1. Features FT232RNL+SP485EEN chip solution for high-speed, stable communication and broad compatibility 2. Onboard transient voltage suppression diode effectively suppresses surge and transient voltages, protecting against electrical spikes and static electricity 3. Integrated self-resetting fuse and protection diode ensure stable current and voltage output, guarding against over-current and over-voltage conditions and enhancing surge resistance 4. Provides 15kV ESD isolation protection and 600W surge protection. Onboard 120 termination resistor for RS485/RS422 interface, enabled by default and configurable via jumper settings Product type: Industrial isolated USB to RS485/422 converter Communication rate: 300 bps to 3 Mbps (FT232RNL) USB interface: USB-B type Working voltage: 5V Interface protection: 200mA self-resetting fuse, ESD static protection Transmission distance: Up to approximately 1200 meters (at low speed) RS485/422 interface: Interface type: Terminal block Signal pins: A+, B-, GND Direction control: Hardware automatic control for data transmission direction Interface protection: 600W surge protection, transient surge suppression, and 15kV ESD protection (includes onboard 120 termination resistor) Transmission mode: Point-to-multipoint, supports up to 32 nodes (use repeaters for networks exceeding 16 nodes) Indicator lights: PWR: Red power indicator, lights when USB power is connected TXD: Green transmit indicator, flashes when data is sent from USB port RXD: Blue receive indicator, flashes when data is received from the RS485/422 interface Operating environment: Temperature range: -15C to 70C Humidity range: 5% to 95% RH (non-condensing) Compatible operating systems: Linux, Android, WinCE, Windows 8.1, Windows 8, Windows 7, Windows XP Housing: ABS enclosure with DIN rail mounting support Dimensions: 81.9 x 54 x 32 mm Color: Black Material: ABS + metal Package Contents: 1 x USB to RS485/422 Converter 1 x USB cable (Type A male to Type B male, approximately 1.2m) 1 x Screwdriver Note: The package includes only the items listed above. Other accessories or devices shown are not included. Note: Lighting and display differences may cause slight color variation between the product image and actual item. Measurement tolerance: 13 cm.