3Getting to Know Your Switch1.1 About the IES-1204FT Industrial Smart-Ring SwitchThe IES-1204FT switch are cost-effect and powerful industrial switch with many features.These switches can work under wide temperature and dusty environment and humidcondition.1.2 Software Features World’s fastest Redundant Ethernet Ring (Recovery time < 10ms over 250 unitsconnection) Supports Ring Coupling, Dual Homing and RSTP over Pro-Ring Support fast recovery mode Easy-to-configure: Web / Windows utility1.3 Hardware Features Wide Operating Temperature: -40 to 70oC Storage Temperature: -40 to 85oC Operating Humidity: 5% to 95%, non-condensing 10/100Base-T(X) Ethernet port 100Base-FX SFP port