Rs232 Rs485 Rs422 To Ethernet Server Adapter 4 Ports Support 10 100Mbps Rj45 HEN

Feature: 1. UART Interface: 4 RS232 or 4 RS485 RS422 Composite Ports (Using Adapters). Item Type: RS232 RS485 to Ethernet Converter. Network Interface: 2 x 10/100M Adaptive RJ45 Ports. Equipped with 32bit ARM processor, it makes the data more stable.

eBay