Support USB to RS485 communication, using two chips, FT232RL and SP485EEN, high-speed communication, stable, and good compatibility.<br> The onboard (transient voltage suppression tube) can effectively suppress the surge voltage and transient voltage in the circuit, and it is anti-thunder and anti-static.<br> The onboard self-recovery fuse and protection diode can stable output of current and voltage, prevent overcurrent and overvoltage, and improve impact resistance.<br> There are 3 LED indicators on board for easy viewing of power supply and signal transceiver status.<br> Industrial-grade USB to RS485 converter, using two chip solutions FT232RL and SP485EEN, stable communication, suitable for industrial control equipment or applications with high communication requirements.<br> Communication rate: 300-921600bps<br> interface: USB<br> Device interface: RS485<br> USB interface: working level: 5V<br> Interface form: USB-A type interface<br> Interface protection: 200mA self-recovery fuse, ESD electrostatic protection<br> Transmission distance: about 5 meters<br> Interface form: terminal block<br> Interface pins: A+, B-, GND<br> Direction control: hardware automatically distinguishes and controls the direction of data transmission<br> RS485 interface: interface protection: 600W thunder protection, surge and 15KV electrostatic protection (onboard 120R balance resistance)<br> Transmission distance: about 1200 meters (under low-speed conditions)<br> Transmission mode: point-to-many (up to 32 nodes, repeater is recommended for more than 16 nodes)<br> Indicator light: PWR power indicator, connected to USB, red light will be on when voltage is detected<br> TXD transmission indicator, red light when data is sent from the USB port<br> RXD receiving indicator, red light when there is data sent back from the device interface<br> Temperature range: -15 Celsius~70 Celsius<br> Humidity range: 5%RH~95%RH<br> : , Linux, Android, winCE, Windows10/8.1/8/7/XP<br> Colour: black<br> Material: plastic<br> Size: 53x23.5x14.6mm<br> Package Contents:<br> 1 * USB To RS485 Serial Converter<br> Only the above package content, other products are not included.<br> Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.