Cisco ASR 5000 Series Instruction Manual

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Cisco ASR 5000 Series Aggregation Services Router Installation and Administration Guide
© 2011 Cisco Systems, Inc. and/or its affiliated entities. All rights reserved.

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CONTENTS
About this Guide ................................................................................................ ix
Conventions Used..................................................................................................................................................... x
Contacting Customer Support ................................................................................................................................xii
ASR 5000 Hardware Platform Overview ......................................................... 13
Chassis Configurations........................................................................................................................................... 14
ASR 5000 Chassis Descriptions ............................................................................................................................. 17
Slot Numbering.................................................................................................................................................. 17
Rear Slot Numbering for Half-Height Line Cards ........................................................................................ 18
Rear Slot Numbering with Full-height Line Cards ....................................................................................... 19
Mounting Options.............................................................................................................................................. 19
Midplane Architecture ....................................................................................................................................... 19
320 Gbps Switch Fabric................................................................................................................................ 20
32 Gbps Control Bus..................................................................................................................................... 21
System Management Bus.............................................................................................................................. 21
280 Gbps Redundancy Bus........................................................................................................................... 21
OC-48 TDM Bus .......................................................................................................................................... 23
SPIO Cross-Connect Bus.............................................................................................................................. 23
Power Filter Units .................................................................................................................................................. 24
Fan Tray Assemblies .............................................................................................................................................. 26
Lower Fan Tray ................................................................................................................................................. 26
Air Filter Assembly ........................................................................................................................................... 27
Upper Fan Tray.................................................................................................................................................. 27
Chassis Airflow ................................................................................................................................................. 28
ASR 5000 Application Cards ................................................................................................................................. 29
System Management Card................................................................................................................................. 29
SMC RAID Support .......................................................................................................................................... 31
Packet Processing Cards: PSC, PSC2, and PPC ................................................................................................ 32
Packet Services Card (PSC) Description ...................................................................................................... 33
Packet Services Card 2 (PSC2) Description ................................................................................................. 35
Interoperability.............................................................................................................................................. 35
Redundancy .................................................................................................................................................. 35
Power Estimate ............................................................................................................................................. 35
Packet Process Card 3 (PPC3) Description ....................................................................................................... 37
Interoperability.............................................................................................................................................. 37
Packet Processor Card (PPC) Description ......................................................................................................... 37
Interoperability.............................................................................................................................................. 38
Redundancy .................................................................................................................................................. 38
Power Estimate ............................................................................................................................................. 38
ASR 5000 Line Cards............................................................................................................................................. 40
Switch Processor I/O Card................................................................................................................................. 40
Management LAN Interfaces........................................................................................................................ 42
Console Port.................................................................................................................................................. 42
BITS Timing ................................................................................................................................................. 43
Central Office Alarm Interface ..................................................................................................................... 43
Redundancy Crossbar Card ............................................................................................................................... 43
Ethernet 10/100 Line Card................................................................................................................................. 45
Ethernet 1000 (Gigabit Ethernet) Line Cards .................................................................................................... 47

