3 Performing the Initial Configuration34 Nokia 100i Installation GuideTable 4 System Status LEDs for the Nokia 100i GatewayConnecting Network InterfacesThe Nokia 100i gateway supports the following for network communication:One built-in four-port 10/100 Ethernet management interface; supports up tosix additional network interfaces (for a total of ten). The Nokia 100i alsosupports a dual Gigabit Ethernet card (10/100/1000 Base-T), a dual FiberGigabit Ethernet card, and a four-port 10/100 Ethernet card.NoteIn the Nokia 100i gateway, you cannot use two PMC four-port 10/100Ethernet NICs at the same time. However, you can use one PMC four-port 10/100 Ethernet NICs in combination with any other NIC that theNokia 100i supports.LED DescriptionSteady blue: Power on.Steady yellow: Unit is experiencing an internal voltageproblem or unit is booting.Blinking yellow: Unit is experiencing a temperatureproblem.Steady red: One or more fans are not operating properly.orThere is a DC voltage problem.!!!!