Cisco Systems Troubleshooting Cisco CGS 2520 Switch: Resetting and Serial Number Location

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Chapter 4 Troubleshooting

Resetting the Switch to the Factory Default Settings

Resetting the Switch to the Factory Default Settings

Follow these steps to return your switch to the factory default settings.

Note Resetting the switch deletes the configuration and reboots the switch.

To reset the switch:

1.At the switch prompt, enter enable, and press Return or Enter.

2.At the Privileged EXEC prompt, switch#, enter setup and press Return or Enter.

The switch displays the prompt to run the initial configuration dialog. See the “Configuring the Switch with the CLI Setup Program” section on page C-1

Finding the Switch Serial Number

If you contact Cisco Technical Assistance, you need to know the switch serial number. Figure 4-1and Figure 4-2show the serial number locations. You can also use the show version privileged EXEC command to see the switch serial number.

Figure 4-1 Serial Number Location for Cisco CGS-2520-24TC and CGS-2520-16S-8PC Switches

Cisco C

 

Sw itchonnected G rid

2500

Series

207769

SN: XXXNNNNXXXX

Figure 4-2 Serial Number Location for the Power Supply Modules

SN: XXXNNNNXXXX

207452

Cisco CGS 2520 Hardware Installation Guide

4-6

OL-31444-01

 

 

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Contents Cisco CGS 2520 Hardware Installation Guide Page N T E N T S Wall-Mounting Troubleshooting Accessing the CLI Through the Console Port C-1 Preface Obtaining Documentation and Submitting a Service Request Related PublicationsProduct Overview Model Description Switch ModelsCable Side Ports Cisco CGS-2520-16S-8PC Cable-Side View10/100BASE-T Ports PoE and PoE+ PortsDual-Purpose Gigabit Ethernet Ports SFP ModulesSFP Module Patch Cable Type of SFP Module ModelPower-Input Terminal Alarm PortsAlarm Input Alarm OutputLEDs Management PortsColor System Status Switch Panel LEDsSystem LED Console LEDs Power Supply Module LEDsAlarm LEDs Port LEDs PoE LEDColor Description LED Color MeaningPower Supply Side SD Flash Memory CardDual-Purpose Port LEDs SD Flash Memory Card LEDPSU OK LED Power Supply-Side LEDs Power Supply FeaturesManagement Options Network Configurations Switch Installation 140F 60C Statement 75 in .4 cm. Statement Installation GuidelinesVerifying Switch Operation Mounting Brackets Installing the SwitchMounting into a Rack Attaching Brackets for 19-Inch Racks 2shows the 23-inch rack mounting bracketsAttaching Brackets for 19-Inch Racks Attaching Brackets for 19-Inch Racks IP-30 Compliance Inserting the Rubber Plugs Inserting the Rubber Plugs Inserting the Rubber Plugs detail Attaching Brackets for 19-Inch Racks Attaching Brackets for 23-Inch Racks 10 Attaching Brackets for 19-Inch RacksAttaching Brackets for Etsi Racks 11 Attaching Brackets for 23-Inch Racks12 Attaching Brackets for Etsi Racks Mounting the Switch into a Rack Wall-Mounting Attaching Brackets for Wall MountingWall-Mounting for IP-30 Compliance 14 Attaching 19-inch Rack Brackets for Wall Mounting15 Inserting the Rubber Plugs into the Switch Holes Installing and Removing SFP Modules Installing SFP Modules17 Installing an SFP Module Removing SFP ModulesInserting and Removing the SFP Module Patch Cable 18 Removing a Bale Clasp Latch SFP ModuleReplacing the SD Flash Memory Card Removing the SFP Module Patch Cable21 Loosening the Captive Screw Connecting Devices to the Ethernet Ports Device Crossover Cable Straight-Through CableConnecting to the 10/100 and 10/100/1000 Ports Connecting to the 10/100 PoE+ PortsWhere to Go Next Power Supply Installation Power Supply ModulesPower Supply Module Installation PWR-RGD-AC-DC Power Supply ModuleEquipment That You Need Installation GuidelinesInstalling a Power Supply Module Grounding the Switch Dual-hole terminal lug Installing the Power Supply Module in the Switch Loosen the Screws on the Power Supply BlankWiring the Power Source AC 5 A, DC 15 a StatementPSU2 11 Stripping the Input Power Source Wire 12 Crimping the Spade Terminal Lug Removing the Power Supply Module AC power15 Removing the Screws Switch LEDs Diagnosing ProblemsSwitch Post Results Switch Connections Bad or Damaged CableEthernet and Fiber-Optic Cables Link Status SFP Module 10/100 and 10/100/1000 Port Connections 10/100 PoE+ Port Connections Switch Performance Interface SettingsPing End Device Spanning Tree LoopsAuto-Negotiation and Network Interface Cards Cabling DistanceResetting the Switch to the Factory Default Settings Finding the Switch Serial NumberEnvironmental Ranges Switch SpecificationsPhysical Specifications Power Requirements Power Requirements Power Supply Module Specifications Power SpecificationsConnector Specifications 10/100 Ethernet PortsSFP Module Connectors Figure B-2 Fiber-Optic SFP Module LC ConnectorDual-Purpose Ports Alarm PortAlarm Ratings Cables and Adapters SFP Module CablesIndustrial and Rugged SFPs Commercial SFPs100BASE-BX Extended temperature SFPs Cable PinoutsFigure B-6 Console Port Adapter Pinouts DSR DTR CTS RTSSwitch Console RJ-45-to-DB-25 Port DTE Adapter Device OL-31444-01 Accessing the CLI Through the Console Port RJ-45 Console PortFigure C-1 Connecting the Console Cable Figure C-2 Connecting the USB Console Cable USB Console PortInstalling the Cisco Microsoft Windows 2000 USB Driver Installing the Cisco Microsoft Windows USB Device DriversInstalling the Cisco Microsoft Windows XP USB Driver Uninstalling the Cisco Microsoft Windows USB Drivers Installing the Cisco Microsoft Windows Vista USB DriverUninstalling the Cisco Microsoft Windows Vista USB Driver Entering the Initial Configuration InformationIP Settings Completing the Setup Program These choices appear