HP J3177A, J3175A manual Index

Page 8

3Troubleshooting

Solutions to Common Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

LED Error Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

Diagnostic Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

Testing the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

Testing Twisted-Pair Cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4

Testing End-to-End Network Communications . . . . . . . . . . . . . . . . . . 3-5

Testing Switch-to-Device Network Communications . . . . . . . . . . . . . 3-5

Resetting the Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6

HP Customer Support Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-6

ACables and Connectors

Twisted-Pair Cable/Connector Pin-Outs . . . . . . . . . . . . . . . . . . . . . . .A-1

Twisted-Pair Cable for Switch (MDI-X) to

Computer (MDI) Network Connection . . . . . . . . . . . . . . . . . . . . . . . . A-2

Twisted-Pair Cable for Switch (MDI-X) to

Hub or Switch (MDI-X) Network Connection . . . . . . . . . . . . . . . . . . . A-3 Twisted-Pair Cable Pin Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . A-4

Fiber-Optic Cables

A-4

BSpecifications

CSafety and Regulatory Statements

Mounting Precautions

C-1

Power Precautions

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

 

C-2

Safety Information

C-3

Safety Information (Japanese)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

 

C-8

Regulatory Statements

C-9

 

 

 

 

Declaration of Conformity

C-10

Index

iv

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Contents HP AdvanceStack Switch 208/224 Page HP Customer Support Services How to get the latest software/agent firmwareHP FTP Library Service World Wide WebLocation Phone Number HP First Fax Retrieval ServiceAdditional HP Support Services HP AdvanceStack Switch 208/224 Installation and Reference GuidePublication Number Contents Index Installing the Switch 208/224 Installing the Switch 208/224Included Parts Installation StepsInstalling the Switch 208/224 Prepare the Installation Site Installation PrecautionsInstall Any Optional Modules Installing ModulesDo not install any 100VG transceiver modules in this slot Installing Transceivers100Base-T transceiver modules into the Switch 208/224 Verify the Switch’s Operation When the self test completes successfully LED BehaviorMount the Switch Mounting the Switch in a Rack or CabinetInsert a screw into the top hole of a close 0.5-inch Install additional screw Mounting the Switch on a Wall Mounting the Switch on a Horizontal SurfaceConnect the Switch to a Power Source Using RJ-45 Connectors 10 Mbit/s and 100 Mbit/s ports Connect the Network Cables100Base-T Xcvr Slot To connectSwitch 208/224 Condition Diagnostic Tip InstallingSample Network Topologies As a Segment SwitchSwitch 208T Server As a Desktop SwitchSwitch 224T PCs and peripherals Connecting to a Backbone Switch Fddi Campus Backbone Installing the Switch 208/224Switch Switch 224T Switch 208TWhere to Go From Here Cable ManagementSwitch 208/224 Description FeaturesNetwork Ports Front of the SwitchesSwitch 208/224 Description LEDs State MeaningManagement Module Features Management SlotBack of the Switches Power ConnectorsRedundant Power Supply RPS Connector Expansion SlotSwitch Operation Address Table OperationSimultaneous Network Communications Page Troubleshooting Solutions to Common ProblemsTroubleshooting Wrong network speed connected -- You have connected aLED Error Indications Diagnostic TipsTesting Twisted-Pair Cabling Diagnostic TestsTesting the Switch Testing End-to-End Network Communications Testing Switch-to-Device Network CommunicationsResetting the Switch HP BBSCables and Connectors Twisted-Pair Cable/Connector Pin-OutsCables and Connectors White/orange Fiber-Optic Cables Twisted-Pair Cable Pin AssignmentsTwisted-Pair Straight-Through Cable Twisted-Pair Cross-Over CableSpecifications PhysicalElectrical EnvironmentalConnectors SafetySpecifications ElectromagneticSafety and Regulatory Statements Mounting PrecautionsPower Precautions Safety and Regulatory StatementsServicing Safety InformationGrounding Informations concernant la sécurité Tible de causer des dommages à léquipementHinweise zur Sicherheit Considerazioni sulla sicurezza AttrezzatureConsideraciones sobre seguridad Resultar en averías al equipoSafety Information Japanese Regulatory Statements FCC Class a Statement for U.S.A. OnlyEuropean Community CanadaDeclaration of Conformity Index NumericsMounting switch on … 1-11 HP Redundant Power Supply RPS Rack Page Page 5966-5225