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Chapter 1 Cisco XR 12404 Router Overview
Route Processor
1-16
Cisco XR 12404 Router Installation Guide
OL-13830-02
PRP SDRAM
The PRP uses Error Checking and Correction (ECC) Synchronized Dynamic
Random Access Memory (SDRAM) to store routing tables, protocols, network
accounting applications, and to run Cisco IOS software.
Table 1-5
lists the DRAM configurations for the PRP. If you are using:
• One DIMM—Bank 1 (U15) must be populated first.
• Two DIMMs—You cannot mix memory sizes; both banks must contain the
same size DIMM.
Caution DRAM DIMMs must be 3.3-volt, 60-nanosecond devices only. Do not attempt to
install other devices in the DIMM sockets. To prevent memory problems, use the
memory products approved by Cisco, listed in Table 1-5.
PRP-3 provides more system memory than PRP
-2. PRP-3 is shipped with 2 GB
of system memory in each DDR2 DRAMs, for a total of 4 GB and provides an
upgrade option for a total of 8 GB (4 GB x 2 DRAM).
Note The two DIMMs must be of the same sizes. Do not use two different DIMM sizes
together.
Ta b l e 1-5 PRP-2 DRAM Configurations
Total
SDRAM SDRAM Sockets Number of DIMMs
Total
SD
RAM SDRAM Sockets Number of DIMMs
2 GB
1
1. Default shipping configuration.
U15 (bank 1)
U18 (bank 2)
One 2 GB DIMM
or
Two 2 GB DIMMs
4 GB U15 (bank 1)
U18 (bank 2)
One 4 GB DIMM
or
Two 4 GB DIMMs
todd.book Page 16 Monday, March 16, 2009 2:47 PM
- March 2009 1
- CONTENTS 5
- 3 Installing the Router 3-1 6
- Contents 7
- Changes to This Document 9
- Audience 10
- Document Conventions 12
- Router Overview 15
- Route Processor 18
- 1 3 4 52 20
- BITS 1 AUX CONSOLE 22
- PRP-3 LEDs 23
- PRP Reset Switch 23
- PROCESSOR 24
- PRP Memory Components 26
- PRP SDRAM 30
- PRP SRAM 31
- PRP NVRAM 31
- PRP Flash Memory 31
- PRP-3 Compact Flash 32
- Supported Line Cards 33
- Q OC-3/STM-1 MM POS 34
- Q OC-3/STM-1 SM IR POS 34
- Alarm Functionality 35
- Power Source Monitoring 36
- Power Entry Modules 37
- Figure 1-12 AC PEM Components 38
- Fan Tray Assembly 40
- Figure 1-14 Fan Tray Assembly 41
- Cable Management System 42
- Maintenance Bus 45
- Code Download 46
- Diagnostics 46
- Preparing for Installation 47
- Safety and Compliance 48
- General Safety Guidelines 49
- Router Chassis 51
- Laser Safety 52
- Lifting Guidelines 52
- Safety with Electricity 54
- Rack Mounting Clearance 55
- Multiple Routers in a Rack 55
- 23.2657.761 56
- 18.95 in. 17.38 in 56
- Environmental Guidelines 57
- Temperature and Humidity 58
- Power Connection Guidelines 59
- Site Wiring 61
- Distance Limitations 62
- Site Preparation Checklist 63
- Installing the Router 66
- Required Tools 67
- Compliance 74
- Compliance (PRP-3 Installed) 75
- Figure 3-6 Cable Lug 75
- Figure 3-7 Crimping the Lug 76
- 1. Baud to 9600 80
- 2. Data bits to 8 80
- 3. Parity to no parity 80
- 4. Stop bits to 2 80
- PRP Console Port Signals 82
- PRP Auxiliary Port Signals 83
- PRP Ethernet Connections 86
- RJ-45 connector 87
- Figure 3-21 AC PEM LEDs 95
- Figure 3-22 DC PEM LEDs 96
- Figure 3-23 CSF LEDs 97
- Ta b l e 3-6 CSF LEDs 97
- Ta b l e 3-8 CSF MBus LEDs 97
- Manually Booting the System 98
- External Network Interface 98
- Identifying Startup Problems 100
- OL-13830-02 101
- Figure 4-1 AC PEM 104
- Figure 4-2 DC PEM and PDU 108
- Troubleshooting the RP 112
- ETH 1ETH 0 115
- Single PRP-3 Scenario 117
- PRP-3 Alphanumeric LEDs 117
- Dual PRP-3 Scenario 119
- Maintaining the Router 125
- Tools and Equipment 126
- Powering Off the Router 127
- CONSOLIDATED SWITCH FABRIC 128
- Step 12 Power on the PEM 140
- Step 12 Power on both PEMs 150
- Fabric Alarm 153
- Fabric Card 160
- Technical Specifications 163
- Product Architecture 164
- Specifications 165
- Compliance Information 167
- Ta b l e A-5 Immunity Tests 168
- FCC Class A Compliance 170
- CISPR 22 171
- Europe—EU 172
- VCCI Class A Notice for Japan 172
- Class A Notice for Hungary 173
- Class A Notice for Korea 174
- Numerics 175
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