Introduction JHA-MIWS4G016H is a high performance, cost-effective high-end managed industrial Ethernet switch. The switch provides 16 10/100/1000Base-T(X) Ethernet port and 4 1G/10G SFP+ Slot. In full compliance with industrial product design and materials, the shell is made of aluminum alloy to enhance heat dissipation performance. Through fanless heat dissipation circuit design, wide range of working environment temperature, high protection level and other technologies, it provides high/low temperature resistance, lightning protection and other excellent industrial grade Quality; support WEB management, VLAN, QoS, SNMP, IGMP snooping and other network functions; support Ethernet fast ring network protection previous STP/RSTP/MSTP spanning tree ring network; industrial-grade three-level ESD protection is suitable for many occasions , such as intelligent transportation, outdoor monitoring, industrial network, safe city and other harsh environment deployments require that the product also adopts fanless, low power consumption, industrial-grade design, and the operating temperature range of -40 to 85°C, which can meet various industrial On-site requirements, providing economical solutions. The device can be widely used in various broadband data transmission fields such as smart buildings, smart cities, smart communities, smart transportation, telecommunications, security, financial securities, customs, shipping, electric power, water conservancy and oil fields.