1) RS232 to RS422/RS485 interface converter 2) It can collect 128 node RS485 device, 1,000W ... anti-static, powerful anti-jamming capacity, high performance / price ratio11) Supports standard DIN-rail, easy to install and fix12) Compact dimensions: 95 ... x 65 x 25mm Application fields:a) Point to point, point to multi-point communicationb) Industrial distribution system, industrial control automationc ...