Cisco Systems ASR 903 manual Detaching the Fan Tray

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Chapter 3 Installing the Cisco ASR 903 Router

Installing the Fan Tray

Caution The router can stay active for up to five minutes if the temperature is below the ambient limit. However, in the event of an overtemperature alarm, the router can shut down in less than five minutes. In the event of a critical temperature alarm, the router shuts down immediately.

Caution To avoid erroneous failure messages, allow at least 2 minutes for the system to reinitialize after the fan tray has been removed or replaced.

Follow these steps to remove and replace the fan tray on the Cisco ASR 903 Router:

Step 1 Using a No. 2 Phillips screwdriver or your fingers, loosen the captive installation screw that secures the fan tray to the chassis. Figure 3-12shows the front of the fan tray, including the captive installation screws.

Figure 3-12 Detaching the Fan Tray

Captive installation

screw

FAN TEMP

CRIT MAJ MIN

Handle

ALARM

209393

Step 2 Grasp the fan tray handle with one hand and the outside of the chassis with the other hand. Figure 3-12shows the front of the fan tray, including the handle.

Caution The fans are exposed on the left side of the fan tray. Keep your fingers, clothing, and jewelry away from the fans. Always handle the fan tray by the handle.

Cisco ASR 903 Router Hardware Installation Guide

	OL-25178-04	3-9

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Contents Cisco ASR 903 Router Hardware Installation Guide Page N T E N T S Site Planning RSP Installation Pinouts Fan Tray LEDs Viii Revision Date Change Summary Document Revision HistoryDocument Audience Convention Indication Document OrganizationDocument Conventions Title DescriptionObtaining Documentation and Submitting a Service Request Xii Cisco ASR 903 Router Overview Cisco ASR 903 Router FeaturesCisco ASR 903 Router Chassis Design System SpecificationsPower Supply Features Status LEDs DC Power SpecificationsRedundancy Dying GaspFan Tray AC Power Specifications2shows the fan tray RSP ModulesRSP Redundancy Supported RSP FeaturesSupported RSPs Label Interface Network Timing InterfacesRSP Interfaces Gigabit Ethernet SFP Interface Module Interface Modules8 x 1 GE Gigabit Ethernet RJ45 Copper Interface Module Gigabit Ethernet RJ45 Interface Module1 x 10 GE Gigabit Ethernet XFP Interface Module Gigabit Ethernet XFP Interface ModuleDWDM-XFP-C ONS-XC-10G-EP 16 x T1/E1 Interface Module T1/E1 Interface Module8shows the interface module OC-3 Interface ModuleSerial Number Label Location Temperature SensorInterface Numbering Cisco ASR 903 Router Overview Regulatory Compliance Regulatory ComplianceSafety Guidelines Preparing for InstallationStandard Warning Statements Safety Precautions for Module Installation and Removal Safety with Electricity Page OL-25178-04 Preparing for Installation Safety Guidelines Preventing ESD Damage Power Supply ConsiderationsSite Planning General PrecautionsSite Planning Checklist Environmental Requirements Physical CharacteristicsSite Selection Guidelines Air exhaust Room air Air Flow GuidelinesFloor Loading Considerations Site Power GuidelinesAir Flow Guidelines for Enclosed Rack Installation Hardware components Site Cabling GuidelinesElectrical Circuit Requirements Interference Considerations Asynchronous Terminal ConnectionsRack Selection Guidelines Precautions for Rack-MountingRack-Mounting Guidelines Equipment Rack Guidelines Locating for SafetyLocating for Proper Airflow Verified Task Date Installation ChecklistCreating a Site Log Receiving the Cisco ASR 903 RouterTools and Equipment Chassis-Lifting GuidelinesUnpacking and Verifying the Shipped Contents Component Description Prerequisites Installing the Router in a RackAttaching Mounting Brackets for a 19-inch EIA Rack Installing the Chassis