Cisco Systems XR 12410 Manual de instalación Pagina 178
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Chapter 5 Maintaining the Router
Removing and Replacing AC and DC Power Subsystem Components
5-14
Cisco XR 12410 Router Installation Guide
OL-13832-01
Removing and Replacing an AC PEM
This section contains the procedure to remove and replace an AC PEM from the
chassis.
Figure 5-7 identifies the components of an AC PEM.
Figure 5-7 AC PEM Components
1 Status indicators 3 Ejector lever
2 Handle 4 Power ON/OFF switch (shown in the ON/1
position)
0
P
W
R
O
K
F
A
U
L
T
T
E
M
P
IL
IM
PWR OK
FAULT
TEMP
ILIM
93040
4
2
1
3
- Text Part Number: OL-13832-01 1
- CONTENTS 5
- Contents 6
- B Site Log B-1 10
- About This Guide 11
- Document Organization 12
- Document Conventions 12
- Security Guidelines 14
- AC and DC Power Subsystems 19
- Figure 1-4 AC PEM Components 20
- DC Power Supplies 21
- • 2 alarm cards 23
- Clock Scheduler Card 24
- Alarm Cards and Alarm Display 25
- Line Cards 28
- Route Processor 28
- XR 12000 Series Router 38
- Horizontal cable 40
- Blower Module 41
- Figure 1-15 Cooling Air Flow 42
- Preparing for Installation 45
- Safety Guidelines 46
- Laser Safety 47
- Lifting Guidelines 49
- Site Requirement Guidelines 50
- Enclosed Rack 51
- Open Rack 51
- Telco Rack 52
- Center-mount 53
- Rack-mount bracket 53
- (attached to rack posts) 53
- 18.95 in 55
- 25.533 in 55
- 7.735 in 55
- 17.798 in 55
- Air Flow Guidelines 56
- Power Connection Guidelines 57
- AC-Powered Routers 58
- DC-Powered Routers 59
- Figure 2-8 DC Power Cable Lug 60
- Site Wiring Guidelines 64
- PRP Auxiliary Port Signals 68
- PRP Console Port Signals 69
- PRP Ethernet Connections 70
- RJ-45 connector 72
- Transmission 74
- Installation Overview 79
- Required Tools and Equipment 80
- 1 Front Door Latch 81
- Removing Power Supplies 83
- Removing DC PEMs 84
- Removing the Blower Module 85
- Verifying Rack Dimensions 93
- OL-13832-01 100
- Reinstalling Power Supplies 103
- Reinstalling AC PEMs 104
- Reinstalling DC PEMs 105
- Air filter door 108
- Clock scheduler card 108
- Q OC-3/STM-POS 109
- FAST ETERNET 112
- Alarm display 119
- Power on the circuit breaker 124
- Troubleshooting Overview 126
- Identifying Startup Issues 128
- Troubleshooting a DC PEM 134
- 1 3 4 52 6 140
- ETH 1ETH 0 141
- PRP Reset Switch 142
- PROCESSOR 143
- PRP Memory Components 144
- PRP SDRAM 146
- PRP SRAM 146
- PRP NVRAM 147
- PRP Flash Memory 147
- Troubleshooting Line Cards 151
- Blower Module Operation 160
- Power Supply Operation 160
- Overtemperature Conditions 161
- Maintaining the Router 165
- Powering Off the Router 166
- Figure 5-3) 170
- Subsystem Components 176
- Figure 5-7 AC PEM Components 178
- Figure 5-11) 184
- Rear panel 185
- AC horizontal trough 185
- DC horizontal trough 196
- Clear plastic covers 196
- Figure 5-19) 199
- Card Cage 205
- Technical Specifications 211
- • chassis only 212
- Router Specifications 216
- Site Log 217
- Appendix B Site Log 218
- Numerics 221
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