8Table of ContentsImportant Safety Instructions ................................................................................ 3Basic Instructions for the Use of This Product ....................................................... 61. Product Outline ................................................................................................ 111.1. Features ...................................................................................................... 111.2. Accessories .................................................................................................. 131.3. Part Names ................................................................................................. 141.4. LED Behavior ............................................................................................... 151.4.1. LED Behavior at Start-up ...................................................................... 151.4.2. LED Behavior while Operating ............................................................. 151.4.3. Loop detection function ....................................................................... 181.5. LED Display Change Button........................................................................ 191.5.1. Setting LED Base Mode ........................................................................ 191.5.2. LED Display Switchover ......................................................................... 192. Installation ........................................................................................................ 212.1. Mounting to 19-inch Rack .......................................................................... 213. Connection ....................................................................................................... 223.1. Connection Using a Twisted Pair Port ........................................................ 223.2. Connection Using an SFP Extension Slot .................................................... 233.3. Connection to Power .................................................................................. 244. Configuration ................................................................................................... 254.1. Connecting via Console Port ...................................................................... 254.2. Login ........................................................................................................... 264.3. Basic Operations on the Screen.................................................................. 294.4. Main Menu ................................................................................................. 314.5. General Information Menu ........................................................................ 334.6. Basic Switch Configuration ......................................................................... 374.6.1. System Administration Configuration .................................................. 394.6.2. System IP Configuration ....................................................................... 414.6.3. SNMP Configuration ............................................................................. 454.6.4. Port Configuration Basic ....................................................................... 744.6.5. Port Configuration Extend ................................................................... 784.6.6. Port Configuration Power Saving......................................................... 814.6.7. System Security Configuration ............................................................. 844.6.8. Forwarding Database ......................................................................... 101