RS422 to TTL Power Supply Converter Board – MAX490ESA Based

This RS422 to TTL Power Supply Converter Board is designed for long-distance, high-speed, and stable data communication. It features two-way RS422 communication with ultra-long transmission capability of up to 1000 meters. Built using the high-performance imported MAX490ESA IC, the module ensures reliable data exchange with superior noise immunity, surge protection, and signal integrity, making it ideal for industrial and embedded communication applications. It includes onboard protection elements such as ESD, TVS diodes, and termination resistors, supporting robust performance even in harsh environments.

Features:

• Long-distance two-way communication over RS422 interface
• Excellent signal protection and noise immunity
• TVS and ESD protection ensure safe operation in industrial environments
• Termination resistor improves data integrity over long cables
• Easy 5V TTL-level integration with microcontrollers or serial devices
• Onboard status LEDs provide visual diagnostics