Features: A multifunctional networking device with four RS485 and Ethernet interfaces (optional PoE version). Its unique design, compact size, convenient installation, and high cost-effectiveness are suitable for data collections, IoTs , security IoTs, and intelligent instrument monitoring, meeting the needs of various application scenarios. Four RS485 channels can work simultaneously without interfering with eachother, making data transmission more efficient. It also has multiple functions such as serial server, MQTT, RS485 to JSON conversion, etc., making this module play an important role in various networking environments The power interfaces adopts a terminal type power supply connection, providing stable power supply. The wall mounted and rail mounted designs Easy installation, allowing devices to be quickly deployed and expanded Specifications: Item：RS485 to RJ45 Ethernet Modules Material: Aluminum Alloy Size：as Pictures Channel: 4Ch Type：Ordinary Ethernet Version/PoE Networking Version Package Includes: 1PC RS485 to RJ45 Ethernet Module note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.