Passive RS232 to RS422 Serial Converter Adapter, Bidirectional FDX FullDuplex RS232RS422 Signal Switch, No External Power Required Serial Adapter for PLC, Industrial Controller Serial Communication

This passive RS232 to RS422 fullduplex serial converter achieves bidirectional signal conversion between RS232 and RS422 without extra power supply. It extracts minimal working power directly from serial signal lines, removing additional power wiring troubles for field deployment. Adopting FDX fullduplex transmission mode, it supports simultaneous receiving and sending data to keep complete serial communication workflow. Compared with RS232, RS422 delivers longer transmission range and better antielectromagnetic interference performance, which is ideal for industrial control PLC, serial measuring instruments, accesscontrol terminals and industrialsite serial debugging. Miniature body supports direct plugin installation, no driver or firmware modification required. It solves compatibility issues when connecting RS232 equipment to RS422 peripherals and vice versa. Since it is a passive converter, stable performance relies on sufficient signal voltage output from your connected serial devices. Serial cables are not included in package. Never access highvoltage signals to the port, otherwise internal circuit will be burned out permanently.