High Speed RS 422/ 485 Communication Isolation Board is provided with optical isolation to protect one segment of network from problems that occur on the other side. The Communication Isolation Board supports for RS 422/ RS 485- 4 wire/ RS 485- 2 wire and provided with jumper Link selectable facility. The Communication Isolation Board is widely used in various industries such as electronics and data communication. High Speed RS 422/ 485 Communication Isolation Board is made using quality grade raw material which ensures durability of use along with long lasting service.