Cisco Systems XR 12410 Manuel d'installation Page 134
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Chapter 4 Troubleshooting the Installation
Troubleshooting the Power Subsystem
4-10
Cisco XR 12410 Router Installation Guide
OL-13832-01
Troubleshooting a DC PEM
Use the following procedure to troubleshoot a 2800 W DC PEM if it is not
operating properly.
Step 1 Make sure the PEM is seated properly:
• Eject and reseat the PEM. Make sure:
–
The captive screw on the ejector lever is tightened securely.
–
The power switch is set to the on (1) position.
Step 2 Check the PEM status indicators:
• F1LO (feeder 1 low) (flashing yellow)—Indicates that input connections to
the PDU (feeder
1) are loose or not connected, or the input voltage is below
the minimum. This indicator remains off during normal operation. Make sure
that:
–
Power cords are securely attached to their PDU terminal studs.
–
Power cords are securely attached at the DC source end.
–
The source DC circuit breaker is switched on.
If the indicator is still flashing after you perform the above checks, replace
the power supply.
• F2LO (feeder2 low) (flashing yellow)—Indicates that input connections to
the PDU (feeder
2) are loose or not connected, or the input voltage is below
the minimum. This indicator remains off during normal operation. Make sure
that:
–
Power cords are securely attached to their PDU terminal studs.
–
Power cords are securely attached at the DC source end.
–
The source DC circuit breaker is switched on.
If the indicator is still flashing after you perform the above checks, replace
the power supply.
• RPF1 (reverse polarity feeder 1) (flashing yellow)—The (feeder 1) PDU is
miswired. For wiring instructions see the
“Connecting Power to a
DC-Powered Router” section on page 3-46. This indicator remains off during
normal operation.
- 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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