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Quad Gigabit Ethernet Line Card...................................................................................................................... 48
10 Gigabit Ethernet Line Card .......................................................................................................................... 50
Optical Line Cards (OLC and OLC2) ............................................................................................................... 54
Channelized Line Cards (CLC and CLC2)........................................................................................................ 58
Channelized Line Card (CLC)...................................................................................................................... 58
Channelized Line Card 2 (CLC2)................................................................................................................. 58
Standards Compliance .................................................................................................................................. 62
General Application and Line Card Information.................................................................................................... 64
Card Interlock Switch........................................................................................................................................ 64
Installation Procedure Overview ..................................................................... 65
Chassis Components .............................................................................................................................................. 66
Installation at a Glance........................................................................................................................................... 68
Required Tools and Equipment.............................................................................................................................. 69
Hand Tools ........................................................................................................................................................ 69
Equipment ......................................................................................................................................................... 69
Protecting Against Electro-static Discharge........................................................................................................... 70
Federal Communications Commission Warning.................................................................................................... 72
ICS Notice ......................................................................................................................................................... 72
Laser Notice ...................................................................................................................................................... 72
Chassis Installation .......................................................................................... 73
Equipment Rack Configuration.............................................................................................................................. 74
Ventilation Considerations ................................................................................................................................ 74
Mounting Options ............................................................................................................................................. 75
Weight Considerations ........................................................................................................................................... 77
Installing the Chassis.............................................................................................................................................. 78
Reducing the Weight of the Chassis Prior to Installation .................................................................................. 78
Standard Installation of the Chassis................................................................................................................... 81
Mid-Mount Installation of the Chassis .............................................................................................................. 82
Grounding the Chassis....................................................................................................................................... 83
Re-Installing Chassis Sub-components ............................................................................................................. 85
Application Card Installation ........................................................................... 91
Chassis Slot Numbering and Assignments............................................................................................................. 92
ASR 5000 Platform ........................................................................................................................................... 92
Packet Processing Card Redundancy ................................................................................................................ 93
Recommended Minimum Chassis Configuration.............................................................................................. 93
Installing Application Cards................................................................................................................................... 95
Line Card Installation ....................................................................................... 99
Chassis Slot Numbering and Assignments........................................................................................................... 100
Line Card Redundancy......................................................................................................................................... 103
Side-by-side Redundancy for the XGLC......................................................................................................... 103
Requirement Summary ............................................................................................................................... 103
CLI Commands for XGLC Redundancy .................................................................................................... 104
Recommended Minimum Chassis Configuration ................................................................................................ 105
Installing Half-Height Line Cards........................................................................................................................ 106
Installing the 10 Gigabit Ethernet Line Card (XGLC) ......................................................................................... 109
Installing the XGLC ........................................................................................................................................ 109
Cabling the Switch Processor Input/Output Line Card .............................. 117
SPIO Interfaces .................................................................................................................................................... 118
BNC BITS Interface Version .......................................................................................................................... 118
3-Pin BITS Interface Version.......................................................................................................................... 120
Connecting to the Management LAN .................................................................................................................. 123
Using the SFP Interfaces ................................................................................................................................. 123
Using the RJ-45 Interfaces .............................................................................................................................. 124

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Connecting to the System’s Console Port ............................................................................................................ 126
Connecting to the CO Alarm Interface................................................................................................................. 129
Electrical Characteristics ................................................................................................................................. 131
Central Office Alarm Wiring Example............................................................................................................ 131
Cabling the Ethernet 10/100 Line Card......................................................... 133
Ethernet 10/100 Interfaces.................................................................................................................................... 134
Cabling the Gigabit Ethernet Line Cards ..................................................... 137
Ethernet 1000 Line Card ...................................................................................................................................... 138
Quad Gigabit Ethernet Line Card ......................................................................................................................... 140
RJ45 SFP Module Detail ...................................................................................................................................... 142
Cabling the Optical SFP Interface ........................................................................................................................ 143
10 Gigabit Ethernet Line Card ............................................................................................................................. 144
Cabling the Optical SFP Interface ........................................................................................................................ 146
Cabling the Optical (ATM) Line Cards .......................................................... 147
Optical (ATM) Line Cards Interfaces .................................................................................................................. 148
Cabling the Optical SFP Interface ........................................................................................................................ 150
Cabling the Channelized Line Cards ............................................................ 151
Channelized Line Card Interfaces ........................................................................................................................ 152
Cabling the Optical SFP Interface ........................................................................................................................ 154
Cabling the Power Filter Units....................................................................... 155
Power Considerations........................................................................................................................................... 156
Estimating Power Requirements...................................................................................................................... 156
Power Cable Requirements.............................................................................................................................. 157
Connecting the PFU to the Power Source ............................................................................................................ 160
Applying Power and Verifying the Installation ............................................ 163
Understanding the System Boot Process .............................................................................................................. 164
Applying Power to the Chassis............................................................................................................................. 166
Verifying the Installation...................................................................................................................................... 168
Checking the LED on the PFU(s) .................................................................................................................... 168
Checking the LEDs on the SMC(s) ................................................................................................................. 169
SMC Run/Fail LED States.......................................................................................................................... 170
SMC Active LED States ............................................................................................................................. 171
SMC Standby LED States........................................................................................................................... 172
SMC Status LED States .............................................................................................................................. 172
SMC Service LED States............................................................................................................................ 173
SMC Busy LED States................................................................................................................................ 173
Checking the LEDs on Packet Processing Cards............................................................................................. 174
PSC, PSC2, and PPC Run/Fail LED States ................................................................................................ 175
PSC, PSC2, and PPC Active LED States.................................................................................................... 176
PSC, PSC2, and PPC Card Standby LED States......................................................................................... 177
Checking the LEDs on the SPIO(s) ................................................................................................................. 177
SPIO Run/Fail LED States.......................................................................................................................... 179
SPIO Active LED States ............................................................................................................................. 179
SPIO Standby LED States .......................................................................................................................... 180
SPIO Interface Link LED States................................................................................................................. 180
SPIO Interface Activity LED States ........................................................................................................... 181
Checking the LEDs on the Ethernet Line Cards .............................................................................................. 181
Ethernet Line Card Run/Fail LED States.................................................................................................... 182
Ethernet Line Card Active LED States ....................................................................................................... 182
Ethernet Line Card Standby LED States..................................................................................................... 183
Ethernet Line Card Interface Link LED States ........................................................................................... 184
Ethernet Line Card Activity LED States..................................................................................................... 184

