HP P4459A manual Reading The Power, Fault, and Initialization LEDs

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								Fibre Loop Switch Troubleshooting
	Table 5: Reading The Power, Fault, and Initialization LEDs

		Label	LED Color/			Interpretation		Possible Causes
			Pattern


		Power	Green/ON			The unit is connected to		This is the normal state when powered
						an AC power source		on.
						and the internal power
						supply is functioning.

			OFF			No power within the		-The line has no voltage.
						switch.		-The switch is disconnected or the power
								-The switch is disconnected or the power
								cable is bad.
								-The switch is faulty.

		Fault	Amber/ON			-Switch is running a		- This is the normal self-test state.
						self-test.		-If the test fails, the switch may be faulty.
						-If the light remains on		-If the test fails, the switch may be faulty.
						-If the light remains on
						after 15 seconds, the
						switch failed the self-
						test or an environmen-
						tal fault has occurred.

			OFF			Self-test completed		Normal running state.
						with no fault found.

	Table 6: Reading The Port LEDs

		Link		Fault		Interpretation		Possible Causes
		(Green		(Amber)


		OFF		OFF		No signal		Either:
								a. no GBIC has been installed
								or
								b. no cable with a valid signal has been
								attached since the GBIC was
								installed.

		ON		OFF		Good Signal		Normal state for a valid port connection

		OFF		ON		Port is bypassed		Bad signal or no signal.

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Contents HP Part Number Audience Assumptions Symbols Used on Equipment Safety InstructionsSymbols in Text Contents Appendix B Regulatory Information Related Publications PrefaceRelated Web Sites Gbic Ports Chapter Introducing the HP P4459A Port Fibre Loop SwitchFibre Loop Switch Features Front Panel LEDs Front View of the Fibre Loop SwitchLEDs Switching Using Fibre Channel Protocol Switching OperationFibre Channel Arbitration in the Fibre Loop Switch Fibre Loop Switch Initialization Introducing the HP P4459A 8-Port Fibre Loop Switch Page Unpacking the Fibre Loop Switch Installing the Fibre Loop SwitchInstalling a Gbic Installing and Removing GBICs Fibre Loop SwitchRemove any cables attached to the Gbic Removing a GbicRack Installation Rack Mounting the Fibre Loop SwitchRack Installation Basics Mounting in HP Systems Racks Tools Required Preparation Marking Holes and Attaching Barrel Nuts on HP Systems Racks Place the Barrel Nuts on the Rack Columns Mark the Rack Column HolesInstalling the Fibre Loop Switch Attach the Sleeves to the Front Rack Columns Identify the six Torx screws Attaching Sleeves to an HP Systems Rack Installing the Fibre Loop Switch Securing the Switch Rails to the Switch Attach the Switch Rails to the Switch ChassisInstall the switch Installing the Switch into an HP Systems Rack Connect the appropriate AC power cord to the switch Complete the InstallationRetract the anti-tip foot, if desired Cabling for the Fibre Loop Switch Powering up a SystemCopper cable requirements for the Fibre Loop Switch General Maintenance Considerations Chapter Fibre Loop Switch TroubleshootingReading the LED Indicators Troubleshooting the SwitchReading The Power, Fault, and Initialization LEDs Connections Reset ButtonFibre Channel Cables Temperature ControlFans Filler PanelPage Switching Appendix a Fibre Loop Switch Functional SpecificationsPhysical Specifications Environmental SpecificationsLED Specifications Electrical SpecificationsFibre Channel Communications Regulatory CertificationVcci V3 1997, Class a Page Electromagnetic Compliance Appendix B Regulatory InformationRegulatory Notices For products labeled as Class a Class a AccessoriesClass a Equipment Class a Warning Radio Frequency Emissions Warning for Accessories Declaration of Conformity Declaration of Conformity US and EURegulatory Notices Product Safety Laser Safety Germany Class Laser Product Lasser Klasse 1 Produkt Hewlett-Packard Hardware Accessories Appendix C Warranty and SupportHardware Accessories Limited Warranty Third-Party Hardware Products HP Repair and Telephone SupportCanada Other CountriesWorld Wide Web Page Glossary Transmission sent to all NPorts on a network ElectroMagnetic Compatibility FC-PH Fpga Time delay of data traffic through a network or a switch Lilp Lpsm OFC Fibre Channel Arbitrated Loop that is connected to a fabric SAN Physical or logical layout of nodes on a network