BracketsInstalling the Chassis in a 19-inch EIA Rack Installing the Router Chassis in the RackAttaching the Cable Management Brackets Installing the Chassis in a 300 mm Etsi CabinetGrounding lug 300 mm Etsi cabinet Installing the Chassis Ground ConnectionStripping a Ground Wire 10 Crimping a Ground Lug onto the Ground Wire Removing and Replacing the Fan Tray Installing the Fan Tray12 Detaching the Fan Tray 13 Fan Tray Removal RSP Installation14 Cisco ASR 903 Router RSP Installation Installing an RSP ModuleRemoving an RSP Module Hot-Swapping an RSP Module Installing an Interface Module Interface Module InstallationHot-Swapping an Interface Module Removing an Interface ModuleOL-25178-04 Preventing Power Loss Installing the Power SupplyGuidelines for AC-Powered Systems Power Connection GuidelinesGuidelines for DC-Powered Systems Installing the DC Power Supply Module Installing the DC Power Supply16 Installing the DC Power Supply Installing the Terminal Block17 DC Power Supply with Lead Wires 18 Torquing the DC Power Supply Terminal Block Plug Screws Activating the DC Power Supply Supply has been removed or replaced Removing and Replacing the DC Power SupplyInstalling the AC Power Supply Module Installing the AC power SupplyActivating the AC Power Supply Removing and Replacing the AC Power SupplyConnecting Console Cables Connecting the Cisco ASR 903 Router to the NetworkConnecting to the Serial Port using Microsoft Windows 2404 To disconnect the OS X USB console from the Terminal window Connecting to the Console Port using Mac OSConnecting to the Console Port using Linux Installing the Cisco Microsoft Windows XP USB Driver Installing the Cisco Microsoft Windows USB Device DriverUsing the Setup.exe Program Uninstalling the Cisco Microsoft Windows USB DriverUsing the Add Remove Programs Utility Uninstalling the Cisco Microsoft Windows Vista USB Driver Connecting to the Auxiliary Port23 Connecting a Modem to the Cisco ASR 903 Router Connecting a USB Flash Device Connecting a Management Ethernet CableInstalling and Removing SFP and XFP Modules Removing a USB Flash Device Connecting Timing CablesConnecting Cables to the Bits Interface OL-25178-04 Connecting Cables to the Input 10Mhz or 1PPS Interface Connecting Cables to a GPS InterfaceConnecting Ethernet Cables Installing the Cable Connector Connecting Cables to SFP ModulesConnecting T1/E1 cables RJ45 Cable Pinouts Connecting Cables to the Patch PanelRecommended Patch Panel Connecting the Fan Tray Alarm PortConnector and Cable Specifications OL-25178-04 Checking Conditions Prior to System Startup Cisco ASR 903 Router Initial ConfigurationExample 4-1 Loading the Default System Boot Image Powering Up the Cisco ASR 903 RouterCisco ASR 903 Router Hardware Installation Guide OL-25178-04 CPP Checking Hardware and Software Compatibility Configuring the Cisco ASR 903 Router at StartupVerifying the Hardware Configuration Verifying the Front Panel LEDsConfiguring Global Parameters Using the Console InterfaceSaving the Running Configuration to Nvram Checking the Running Configuration SettingsSafely Powering Off the Cisco ASR 903 Router Bits Port Pinout Pin Signal Name Direction DescriptionPinouts Mhz input and output 1PPS input and output GPS Port PinoutTime of Day Port Pinout Console/Aux RJ45 RS232 Serial Port Pinout Alarm Port PinoutPin Signal Name Description T1/E1 Port Pinout Board Telco Line Pins Signal Name Jack Pin Telco RXManagement Ethernet Port Pinout USB Flash/MEM Port Pinout Fiber-Optic SpecificationsUSB Console Port Pinout Color/State Description two LEDs for eachT1/E1 port LED SummaryRSP LEDs Color/State Description Interface Module LEDsT1/E1 Interface Module LEDs OC-3 Interface Module LEDsFan Tray LEDs Power Supply LEDsAlarm Type Alarm Meaning Alarm ConditionsOL-25178-04 Site Log Initials DateD E IN-2

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