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Checking the Card-Level LEDs on the Optical (ATM) Line Card ................................................................. 185
Optical (ATM) Line Card Run/Fail LED States......................................................................................... 186
Optical ATM Line Card Active LED States............................................................................................... 187
Standby LED States.................................................................................................................................... 188
Checking the Port Status LEDs on the Optical (ATM/POS OC-3) Line Card ................................................ 188
Card-Level LEDs on the Channelized (STM-1/OC-3) Line Card................................................................... 190
Channelized Line Card Run/Fail LED States ............................................................................................. 191
Channelized Line Card Active LED States ................................................................................................ 192
Channelized Line Card Standby LED States .............................................................................................. 193
Checking the Port Status LEDs on the Channelized Line Card....................................................................... 193
Checking the LEDs on the DS3/E and DS3/T Line Cards .............................................................................. 195
DS3/E and DS3/T Run/Fail LED States ..................................................................................................... 196
DS3/E and DS3/T Active LED States ........................................................................................................ 196
DS3/E and DS3/T Standby LED States...................................................................................................... 197
Checking the LEDs on the RCC(s) ................................................................................................................. 198
RCC Run/Fail LED States .......................................................................................................................... 199
RCC Active LED States ............................................................................................................................. 199
RCC Standby LED States........................................................................................................................... 200
Monitoring Hardware Status .......................................................................... 201
SNMP Notifications ............................................................................................................................................. 202
Monitoring Hardware Status ................................................................................................................................ 203
Overview ......................................................................................................................................................... 203
Chassis Access and Command Line Interface................................................................................................. 203
Password and Credential Updates ................................................................................................................... 204
System Time.................................................................................................................................................... 204
Flash File System ............................................................................................................................................ 204
Logs and SNMP Traps .................................................................................................................................... 205
SNMP Traps.................................................................................................................................................... 205
System Logging............................................................................................................................................... 205
Full Core and Mini-core Dumps...................................................................................................................... 206
Alerts and Alarms............................................................................................................................................ 207
Counters, Hardware Health Check, Status, and Bulkstats............................................................................... 207
Licensing and IP Pool Utilization.................................................................................................................... 209
Software Upgrades .......................................................................................................................................... 209
Quick Reference .............................................................................................................................................. 210
Constant Attention ...................................................................................................................................... 210
Daily ........................................................................................................................................................... 210
Weekly........................................................................................................................................................ 210
Monthly ...................................................................................................................................................... 211
6 Months..................................................................................................................................................... 211
No Specific Time Frame............................................................................................................................. 211
Adding Application and Line Cards to an Existing Installation................ 213
Chassis Slot Numbering and Assignments........................................................................................................... 214
Adding Application Cards.................................................................................................................................... 216
Adding Half-Height Line Cards........................................................................................................................... 219
Adding the 10 Gigabit Ethernet Line Card .......................................................................................................... 222
Installing the XGLC ........................................................................................................................................ 222
Removing/Installing SMC PC Cards ............................................................. 231
Installing Flash Memory PC Cards ...................................................................................................................... 232
Removing Flash Memory PC Cards..................................................................................................................... 235
Replacing the Chassis' Air Filter................................................................... 239
Determining When an Air Filter Needs Replacing .............................................................................................. 240
Removing the Old Air Filter ................................................................................................................................ 241

