About the Passport 8100 Modules204515-C 1-7LEDsLEDs on the Passport 8190SM module indicate the status of the modulesubsystems, chassis power supplies, and chassis fans (Figure 1-2).Figure 1-2. LEDs on the Passport 8190SM ModuleThe CPU LEDs serve as a bar graph to indicate module activity. The CPU bargraph increases when the CPU is actively performing tasks, such as learningmedia access control (MAC) addresses or interacting with the device managementstation.For detailed information about the LED meanings, refer to Appendix B, “LEDs.”9674EAOnlineTemp2Fan1MasterPower Supply10025 50 75321Utilization%CPULink100Management1 2 3 4 5761 = Management port LEDs2 = CPU utilization LEDs3 = Fan LEDs4 = Temp LED5 = Online LED6 = Power Supply LEDs7 = Master LED
