Cisco Systems 3120 manual LEDs, System LED, Stack LED, Color System Status

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Chapter 1 Product Overview

Other Features

LEDs

You can use the switch LEDs to monitor switch module activity and performance. Graphical representations of the LEDs described in these sections are visible in the device manager.

•System LED, page 1-5

•Stack LED, page 1-5

•Stack Master LED, page 1-6

•Stack Member LED, page 1-6

•UID and Health LEDs, page 1-6

•RJ-45 Uplink Port LEDs, page 1-6

Note The System LED (SYST), stack LED (STCK), Stack Master LED (MSTR), and Stack Member LED (MMBR) are shown as item 4 in Figure 1-1 on page 1-2.

System LED

The System LED (SYST) shows whether the system is receiving power and is functioning properly. Table 1-2lists the LED colors and their meanings.

Table 1-2	System LED

Color		System Status

Off		System is not powered on.

Blinking green		POST is in progress.

Solid green		System is operating normally.

Amber		System is receiving power but is not functioning properly.

Stack LED

To see the status of the StackWise Plus ports, press the Mode button. The Stack LED (STCK) is green when the StackWise Plus ports are up and amber when the ports are down. The bottom two 10-Gigabit Ethernet module slot LEDs show the status for StackWise Plus ports 1 and 2, respectively (see item 11 in Figure 1-1 on page 1-2).

When in stack mode, if both 10-Gigabit Ethernet uplink port LEDs are green, the stack is operating at full bandwidth. If one or both of the 10-Gigabit uplink LEDs are not green, the stack is not operating at full bandwidth.

See the “LED Behavior in Stack Mode” section on page 1-8for more information.

Cisco Catalyst Blade Switch 3120 for HP Hardware Installation Guide

	OL-12246-01	1-5

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Contents Americas Headquarters MarchPage N T E N T S Setup Accessing the CLI Through the Console Port OL-12246-01 Audience PurposeOrganization Related Publications ConventionsPreface OL-12246-01 Product Overview Switch Module Features OverviewPort Description UID 1 LEDSwitch Module Console Port Other FeaturesLRM 10/100/1000 PortsGigabit Ethernet Module Slots Cisco TwinGig Converter ModuleColor System Status LEDsSystem LED Stack LEDRJ-45 Uplink Port LEDs Stack Master LEDStack Member LED UID and Health LEDsGigabit Ethernet Module Slot Port LEDs X2 Module Installed Only the CBS3120X SwitchPower Connectors Management OptionsStackWise Plus Ports Device Manager Using the Device ManagerNetwork Configurations Using the Command-Line InterfacePreparing for Installation Switch InstallationSafety Warnings Installation Guidelines Verifying Package Contents Rear View of the Blade Enclosure HP c-Class BladeSystem Enclosure ArchitectureStatement Installing the Switch Module in the Blade EnclosureOpen the Release Latch Switch Module IP Addresses Switch Installation Onboard Administrator Interconnect Bay Summary Window Express Setup Advanced Settings Table Using Express SetupEnter switch 1 priority Setting the Installed Switch Module As the Stack MasterRefreshing the PC IP Address Planning and Creating a Switch StackStack Cabling Configurations 250304 Connecting to the StackWise Plus Ports Installing Devices in the 10-Gigabit Ethernet Slots Installing a Transceiver or Converter Module Removing a Module 12 Installing X2 Transceiver ModulesInstalling an SFP Module Installing SFP ModulesRemoving an SFP Module 14 Converter Module with SFP Modules Installed15 Connecting to an Ethernet Port Connecting to the 10/100/1000 PortsPlanning 10/100/1000 Ethernet Port Connections Device Crossover Cable Where to Go NextSwitch Installation Where to Go Next Verify the Switch Module Post Results Diagnosing ProblemsEthernet and Fiber Cables Look at the Switch Module LEDsConfirm the Switch Module Connections Bad or Damaged CableSpanning Tree Loops SFP Module Port IssuesPort and Interface Settings Ping the End DeviceCabling Distance Verify the Switch Module PerformanceSpeed, Duplex, and Autonegotiation Autonegotiation and Network-Interface CardsReplacing a Failed Stack Member Clearing the Switch Module IP Address and Configuration250310 Locating the Switch Module Serial NumberOL-12246-01 Environmental Ranges Physical DimensionsOL-12246-01 Connector Specifications Connector and Cable SpecificationsConnecting to 1000BASE-T Devices Connecting to 10BASE-T- and 100BASE-TX-Compatible DevicesCisco TwinGig Converter Module Ports Gigabit Ethernet Module InterfacesMicrons MHz/km Distance Cable and Adapter SpecificationsGigabit Ethernet X2 Transceiver Module Cable Specifications Console PortX2 Product Transmit Power Receive Power Number TransmitDBm Wavelength nm GLC-SX-MM SFP Module Cable SpecificationsTwo Twisted-Pair Cable Pinouts 1000BASE-SXTP3 Four Twisted-Pair Cable Pinouts for 1000BASE-T PortsDevice Switch Console RJ-45-to-DB-9 Port DTEIdentifying a Crossover Cable Console Port Adapter PinoutsSwitch Console RJ-45-to-DB-25 Port DTE OL-12246-01 Connecting to the Console Port Accessing the CLI Through 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 CLI NumericsIN-2 Post UIDIN-4 LEDIN-5 IN-6

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