6Table of ContentsImportant Safety Instructions ...................................................................................... 2Basic Instructions for the Use of This Product .............................................................. 41. Product Outline................................................................................................... 81.1. Features....................................................................................................... 81.2. Accessories .................................................................................................. 91.4. Part Names and Functions .............................................................................101.5. LED Behavior .............................................................................................. 111.5.1. LED Behavior at Start-up ......................................................................... 111.5.2. LED Behavior while Operating .................................................................... 111.5.3. Loop detection function .............................................................................131.6. LED Display Change Button............................................................................141.6.1. Setting LED Base Mode............................................................................141.6.2. LED Display Switchover ............................................................................142. Installation........................................................................................................ 152.1. Mounting to Steel Product ..............................................................................152.2. Mounting to 19-inch Rack .............................................................................163. Connection ....................................................................................................... 173.1. Connection Using a Twisted Pair Port...............................................................173.2. Connection Using an SFP Extension Slot ..........................................................183.3. Connection to Power.....................................................................................194. Configuration.................................................................................................... 204.1. Connecting via Console Port .......................................................................... 204.2. Login......................................................................................................... 214.3. Basic Operations on the Screen..................................................................... 234.4. Main Menu ................................................................................................ 254.5. General Information Menu ............................................................................. 274.6. Basic Switch Configuration............................................................................. 294.6.1. System Administration Configuration..............................................................314.6.2. System IP Configuration .......................................................................... 334.6.3. SNMP Configuration................................................................................ 354.6.4. Port Configuration Basic .......................................................................... 434.6.5. Port Configuration Extend......................................................................... 474.6.6. Port Configuration Power Saving................................................................ 504.6.7. System Security Configuration ................................................................... 52