RS485 Serial Communication Adapter with USB Interface and TVS Protection for Data Line Conversion

, High QualityFeatures:- Uses original chips- Industrial-grade protection: TVS transient suppression, ESD protection, surge protection, and short-circuit protection for A/B signal lines and power supply (short-circuit safe)- Transmission distance up to 1200 meters (tested at 9600 bps)- Supports baud rates up to 921600 bps — higher than standard 115200 bps for reliable bidirectional communication- Compatible with multiple operating systems: Windows 98/CE/2000/2003/2008/XP/Vista/7/8/10, Linux, macOS X; supports USB hot-swapping- Automatic data direction control — no handshake signals (e.g., RTS, DTR) required; no jumper settings needed; fully compatible with existing communication software and hardware- TXD and RXD status indicators included- Line converter only — accessories shown in images are for demonstration purposes only and not includedSpecifications:1. Power Supply: USB 5V2. Maximum Transmission Distance: 1200 meters (at 9600 bps)3. Chipset: CH3404. Communication Protocol: Hardware-based, protocol-independent5. Baud Rate Support: Up to 921600 bps, bidirectional6. Protection Features: TVS transient suppression, ESD protection, surge protection, short-circuit protection for A/B lines and power supply7. Operating Temperature Range: -40°C to +80°C8. External 5V power output with fuse current limiting9. OS Compatibility: Windows 98/CE/2000/2003/2008/XP/Vista/7/8/10, Linux, macOS X; USB hot-swap supported10. Automatic transmission direction detection and control — no handshake signals or jumpers required11. Dimensions: Approx. 70 x 27 x 13 mm (2.76 x 1.06 x 0.51 in)12. Item Type: RS-232 to RS-485/RS-422 Line Converter13. Housing Material: PVC + Glass Fiber Board14. Quantity: 1 PieceNote:- Measurement tolerance: ±1 cm due to manual measurement- Screen color representation may vary slightly from actual product colorPackage Includes:- 1 x Line Converter