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1-3
Cisco XR 12404 Router Installation Guide
OL-13830-02
Chapter 1 Cisco XR 12404 Router Overview
Physical and Functional Description of the Router
Physical and Functional Description of the Router
The Cisco XR 12404 router supports up to 8 chassis in a one standard 7-foot
(2.15 meter) rack and has the following key features:
• Route processor (PRP-2)—The primary route processor is installed in it’s
own dedicated slot. A redundant route processor can go in any line card slot.
See the “Route Processor” section on page 1-4 for information.
• Line cards—The card cage contains 4 hot-swappable card slots. The router
can accommodate up to three OC-192 line cards (or 2 line cards if redundant
route processors are installed). See the “Supported Line Cards” section on
page 1-19 for information.
• Consolidated switch fabric card (CSF)—Switch fabric, alarm, and clock
schedule functions are located on one board. The CSF card has a switching
capacity of 10 Gbps. See the “Consolidated Switch Fabric Card” section on
page 1-21 for information.
• AC power entry module (PEM)—A customized and hot-swappable one-piece
unit. See the “Power Entry Modules” section on page 1-23 for information.
• DC power entry module (PEM) and DC power distribution unit (PDU)—Two
pieces that can be removed as one unit or in separate pieces. See the “Power
Entry Modules” section on page 1-23 for information.
Note When operating the router, both power module bays must have DC PEMs
and DC PDUs installed to ensure EMI compliance.
• Fan tray assembly—Supplies cooling air to the router. See the “Fan Tray
Assembly” section on page 1-26 for information.
• Cable management bracket used to neatly route line card cables. See the
“Cable Management System” section on page 1-28 for information.
• Maintenance Bus—Controls all of the MBus modules in the system. See the
“Maintenance Bus” section on page 1-31 for information.
todd.book Page 3 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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