Extender data line RS422 and RS485 with photo-electric insulation. In addition to feeding the data line RS422 and RS485 to get more distance, adds photo-electric insulation with an insulating protection of 3500 V and 1000 W for each of the lines. Mounted on metal chassis with DIN rail format that has 6 terminal block. It seamlessly connects users between serial devices. It suministra power supply 9 VDC to 1 A. Size: 125 x 54 x 25 mm.