Features 1,Industrial grade design, communication is completely isolated, stable and reliable performance, transmission rate is up to 500Kbps 2,Built-in high-quality DC or DC isolated power supply module realizes electrical isolation between ports 3,Support multi-machine communication, can connect up to 128 nodes, and transmission distance is up to 1200 meters 4,Data flow automatic control technology, automatically distinguish and control data transmission direction 5,Multiple protective measures: positive and negative 15KV ESD protection 600W dual channel TVS protection 2.5KV communication isolation Specification Package List Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.