)
Width: 1.68" (42.67 mm)
Depth: 0.79" (20.07 mm)
MiscellaneousEnvironmentally Friendly: Yes
Environmental Certification:
Country of Origin: United States
TAA Compliant: Yes
WarrantyLimited Warranty: 5 Year
[/custom-specifications]