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Installing the New Air Filter................................................................................................................................. 243
Replacing the Chassis' Power Filter Units................................................... 245
Determining that a PFU has Failed....................................................................................................................... 246
Removing the Failed PFU .................................................................................................................................... 247
Installing the Replacement PFU ........................................................................................................................... 250
What to do with the Failed PFU ........................................................................................................................... 253
Replacing Upper or Lower Fan Tray ............................................................. 255
Determining Whether a Fan Tray Needs Replacing ............................................................................................. 256
Using the CLI .................................................................................................................................................. 256
Using SNMP Traps and MIB Objects ............................................................................................................. 256
Removing an Upper Fan Tray that has Failed ...................................................................................................... 258
Installing a Replacement Upper Fan Tray ............................................................................................................ 260
Removing a Lower Fan Tray Assembly that has Failed....................................................................................... 261
Installing a Replacement Lower Fan Tray Assembly........................................................................................... 263
What to do with the Failed Fan Tray.................................................................................................................... 265
Replacing Application Cards......................................................................... 267
Determining Whether an Application Card has Failed......................................................................................... 268
Using the CLI .................................................................................................................................................. 268
Using SNMP Traps.......................................................................................................................................... 269
Removing the Failed Application Card ................................................................................................................ 271
Installing the Replacement Application Card....................................................................................................... 273
Removing and Replacing the CompactFlash Memory Card ................................................................................ 275
Removing and Replacing the CompactFlash on an SMC................................................................................ 276
What to do with the Failed Application Card ....................................................................................................... 279
Replacing Line Cards ..................................................................................... 281
Determining Whether a Line Card has Failed ...................................................................................................... 282
Using the CLI .................................................................................................................................................. 282
Using SNMP Traps.......................................................................................................................................... 283
Removing the Failed Line Card ........................................................................................................................... 284
Installing the Replacement Line Card .................................................................................................................. 286
What to do with the Failed Line Card .................................................................................................................. 288
Technical Specifications ................................................................................ 289
Physical Dimensions ............................................................................................................................................ 290
Chassis............................................................................................................................................................. 290
Application Cards ............................................................................................................................................ 290
Line Cards ....................................................................................................................................................... 290
Fan Tray Assemblies ....................................................................................................................................... 291
Lower Fan Tray .......................................................................................................................................... 291
Upper Fan Tray........................................................................................................................................... 291
Power Filter Unit ............................................................................................................................................. 291
Weight Specifications...................................................................................................................................... 292
Power Specifications ............................................................................................................................................ 293
Estimating Power Requirements...................................................................................................................... 293
Mounting Requirements ....................................................................................................................................... 294
Interface Specifications ........................................................................................................................................ 296
SPIO Card Interfaces ....................................................................................................................................... 296
Console Port Interface................................................................................................................................. 296
Fiber SFP Interface ..................................................................................................................................... 298
10/100/1000 Mbps RJ-45 Interface............................................................................................................. 299
Central Office Alarm Interface ................................................................................................................... 299
BITS Timing Interface................................................................................................................................ 302
Ethernet 10/100 Line Card Interfaces .............................................................................................................. 303
10/100 Mbps RJ-45 Interface...................................................................................................................... 303

