USB 20 to RS485 Converter and all kinds of 485 interface docking, transmission distance up to 1000 meters;Mainchip:CP2102(SILICON LABS) ,Industrial chip, high quality, super stable. The Lead PINS include: A +, B-, GND ,GND,5V0;Industrial Product, With 15KV ESD protection and TVS overvoltage protectionFeatures:1. Industrial level protection: TVs transient suppression protection, ESD protection, surge protection, signal line short circuit and supply short circuit protection (short circuit does not burn2. Transmission distance up to 1200 meters (tested at 9600bps);3. Support the baud rate of 921600, which is much higher than 115200, and the baud rate of pairwise mutual transmission is higher4. Multi system supports hot plug, WIN98 / / 2000/2003/2008 / xpwn7n8 / wn10 Vista / Linux / OS X system, and USB interface can be hot plug5. Automatic identification and control of data transmission direction, without any handshake signal (such as , DTR, etc.) and without jumper setting, mode conversion can be realized to compliance with existing communication software and interface hardware;6. With TXD, RXD indicator lightSpecification 1. supply: usb5v2. Transmission distance: up to 1200m (9600bps)3. Chip scheme: ch3404. Communication protocol: hardware only, not limited by protocol5. Baud rate: up to 921600bps, supporting mutual transmission supports higher baud rate6. Protection: TVs transient suppression protection, ESD protection, surge protection, signal line short circuit and supply short circuit protection (short circuit does not burn)7. Temperature range:-40 Celsius-80 Celsius8. Provide external 5V supply with fuse to limit current9. Support system: support hot plug, support WIN98 / / 2000/2003/2008 / xpwn7wn8 / wn10 / Vista / Linux / OS X system, USB interface can be hot plug10. Automatic identification and control of data transmission direction can realize mode conversion without any handshake signal (such as , DTR, etc.) and jumper setting, so as to compliance with existing communication software and interface hardware.11 weight: 16gcolour: blueMaterial: ABSsize: 70*27*13mmPackage Contents: 1*usb to rs485 communication moduleOnly the above package content, other products are not included.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.