Product features: Input and output power supply. Support RS485 bus rate 0-500KBps, parent mission, rate adaptation. Support point-to-point, star, cascade topology. With power indicator light, data mission indicator light. With electrostatic protection, -protection, self-recovery diode and other features. DIN35mm industrial rail installation There is a 120 ohm terminal resistance switch at the output end, which can be according to needs, which is convenient and fast<br><br>Specifications Comply with RS485 protocol standards Automatically send and receive data, electrical isolation Input interface: 1 RS485 interface Output interface: 2 (internal parallel) RS485 interfaces Communication rate: 0-500KBps rate adaptive Working power supply: DC9-36V 200mA, internal two-way isolated power supply Communication distance: 2000 meters (9.6Kbps), 1500 meters (19.2Kbps), 800 meters (187.5Kbps), 200 meters (500Kbps) Isolation protection: power reverse connection protection, self-recovery overcurrent protection, RS485 ESD protection, diode protection, -protection Installation method: DIN35 rail or fixed hole installation Material: ABS colour: Blue<br><br>Package Contents: 1 x 485 Isolation Repeater<br><br>Only the above package content, other products are not included. Note: Light reflection 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.