General Description 2-17 Speed LED (for management port)This LED indicates whether each of the network ports normally equipped with the serveris operated through the 100BASE-TX or 10BASE-T network interface. If the LED is litamber, the network port is operated through 100BASE-TX. If the LED is off, the networkport is operated through 10BASE-T.AC POWER LED (SAS Hot-swap Hard Disk Model Only)There is an AC POWER LED for the power supply unit on the rear. The LED turns green andflashes when the power supply unit receives AC power from the power cord, which is connected tothe AC inlet. (Flashing amber indicates no AC power is received in any one of two power suppliesin the redundant configuration.)The LED turns green when the server power switch is turned on. If the LED does not go on whenthe server power switch is turned on or if it turns amber, the power supply unit is probably faulty. Inthis case, contact your service representative to replace the power supply unit.AC inletAC POWER LEDAC POWER LEDAC inletPower supplyslot (option)Power supplyslot (standard)NOTE: If one power supply unit fails while an optional power supplyis mounted, the system can continue operation with the other powersupply unit (redundant function). The failing power supply unit can bereplaced in hot swap mode (with the power on) without the systembeing stopped.
