StarTech.com RS422, RS485, RS232 Interface Converter 8

This Interface converter links a single USB Type-B host to multiple serial ports for industrial control and monitoring. Designed for DIN-rail mounting, it converts USB signals into RS232, RS422 and RS485 serial formats, enabling integration of legacy serial devices with modern USB-equipped hosts. The unit is intended for use in automation, electronics and electrical installations where secure, rack-free mounting and robust signal protection are required.

• Eight serial ports expand connectivity for multiple devices
• Supports RS232 RS422 RS485 protocols for versatile interfacing
• USB Type-B input for standard USB 2.0 host connection
• D-Sub output provides reliable multi-pin serial termination
• 921.6kbps maximum baud rate for high-speed data transfer
• 15kV ESD protection minimises damage from electrostatic events

• Suitable for connecting PLCs to a USB-enabled control PC
• Ideal for supervisory control systems requiring multiple serial links
• Used with test benches that aggregate serial sensors and instruments
• Can be used for fieldbus bridging in electrical distribution cabinets
• Used for upgrading legacy RS232 devices to USB-managed systems

It is configured for DIN-rail mounting to fit standard industrial distribution rails without additional racks.

The Interface incorporates 15kV ESD protection to reduce the risk of damage from high-voltage static discharges.

The host side uses a single USB Type-B female port while the serial side utilises D-Sub connectors for the multiple ports.

Yes, it supports data rates up to 921.6kbps to accommodate demanding serial transfer requirements.