The product adopts high-strength IP40 protection shell, industrial-grade EMC design, supports wide-range dual-connection power input (DC44-55V) to increase the reliability of the communication network; has the characteristics of high and low temperature resistance, vibration resistance, resistance, anti-electromagnetic interference, etc.; the use of a four-position dipswitch, which can be used to protect the LPP ring, broadcast storm suppression, EXTEND port extension, VLAN port isolation, AI intelligent detection It can be used for LPP ring protection, broadcast storm suppression, EXTEND port extension, VLAN port isolation, and AI intelligent detection for human-controlled opening and closing; it adopts 35MM standard snap-rail mounting, and is widely used in the fields of smart grid, rail transit, comprehensive pipeline corridor, intelligent transport, intelligent city, mining metallurgy, petroleum and petrochemical, new energy, intelligent factories, ships, industry, and building security, etc, which provides favourable protection for industrial communication. DIP switch 1. LPP& ring network protection and broadcast storm protection; 2.EXTEND port 1 extends 250m; 3.VLAN ports 1-4 are isolated from each other; 4.AI port intelligent detection of dead restart. Parameter Details Product Name: Industrial Full Gigabit 4+2SFP Standard POE Switch Product Specification:4POE+2SFP 1000Mbps Signal Pin: 1 2 3 6 4 5 7 8 Power Supply Protocol:IEEE802.3AF/AT Power Supply Pins:12+ 36- Power Input: DC44-55V Dual Connection Power Input Operating Temperature:-40~80C Transmission distance: 1 port 250m, optical port: with optical module Backplane bandwidth: 12Gbps Operating Mode: Store-and-Forward Colour:Black Material:Plastics+Metal PackageContents: 1x Industrial POE Switch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.