The BLACK BOX CORPORATION SP390A-R3 is a USB to RS422/485 converter designed for industrial and commercial environments requiring reliable serial communication. This device facilitates the connection of RS-422 or RS-485 serial equipment to a host system via a standard USB port. It supports both 2-wire RS-485 and 4-wire RS-422/RS-485 operation, offering flexibility for various serial network configurations. A key feature is its opto-isolation, which protects connected devices from electrical surges and ground loops, enhancing system stability and longevity. This converter is suitable for IT professionals and businesses integrating legacy serial devices with modern computer systems, or for applications where robust, isolated serial communication is critical for data integrity and equipment protection.
The converter supports 2-wire RS-485 or 4-wire RS-422/RS-485 operation, providing versatility for different serial communication needs.
Opto-isolation protects connected equipment from electrical surges, ground loops, and noise, ensuring data integrity and enhancing the reliability of the communication link.
The product description mentions that it 'holds connections tight,' suggesting a robust physical interface for reliable serial connections.
Yes, its support for RS-422/485, combined with opto-isolation, makes it suitable for industrial environments where robust and protected serial communication is often required.
SP390A-R3 - Black Box Corporation USB TO RS422/485 CONVERTER WITH OPTO-ISOLATION