for communication on the bus (Active) 1 LED (green) for configuration status (Ready) 1 LED (green) for connection speed (100MB) 1 LED (green) for Ethernet network status (link) 1 LED (green) for full duplex/collision detection (Fduplex/Col) 1 LED (green/red) for module status (Mod Status) 1 LED (green/red) for network communication status (Net Status) 1 LED (green/red) for reception activity (RxActive) 1 LED (green) for transmission activity (TxActive) 1 LED (green)