Cisco 3845 Hardware Installation Guide - Page 236
Port Mode LEDs, LED Color, Description
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Cisco EtherSwitch Services Modules Chapter 18 Connecting Cisco EtherSwitch Service Modules Table 18-5 Master (MASTR) LED LED Color Off Green Amber Description The Cisco StackWise EtherSwitch service module is not the stack master. The Cisco StackWise EtherSwitch service module is the stack master or a standalone module. An error occurred when the Cisco StackWise EtherSwitch service module was electing the stack master, or a stack error occurred. Port Mode LEDs The Cisco StackWise EtherSwitch service module has a Mode button that allows you to toggle through the port LED modes. (See Figure 18-6.) The port modes determine the type of information displayed through the port LEDs. For more information about port LEDs, see the "Port LEDs" section on page 18-11. To choose or change a mode, press the Mode button until the desired mode is highlighted. When you change port modes, the meanings of the port LED colors also change. Table 18-6 lists the modes and their meanings. Table 18-6 Mode LEDs LED STAT DUPLX SPEED STACK LINE PWR Mode Description Port status The port status. In this mode, the LED shows link status and link activity. This is the default mode. Port duplex mode The port duplex mode: full duplex or half duplex. Port speed The port operating speed: 10, 100, or 1000-Mbps. Stack member status The stack member status. If your Cisco StackWise EtherSwitch service modules are stacked and you press the Mode button on any one of the Cisco StackWise EtherSwitch service modules in the stack, all the Cisco StackWise EtherSwitch service modules in the stack change to display the same selected mode. For example, if you press the Mode button on the stack master to display SPEED, all the other Cisco StackWise EtherSwitch service modules in the stack also display SPEED. Cisco StackWise port The Cisco StackWise port status. In STACK mode, the last two status port LEDs show the StackWise port status. See the "Port LEDs in Stack Mode" section on page 18-12 for more information. Inline power The inline power status. 18-10 Cisco Network Modules Hardware Installation Guide OL-2485-20