SAN Telequip’s Industrial 4-Port Terminal Servers allow the centralized management of up to four RS232/RS422/RS485 devices over an Ethernet network, supporting modes such as TCP Server/Client, UDP, and Virtual COM. These rugged units feature 1.5KV to 3KV magnetic or optical isolation, dual redundant 12-48V DC power inputs, and optional SFP fiber ports for long-distance connectivity, operating reliably in extreme temperatures from -40°C to 85°C.