Brief Description :HS-3309 Series is a guided network-tube industrial Ethernet switch with strong network management function independently developed by Chengdu Huahu Communications Technology Co., Ltd. It is a switching device designed with high-speed single-chip switching scheme and networked with Ethernet protocol in industrial production environment. It is simple,convenient,fast,stable and reliable to use.Designed with industrial high strength IP40 housing, equipped with corrugated aluminium alloy sheet with strong heat dissipation, it has higher EMC protection level to ensure stable and reliable operation of the equipment in the industrial field environment. HS-3309 Series supports three Gigabit Ethernet optical interfaces ( SC/ST/FC) and 6-10/100M Ethernet interfaces (RJ45), supports 10Base-T, 100Base-TX, 100Base-FX, and full/half duplex, and MDI-X adaptive. Optical interfaces support 100Base-FX, and optionally single mode (SM) or multi-mode (MM) systems.