Industrial-Grade Isolated USB to RS232/485/422/TTL Converter USB-B Interface, FT232RNL Chip, Power & Signal Isolation, TVS Protection

Adopts original imported FT232RNL chip high-speed communication with stable performance, reliability, and excellent compatibility

Supports multiple communication interface conversions: USB to RS232, USB to RS485, USB to RS422, USB to TTL

Onboard integrated power isolation provides stable isolated voltage with no external power required on the isolated side

Onboard integrated digital isolation signal isolation ensures high reliability, strong anti-interference, and low power consumption

Onboard TVS (Transient Voltage Suppression) diode effectively suppresses surge voltage and transient spikes in circuits, providing lightning and ESD protection

Onboard self-recovery fuse and protection diode ensures stable current and voltage output, protects against overcurrent and overvoltage, and improves shock resistance

Onboard auto-transceiver switching circuit ensures fast and stable communication between USB and different interfaces without mutual interference

Onboard TTL 3.3V / 5V level switching circuit users can switch TTL communication levels via a toggle switch

3 external LED indicators for easy monitoring of power and signal transmission status

High-quality USB-B and RS232 connectors smooth plugging, durable and reliable

Industrial metal housing supports both wall-mount and DIN-rail mounting sturdy, sleek, and easy to install