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Chapter 4 Troubleshooting the Installation
Troubleshooting the Processor Subsystem
4-16
Cisco XR 12410 and Cisco XR 12810 Router Installation Guide
OL-17441-01
Performance Route Processor Overview
The performance route processor (PRP) uses a Motorola PowerPC 7450 CPU that
runs at an external bus clock speed of 133 MHz and has an internal clock speed
of 667 MHz.
Figure 4-3 identifies the slots, ports, and LEDs on the PRP front panel.
Figure 4-3 Performance Route Processor Front Panel
Figure 4-4 Performance Route Processor 3 (PRP-3) Front Panel
Ta b l e 4-2 PRP-3 Front Panel Hardware Components Detail
1 PCMCIA flash disk slots (shown with cover in
place) and slot LEDs
4 Console serial port
2 RJ-45 Ethernet ports and data status LEDs 5 Reset button
3 Auxiliary serial port 6 Alphanumeric message displays
EJECT
RX
TX
PRIMARY
SLOT-1
SLOT-0
LINK
EN
RX
TX
ETH 1ETH 0 AUX
CONSOLE
PERFORMANCE ROUTE PROCESSOR 1 (PRP-1)
LINK
PRIMARY
EN
RESET
129307
1 3 4 52 6
272359
CONSOLE
AUXBITS 1BITS 0ETH 1ETH 0
PERFORMANCE RP 3
RESET
AC
T
S
I
G
AC
T
S
I
G
D
A
T
A
L
IN
K
D
A
TA
L
INK
1 3 4 52
Numeric Callout Hardware Components
1 Ejecter Lever
2 Handle
3 External Compact Flash
- Router Installation Guide 1
- CONTENTS 5
- B Site Log B-1 9
- Contents 10
- OL-17441-01 10
- Changes to This Document 11
- Audience 12
- Document Organization 12
- Document Conventions 13
- Product Overview 15
- 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
- BITS 1 AUX CONSOLE 33
- PRP-3 LEDs 34
- PRP Memory Components 37
- PRP SDRAM 41
- PRP SRAM 42
- PRP NVRAM 42
- PRP Flash Memory 42
- PRP-3 Compact Flash 43
- XR 12000 Series Router 44
- Horizontal cable 46
- Blower Module 47
- Figure 1-18 Cooling Air Flow 48
- Preparing for Installation 51
- Safety Guidelines 52
- Laser Safety 53
- Lifting Guidelines 55
- Site Requirement Guidelines 56
- Enclosed Rack 57
- Open Rack 57
- Telco Rack 58
- Center-mount 59
- Rack-mount bracket 59
- (attached to rack posts) 59
- 18.95 in 61
- 26.533 in 61
- 7.735 in 61
- 18.798 in 61
- Air Flow Guidelines 62
- Power Connection Guidelines 63
- AC-Powered Routers 64
- DC-Powered Routers 65
- Figure 2-8 DC Power Cable Lug 66
- Site Wiring Guidelines 70
- PRP Auxiliary Port Signals 74
- PRP Console Port Signals 75
- PRP Ethernet Connections 76
- 8 7 6 5 4 3 2 1 78
- Transmission 80
- Installation Overview 85
- Required Tools and Equipment 86
- 1 Front Door Latch 87
- Removing Power Supplies 89
- Removing DC PEMs 90
- Removing the Blower Module 91
- Verifying Rack Dimensions 99
- Reinstalling Power Supplies 109
- Reinstalling AC PEMs 110
- Reinstalling DC PEMs 111
- Air filter door 114
- Clock scheduler card 114
- FAST ETERNET 118
- Alarm display 125
- Troubleshooting Overview 132
- Identifying Startup Issues 134
- Figure 4-1 AC PEM Components 136
- Troubleshooting a DC PEM 140
- 1 3 4 52 6 146
- 1 3 4 52 146
- ETH 1ETH 0 148
- PRP Reset Switch 149
- PROCESSOR 150
- PRP-3 Alphanumeric LEDs 154
- Single PRP-3 Scenario 154
- Dual PRP-3 Scenario 156
- Troubleshooting Line Cards 159
- Figure 4-11 Cooling Air Flow 167
- Blower Module Operation 168
- Power Supply Operation 168
- Overtemperature Conditions 169
- Maintaining the Router 173
- Powering Off the Router 174
- OC-12/STM-4 ATM 178
- Subsystem Components 184
- Figure 5-7 AC PEM Components 186
- Figure 5-11) 192
- Rear panel 193
- AC horizontal trough 193
- DC horizontal trough 204
- Clear plastic covers 204
- Card Cage 212
- Technical Specifications 219
- • chassis only 220
- Router Specifications 224
- Site Log 225
- Appendix B Site Log 226
- Numerics 229
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