Dell PowerEdge M520 Dell M8428-k Hardware Reference Manual - Page 36

3 Locating the serial number TABLE 2 Location System Status LEDs Indicator Power Color Green Status Green/Amber CMC Management Blue/Amber Description Off - no power On - power is on Off - Switch is off Green - OK Amber - boot-up state or one or more ports are offline or reset state Blinking (green/amber alternating) - error Steady blue - Normal/Stack Master Flashing blue - Module identify Steady amber - Not used Flashing amber - Fault Off - on fault/Stack Slave Port status LEDs The following table provides descriptions of the port status LEDs on the front panel of the switch module. TABLE 3 CEE and FC port status LEDs Location Port type Color Description CEE ports FC ports Bi-color LED green/amber Bi-color LED green/amber Off - no link or unlicensed Steady green - link is present Flashing green - activity over the link Steady amber - fault Off - no link Steady green - link is present Flickering green - normal activity Slowly flashing green - segmented Rapidly flashing green - loopback Steady amber - no sync Slowly flashing amber - disabled Rapidly flashing amber - fault Locating the serial number Before contacting service support, be sure to obtain the module's serial number. Use one of these methods to locate the number: • Use the switch module CLI and enter the ChassisShow command. The converged network switch serial number is displayed along with other data. • Locate the serial number on the label attached to the converged network switch. Refer to Figure 2 on page 5 for location. 24 Dell M8428-k Hardware Reference Manual 53-1001980-01