Cisco Systems 3120 manual Stack Master LED, Stack Member LED, UID and Health LEDs

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Chapter 1 Product Overview

Other Features

Stack Master LED

The Stack Master LED (MSTR) shows the stack master status. Table 1-3lists the LED colors and their meanings.

Table 1-3	Stack Master LED

Color	Description

Off	Switch is not the stack master.

Green	Switch is the stack master or a standalone switch.

Amber	An error occurred during stack master election or another type of stack error occurred.

Stack Member LED

The Stack Member LED (MMBR) shows the switch stack membership number, which ranges

from 1 to 9. The Stack Member LED blinks a number of times equal to the membership number of the switch, pauses, and then repeats the process until you turn off stack mode or until stack mode times out.

Table 1-4lists the LED colors and their meanings when stack mode is on. When stack mode is off, the Member LED is off.

Table 1-4 Member LED With Stack Mode On

Color	Description

Off	Pause between blinking stack membership number. Duration is 5 seconds. After
	pause, LED changes to blinking green.

Blinking green	A total of n on-off cycles with n = switch stack membership number in range 1 to 9.
	After n on-off cycles, blinking stops, and LED turns off.

UID and Health LEDs

The UID and Health LEDs are controlled by the blade enclosure software (Onboard Administrator). The UID LED is on when the switch module is identified by the blade enclosure. The Health LED is green during normal operation; it is amber when a failure is detected.

RJ-45 Uplink Port LEDs

The external 10/100/1000BASE-T copper Gigabit Ethernet uplink port LEDs display link and activity information about each individual port. These LEDs are on the top left and right, respectively, of each RJ-45 port (see item 9 in Figure 1-1 on page 1-2). Table 1-5describes the port link LED colors and their meanings.

Table 1-5 Meaning of Port Link LED Colors

				LED Color	Meaning

				Off	No link established.

				Solid green	Link established, no activity.

				Blinking green	Traffic on an established link.

			Cisco Catalyst Blade Switch 3120 for HP Hardware Installation Guide

	1-6					OL-12246-01
	1-6					OL-12246-01

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Contents March Americas HeadquartersPage N T E N T S Setup Accessing the CLI Through the Console Port OL-12246-01 Purpose AudienceOrganization Conventions Related PublicationsPreface OL-12246-01 Switch Module Features Overview Product OverviewUID 1 LED Port DescriptionOther Features Switch Module Console Port10/100/1000 Ports Gigabit Ethernet Module SlotsCisco TwinGig Converter Module LRMLEDs System LEDStack LED Color System StatusStack Master LED Stack Member LEDUID and Health LEDs RJ-45 Uplink Port LEDsX2 Module Installed Only the CBS3120X Switch Gigabit Ethernet Module Slot Port LEDsManagement Options Power ConnectorsStackWise Plus Ports Using the Device Manager Device ManagerUsing the Command-Line Interface Network ConfigurationsSwitch Installation Preparing for InstallationSafety Warnings Installation Guidelines Verifying Package Contents HP c-Class BladeSystem Enclosure Architecture Rear View of the Blade EnclosureInstalling the Switch Module in the Blade Enclosure StatementOpen the Release Latch Switch Module IP Addresses Switch Installation Onboard Administrator Interconnect Bay Summary Window Using Express Setup Express Setup Advanced Settings TableSetting the Installed Switch Module As the Stack Master Enter switch 1 priorityPlanning and Creating a Switch Stack Refreshing the PC IP AddressStack Cabling Configurations 250304 Connecting to the StackWise Plus Ports Installing Devices in the 10-Gigabit Ethernet Slots Installing a Transceiver or Converter Module 12 Installing X2 Transceiver Modules Removing a ModuleInstalling SFP Modules Installing an SFP Module14 Converter Module with SFP Modules Installed Removing an SFP ModuleConnecting to the 10/100/1000 Ports 15 Connecting to an Ethernet PortPlanning 10/100/1000 Ethernet Port Connections Where to Go Next Device Crossover CableSwitch Installation Where to Go Next Diagnosing Problems Verify the Switch Module Post ResultsLook at the Switch Module LEDs Confirm the Switch Module ConnectionsBad or Damaged Cable Ethernet and Fiber CablesSFP Module Port Issues Port and Interface SettingsPing the End Device Spanning Tree LoopsVerify the Switch Module Performance Speed, Duplex, and AutonegotiationAutonegotiation and Network-Interface Cards Cabling DistanceClearing the Switch Module IP Address and Configuration Replacing a Failed Stack MemberLocating the Switch Module Serial Number 250310OL-12246-01 Physical Dimensions Environmental RangesOL-12246-01 Connector and Cable Specifications Connector SpecificationsConnecting to 10BASE-T- and 100BASE-TX-Compatible Devices Connecting to 1000BASE-T DevicesGigabit Ethernet Module Interfaces Cisco TwinGig Converter Module PortsCable and Adapter Specifications Gigabit Ethernet X2 Transceiver Module Cable SpecificationsConsole Port Microns MHz/km DistanceTransmit X2 Product Transmit Power Receive Power NumberDBm Wavelength nm SFP Module Cable Specifications Two Twisted-Pair Cable Pinouts1000BASE-SX GLC-SX-MMFour Twisted-Pair Cable Pinouts for 1000BASE-T Ports TP3Switch Console RJ-45-to-DB-9 Port DTE Identifying a Crossover CableConsole Port Adapter Pinouts DeviceSwitch Console RJ-45-to-DB-25 Port DTE OL-12246-01 Accessing the CLI Through the Console Port Connecting to the Console PortOL-12246-01 Figure C-1 Connecting through the Switch Module Console Port Completing the Initial Configuration To configure Snmp now, enter yes These choices appear Numerics CLIIN-2 UID PostLED IN-4IN-5 IN-6

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