Premier Cable Co., Ltd offers three high-performance 2-in-1 USB Serial Converters that enable seamless conversion of USB signals to RS232, RS422, RS485, or TTL interfaces, providing a flexible, efficient, and reliable solution for serial communication in modern industrial and engineering applications. The three products are distinguished by color for easy identification.

✅ Type of 2 In 1 USB Serial Converter

• PCM-FDZ-485 232 (Green): USB to RS485 RS232 Converter
• PCM-FDZ-485 422 (Black): USB to RS485 RS422 Converter
• PCM-FDZ-485 TTL (Orange): USB to RS485 TTL Converter

⚠️⚠️⚠️ Please note that for each of the three converters, only one function can be used at a time. ⚠️⚠️⚠️

★ PCM-FDZ-485 232

This USB to RS485 RS232 Converter supports the conversion from USB to RS485 or USB to RS232. It operates in RS232 mode when connected to TX, RX, and GND, or in RS485 mode when connected to A+, B-, and GND.

★ PCM-FDZ-485 422

This USB to RS485 RS422 Converter supports converting USB digital signals to RS485 or RS422 serial signals, making it suitable for different communication requirements. It operates in RS485 mode when connected to TX+, TX-, and GND, or in RS422 mode when connected to TX+, TX-, RX+, RX-, and GND.

★ PCM-FDZ-485 TTL

This USB to RS485 TTL Converter is used to convert USB signals to RS485 or TTL signals, enabling reliable communication with a variety of serial equipment. It operates in RS485 mode when connected to A+, B-, and GND, or in TTL mode when connected to TX, RX, and GND.