Cisco XR 12410 Manual do Utilizador Página 8

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Contents
viii
Cisco XR 12410 and Cisco XR 12810 Router Installation Guide
OL-17441-01
Troubleshooting a DC PEM 4-10
Additional Power Subsystem Troubleshooting Information 4-12
Troubleshooting the Power Distribution System 4-14
Troubleshooting the Processor Subsystem 4-15
Performance Route Processor Overview 4-16
PRP PCMCIA Card Slots and Status LEDs 4-17
PRP Ethernet Ports and Status LEDs 4-18
PRP Auxiliary and Console Ports 4-19
PRP Reset Switch 4-19
PRP Alphanumeric Message Displays 4-20
Troubleshooting the Route Processor 4-21
Troubleshooting Using the RP Alphanumeric Display 4-22
Troubleshooting Line Cards 4-29
Troubleshooting Using the Line Card Alphanumeric Display 4-30
Troubleshooting Using the Alarm Display 4-35
Monitoring Critical, Major, and Minor Alarm Status 4-36
Troubleshooting the Cooling Subsystem 4-37
Blower Module Operation 4-38
Power Supply Operation 4-38
Overtemperature Conditions 4-39
Isolating Cooling Subsystem Problems 4-40
CHAPTER
5 Maintaining the Router 5-1
Prerequisites and Preparation 5-2
Powering Off the Router 5-2
Removing and Replacing the Air Filter Door Front Cover 5-3
Cleaning or Replacing the Chassis Air Filter 5-5
Cleaning or Replacing a Chassis Air Filter 5-6
Removing and Replacing the Blower Module 5-9
Troubleshooting the Blower Module Installation 5-11
Removing and Replacing AC and DC Power Subsystem Components 5-12
Installation Guidelines 5-12
Removing and Replacing an AC PEM 5-14
Troubleshooting the AC Power Supply Installation 5-17
Removing and Replacing an AC PDU 5-19
Removing and Replacing a DC PEM 5-23
Troubleshooting a 2800 W DC PEM Installation 5-26
Removing and Replacing a DC PDU 5-28
Removing and Replacing Cards from the Chassis 5-36
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