The DS1034-03-9FWN8SS is an Ethernet managed switch manufactured by Connfly. It is compatible with industrial Ethernet networks and offers a Gigabit Ethernet (10/100/1000Base-T) port. The switch also features two Multi-Mode optical fiber ports, a 4KV Isolation protection, an integrated internal power supply, and a wide operating temperature range. It also supports a broad range of industrial protocols, including Modbus/TCP, EtherNet/IP, EtherCat and PROFINET to name a few.