Casio P460 manual Removing or Switching off a PSU, If there is one PSU, If there are two PSUs

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Chapter 4 Turning on the Avaya P460

Removing or Switching off a PSU

If there is one PSU

The entire chassis turns off

If there are two PSUs

1When you remove a PSU from the chassis, the Supervisor Module recalculates the power budget. If the power requirement exceeds the capacity of one PSU, the I/O modules are then turned on according to the power budgeting scheme described below. See Figure 4.1.

a The chassis is automatically turned on with only the Supervisor Modules and the fans getting power from the available PSU

b If all the available I/O modules were operational before the PSU removal/ failure, the Supervisor Module starts to apply power. The power is first applied to as many I/O modules as possible within the power budget limit of the single PSU. This can mean that an I/O module with a low power requirement and low priority is powered up rather than a high power requirement module with a higher priority.

c Slots whose power is disabled are skipped.

Figure 4.1 Power Allocation after PSU Removal

				No
	Start power allocation		Power enabled
	Start power allocation		for slot 5?
			for slot 5?
			Yes
	Power enabled		Sufficient power
	for slot 3?	No	budget?
	Yes		Yes
	Sufficient power		Apply power to slot 5	No
	budget?
	Yes
			Power enabled
No	Apply power to slot 3		for slot 6?
No	Apply power to slot 3
			Yes
	Power enabled		Sufficient power
	for slot 4?		Sufficient power
			budget?
	Yes
			Yes
	Sufficient power		Apply power to slot 6
	budget?		Apply power to slot 6
	budget?
	Yes
	Apply power to slot 4

Avaya P460 Installation and Maintenance Guide

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Contents Avaya P460 Page Contents Table of Contents Radius Ieee Ietf List of Tables List of Tables Avaya P460 Installation and Maintenance Guide List of Figures Page Power Supplies Before you Install the Avaya P460Safety Information Conventions Used in the Documentation FCC NoticeCLI Conventions WarrantyAvaya Support Preface Avaya P460 Installation and Maintenance Guide Introduction Avaya P460 OverviewManagement and Monitoring Avaya P460 Key FeaturesHigh Availability FlexibilityOperating Safety Avaya P460 Chassis and Module InstallationEnvironmental Prerequisites Required ToolsAC Power Requirements Key Chassis Component LocationRack Mounting Installing the P460 on a Table Top140 mm Positioning the rack-mounting brackets P460 Rack mounting procedureInstalling the Cable Guide Cable Guide InstallationPSU Power Supply Unit Installation Avaya P460 Switch Fan Module Location Fan Module Replacement or InstallationInstalling the Avaya P460 Fan Module Location of the Avaya P460 Supervisor Modules Supervisor Module InstallationInstalling the P460 Supervisor Module 10 Lcoation of Avaya P460 I/O Modules Module Installation11 I/O Module Component Location Module Installation Procedure12 Installing P460 I/O Modules Turning on the Avaya P460 Installing a PSUTurning on a Chassis with no Modules Powering UpInserting an Additional PSU Turning on a Chassis with a Supervisor Module OnlyIf there are two PSUs Removing or Switching off a PSUIf there is one PSU If there are three PSUs Power Management Process Power ManagementI/O Module Power Management Process M460ML-SPV LEDs Avaya P460 PanelsM460ML-SPV Panel PWR ACT LED and OPR LED Summary Function LEDs Starting Point After Power-up or ResetLNK LAG RS-232 Port Sideband Connection M460ML-SPV Supervisor Module PortsM460ML-SPV Left and Right Pushbuttons Eth Port Outband ConnectionP460 Supervisor Module ASB Pushbutton M460ML-SPV ASB Alternate Software Bank PushbuttonPower Supply Panel Page M460ML-SPV Supervisor Module Modes Maximizing Avaya P460 AvailabilityM460ML-SPV Supervisor Module Redundancy Synchronizing the Supervisor Modules Manually Following screen capture shows the process Configuration File SynchronizationMaximizing Avaya P460 Availability P460 show environment power Redundant Power SuppliesSample Power Budget Calculation Calculating the Power BudgetEstablishing a Console Connection with the P460 Establishing Switch AccessInband Interface Connection CLI Commands Establishing a Telnet Connection with the Switch InbandM460ML-SPV Supervisor Module Fast Ethernet Console Port Establishing a Telnet Connection with the Switch OutbandOutband Interface Connection CLI Commands Redundant Outband Connections Redundant Outband ConnectionsOverview Sideband PPP Interface CLI CommandsSet interface ppp ipaddrnet-mask Setting Up Sideband PPP Connection ConfigurationPage Avaya Msnm P460 Manager Welcome Running the Avaya Msnm P460 ManagerP460 Device Manager Install from your Local Web Site Installing the Java Plug-inInstalling from the P460 Documentation and Utilities CD Install from the Avaya Web SiteDocumentation Page Local User Accounts User AuthenticationAccess Levels Local User Account CLI Commands Introduction to Radius RadiusRadius CLI Commands Illustrates the Radius authentication procedureUser Authentication Allowed Managers Allowed Manager CLI CommandsDefault System Parameters Configuration DefaultsConfiguration Default CLI Commands Basic Switch Configuration Operating parameters System Parameter ConfigurationIdentifying the system Feature Activation Time Parameter ConfigurationFeature License Configuration Obtaining a License Key Click Generate Activating a Routing License Key Feature License CLI CommandsPowering up the Fan Module Troubleshooting the InstallationPowering up the Chassis Powering up the Supervisor ModulesPowering up the I/O Modules Supervisor Module does not Boot Page Replacing I/O Modules MaintenanceOne Supervisor Module in the Switch Two Supervisor Modules in the SwitchPreferred Bank Firmware DownloadIntroduction Configuration Management CLI Commands Configuration File ManagementFirmware Download CLI Commands Page Ieee StandardsRouting Physical SpecificationsEnvironmental Power RequirementsSafety Transportation EMC EmissionsImmunity Avaya P460 Catalog Numbers Catalog Numbers