Cisco ASR 5500 Installation Manual page 9

Contents
C H A P T E R 1 2
Replaceable Components
Air Filters 121
Determining When an Air Filter Needs Replacing
High Operating Temperatures and Fan Speeds
Temperature and Fan Alarm Commands
show fans Command
show temperature Command
Replacing an Air Filter
Front Air Filter
Rear Air Filter
Fan Tray Units
127
Determining Whether a Fan Tray Unit Needs Replacing
Replacing Front Fan Trays
Replace the Upper Fan Tray
Replace the Lower Fan Tray
Replacing Rear Fan Trays
Replace the Upper Fan Tray
Replace the Lower Fan Tray
PFU 135
Determining that a PFU has Failed
Replacing a PFU
135
Circuit Cards 137
Determining Whether a Card has Failed
show card diag Command
SNMP Traps 139
Replacing Universal Cards
Backing Up the System Configuration
Synchronize File System
Preparing a Card for Replacement
Replacing a Failed Card
Remove I/O Connections (MIO/UMIO and SSC)
MIO or UMIO
SSC
142
Remove and Replace the Circuit Card
121
122
122
122
122
123
125
127
129
131
131
132
133
135
138
138
139
140
140
140
141
142
142
121
121
127
142
ASR 5500 Installation Guide
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