Black Box SP385A-R3
USB to RS232 Opto-Isolated Media Converter
The Black Box SP385A-R3 is a professional opto-isolated USB-to-RS232 media converter that provides safe, reliable, and compliant connectivity between modern USB ports and RS-232 serial devices. Featuring built-in optical isolation, it safeguards connected systems from surges, spikes, and ground loop interference, ensuring secure industrial and commercial applications.
As a genuine Black Box connectivity solution, the SP385A-R3 offers seamless data transmission, rugged dependability, and plug-and-play support, making it an essential tool for IT managers, engineers, and field technicians bridging legacy RS232 equipment with modern USB interfaces.
Features :
Supports full RS232 signaling for DTE and DCE devices, providing bidirectional communication with baud rates up to 921.6 kbps. Its 2 kV opto-isolation and ESD protection guarantee signal integrity and device safety, even in challenging industrial environments.
Advanced Options :
The SP385A-R3 operates directly from USB power without requiring an external supply. Featuring a rugged, compact enclosure, status LEDs for visual diagnostics, and included drivers for universal operating system support, it offers flexibility in labs, automation systems, and field deployments.
Product Key Features
- USB to RS-232 media converter with 2 kV optical isolation
- Protects equipment from surges and ground loop interference
- Powered directly through USB connection
- High data rates supported up to 921.6 kbps
- Plug-and-play installation with wide OS support
- Compact, rugged housing for field or lab use
- Backed by Black Box quality and engineering
Reliability & Performance :
The Black Box SP385A-R3 ensures seamless and protected serial-to-USB connectivity. Built-in opto-isolation shields devices from electrical damage, while robust design and diagnostic indicators provide consistent performance across automation, point-of-sale, and SCADA environments where uptime and compliance are critical.
Key Features :
- USB to RS232 isolated interface
- 2 kV optical isolation for protection
- Compact, plug-and-play design
- Reliable for industrial or enterprise deployments
- Trusted Black Box converter
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