Contents
Optional Modules ................................................................................. 3
Port LEDs ...................................................................................... 4
Hub LEDs ...................................................................................... 5
Crossover Button ........................................................................... 5
Stacking Hubs ............................................................................... 7
Optional Modules ................................................................................. 8
Module Functions .......................................................................... 8
Module A LEDs ............................................................................. 8
Module B LEDs ............................................................................ 9
Cabling Devices .................................................................................... 12
Media Requirements ..................................................................... 12
Testing a Cable .............................................................................. 13
Troubleshooting .................................................................................... 15
1