Prisma II High Density EDFA Modules Installation Guide

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Chapter 5Maintenance and TroubleshootingTroubleshooting Alarm ConditionsEDFA Module Alarm ConditionsIf the red ALARM indicator is illuminated or is blinking, check the display on thefront panel to determine the cause of the alarm.Alarm Function Possible Causes Possible SolutionsLasBiasLasTempModTempInPwrOutPwrLaser Bias CurrentFailedLaser TemperatureHigh or LowModule TemperatureHigh or LowOptical Input powerHigh or LowOptical Output PowerHigh or LowAutomatic power controlcircuit failure.• Laser temperature out ofspecification. Laser couldbe faulty.• Chassis air filter requireschanging.Ambient temperature is toohigh due to:• A failure in the buildingair conditioning system.• Airflow through the rackhas been restricted or cutoff.• Prisma chassis coolingfans are not operatingproperly.• Optical source nottransmitting.• Faulty optical cables orconnections.Laser could be faulty.Contact Cisco Servicesfor assistance.Contact Cisco Servicesfor assistance.Ensure the airflowsystem has not beendamaged or removed.Repair or replace fantray as needed.To troubleshoot thechassis cooling fans,refer to Prisma II ChassisInstallation andOperation Guide, partnumber 713375.Check optical sourceand cables and callconnections.Contact Cisco Servicesfor assistance.86 78-4037880-01 Rev B
6 Chapter 6Customer InformationIf You Have QuestionsIf you have technical questions, call Cisco Services for assistance.Follow the menu options to speak with a service engineer.Access your company's extranet site to view or order additionaltechnical publications. For accessing instructions, contact therepresentative who handles your account. Check your extranet siteoften as the information is updated frequently.78-4037880-01 Rev B 87
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78- 4037880- 01 R ev BPrisma IIHigh
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NoticesTrademark AcknowledgmentsCis
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ContentsOperating Environment .....
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ContentsChapter 5 Maintenance and T
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Important Safety InstructionsKnow t
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Important Safety InstructionsReduce
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Important Safety InstructionsEquipo
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Important Safety InstructionsTake t
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Important Safety InstructionsFCC St
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Laser SafetySafe Operation for Soft
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Laser Power and Warning LabelsLocat
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ScopeThis guide discusses the follo
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Chapter 1Module IntroductionHigh De
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Chapter 1Module IntroductionModel S
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Chapter 1Module IntroductionMaximum
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Chapter 1Module IntroductionConstan
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Chapter 1Module IntroductionSide Vi
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Chapter 1Module IntroductionConfigu
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Chapter 2Module InstallationPrepari
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Chapter 2Module InstallationSpace R
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Chapter 2Module InstallationPrisma
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Chapter 2Module InstallationPrisma
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Chapter 2Module InstallationTo Inst
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Chapter 2Module Installation2 Align
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Page 113 and 114: High Density EDFA Parameters* This
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Page 117 and 118: OPQRSGlossaryNMSnetwork management
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Prisma II High Density EDFA Modules Installation Guide

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