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Chapter 5 Maintaining the Router
Removing and Replacing the Blower Module
5-8
Cisco XR 12406 Router Installation Guide
OL-13831-01
Step 3 Reinstall the air filter into the chassis noting the direction of the airflow arrows
on the top of the air filter frame (
Figure 5-3).
Caution The arrows located on the edge of each air filter frame that indicate the
direction of air flow. Always install the air filters with the arrow
pointing in toward the RP and line card cage.
Figure 5-3 Cisco XR 12404 Router Air Filter Direction of Air Flow
Removing and Replacing the Blower Module
Use the following procedure to remove and replace the blower module.
66291
AIRFLOW
A
I
R
F
L
O
W
AIRFLOW
A
IR
F
L
O
W
- March 2009 1
- CONTENTS 5
- B Repacking the Router B-1 9
- Contents 10
- OL-13831-01 10
- Changes to This Document 11
- Audience 12
- Document Conventions 13
- Router Description 17
- Features 21
- Route Processor 23
- 1 3 4 52 25
- PRP-3 LEDs 29
- PRP Memory Components 30
- PRP SDRAM 34
- PRP SRAM 35
- PRP NVRAM 35
- PRP Flash Memory 35
- PRP-3 Compact Flash 36
- Line Cards 37
- Q OC-3/STM-1 MM POS 38
- Q OC-3/STM-1 SM IR POS 38
- Switch Fabric Card Types 39
- Alarm Cards 41
- Alarm Output Function 42
- Alarm Card Status 43
- Power Source Monitoring 43
- Power Subsystems 44
- AC Power Subsystem 45
- AC-Input Power Supply 47
- DC Power Subsystem 49
- DC-Input Power Entry Module 51
- Blower Module 53
- Top view 54
- Device Discovery 56
- Code Download 56
- Diagnostics 56
- Air Filters 58
- Cable-Management System 59
- Field-Replaceable Units 62
- Cisco XR 12000 Series Router 63
- Technical Specifications 63
- Preparing for Installation 65
- Safety and Compliance 66
- General Safety Guidelines 67
- Router Chassis 70
- Laser Safety 71
- Lifting Guidelines 71
- Safety with Electricity 72
- Rack-Mounting Guidelines 73
- XR 12406 Router 74
- Ventilation 76
- Environmental Guidelines 77
- Power Connection Guidelines 78
- Figure 2-3 AC Power Plugs 80
- Grounding Connections 81
- Compliance 82
- Figure 2-5 Cable Lug 82
- Figure 2-6 Crimping the Lug 83
- Site Wiring 84
- Distance Limitations 85
- Site Preparation Checklist 86
- Installing a Router 90
- Figure 3-7 Cable Lug 100
- Figure 3-8 Crimping the Lug 101
- SCO 12000 104
- Connecting Alarm Card Cables 105
- PRP Console Port Signals 107
- PRP Auxiliary Port Signals 107
- PRP Ethernet Connections 111
- 8 7 6 5 4 3 2 1 112
- Figure 3-19 DC PDU 118
- 1 432 5 6 122
- External Network Interface 123
- Manually Booting the System 123
- RP Alphanumeric LED 126
- ETH 1ETH 0 128
- Identifying Startup Problems 131
- Troubleshooting the RP 143
- Right alphanumeric 144
- LED display (four digits) 144
- Left alphanumeric 144
- BITS 1 AUX CONSOLE 145
- PRP-3 Alphanumeric LEDs 148
- Single PRP-3 Scenario 148
- Dual PRP-3 Scenario 151
- Monitoring Alarm Card Status 159
- Maintaining the Router 165
- Tools and Equipment 167
- Powering Off the Router 167
- Removing the Front Cover 168
- Installing the Front Cover 168
- 1 Release buttons 169
- Installation Guidelines 177
- Step 12 Power on the PEMs 204
- Figure 5-28) 208
- For fiber-optic or 211
- GIGABIT SWIT CH ROUTER 215
- Fabric Cards 221
- Specifications and Warnings 223
- • Chassis, minimum 224
- Specifications 227
- Compliance Information 228
- Ta b l e A-7 Immunity Tests 229
- FCC Class A Compliance 231
- CISPR 22 232
- Europe (EU) 232
- VCCI Class A Notice for Japan 233
- Class A Notice for Hungary 233
- Class A Notice for Korea 234
- Compliance Label 235
- Repacking the Router 237
- Shipping Package Overview 238
- 1 Pallet base 4 Plastic bag 239
- 2 Router 5 Accessory kit tray 239
- Safety Recommendations 240
- CISCO 12000 241
- Numerics 245
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