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Ethernet 1000 Line Card/Quad Gigabit Ethernet Line Card (QGLC) SFPs.................................................... 304
QGLC/1000Base-SX .................................................................................................................................. 304
QGLC/1000Base-LX Interface................................................................................................................... 305
RJ-45 SFP Interface.................................................................................................................................... 306
10 Gigabit Ethernet Line Card (XGLC) SFP+ ................................................................................................ 307
XGLC 10GBase-SR ................................................................................................................................... 307
XGLC 10 Base-LR Interface ...................................................................................................................... 307
Fiber ATM/POS OC-3 (OLC and OLC2) Multi-Mode Interface.................................................................... 308
Fiber ATM/POS OC-3 SM IR-1 Interface.................................................................................................. 308
Channelized Line Cards .................................................................................................................................. 309
Channelized Line Cards with Single-mode Interface ................................................................................. 309
Channelized Line Cards (CLC and CLC2) with Multi-Mode Interface ..................................................... 310
Safety, Electrical, and Environmental Certifications .................................. 313
Federal Communications Commission Warning.................................................................................................. 314
ICS Notice ....................................................................................................................................................... 314
Laser Notice .................................................................................................................................................... 314
Safety Certifications............................................................................................................................................. 315
Electrical Certifications........................................................................................................................................ 316
Environmental Certifications ............................................................................................................................... 317
Environmental Specifications ....................................................................... 319
Environmental Information .................................................................................................................................. 320
Storage Temperature and Humidity ................................................................................................................ 320
Operating Temperature and Humidity............................................................................................................. 320
Altitude Operations ......................................................................................................................................... 320
Supported Environmental Standards ............................................................................................................... 320
Chassis Air Flow ............................................................................................................................................. 321
RoHS Compliance Statement .................................................................. cccxxii
Chassis ...........................................................................................................................................................cccxxiii
Fan Assembly.................................................................................................................................................cccxxiv
Power Filter Unit (PFU).................................................................................................................................. cccxxv
Full Product....................................................................................................................................................cccxxvi

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About this Guide
This document pertains to the features and functionality that run on and/or that are related to the Cisco® ASR 5000
Chassis, formerly the Starent Networks ST40.

About this Guide
▀Conventions Used
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Conventions Used
The following tables describe the conventions used throughout this documentation.
Icon
Notice Type
Description
Information Note
Provides information about important features or instructions.
Caution
Alerts you of potential damage to a program, device, or system.
Warning
Alerts you of potential personal injury or fatality. May also alert you of potential
electrical hazards.
Electro-Static Discharge
(ESD)
Alerts you to take proper grounding precautions before handling a product.
Typeface Conventions
Description
Text represented as a
This typeface represents displays that appear on your terminal screen, for example:
Text represented as
This typeface represents commands that you enter, for example:
This document always gives the full form of a command in lowercase letters. Commands
are not case sensitive.
Text represented as a
This typeface represents a variable that is part of a command, for example:
slot_number is a variable representing the desired chassis slot number.
Text represented as menu or sub-
menu names
This typeface represents menus and sub-menus that you access within a software
application, for example:
Click the File menu, then click New
Command Syntax
Conventions
Description
{ or
}
Required keywords and variables are surrounded by grouped brackets.
Required keywords and variables are those components that are required to be entered as part of the
command syntax.

About this Guide
Conventions Used ▀
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Command Syntax
Conventions
Description
[ or
]
Optional keywords or variables, or those that a user may or may not choose to use, are surrounded by square
brackets.
|
With some commands there may be a group of variables from which the user chooses one. These are called
alternative variables and are documented by separating each variable with a vertical bar (also known as a
pipe filter).
Pipe filters can be used in conjunction with required or optional keywords or variables. For example:
OR
[ | ]

About this Guide
▀Contacting Customer Support
▄Cisco ASR 5000 Series Aggregation Services Router Installation and Administration Guide
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Contacting Customer Support
Use the information in this section to contact customer support.
For New Customers: Refer to the support area of http://www.cisco.com for up-to-date product documentation or to
submit a service request. A valid username and password is required to this site. Please contact your local sales or
service representative for additional information.
For Existing Customers with support contracts through Starent Networks: Refer to the support area of
https://support.starentnetworks.com/ for up-to-date product documentation or to submit a service request. A valid
username and password is required to this site. Please contact your local sales or service representative for additional
information.
Important: For warranty and repair information, please be sure to include the Return Material Authorization
(RMA) tracking number on the outside of the package.

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Chapter 1
ASR 5000 Hardware Platform Overview
This chapter provides information on the hardware components that comprise the ASR 5000.

ASR 5000 Hardware Platform Overview
▀Chassis Configurations
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Chassis Configurations
The system is designed to scale from a minimum configuration, as shown in the table below, to a fully-loaded redundant
configuration containing a maximum of 48 cards.
Note that if Session Recovery is enabled, the minimum number of packet processing cards per chassis increases from
one to four cards. Three packet processing cards are active and one packet processing card is standby (redundant). This
minimal configuration is designed to protect against software failures only. In addition to increased hardware
requirements, Session Recovery may reduce subscriber session capacity, performance, and data throughput.
Important: For Release 9.0, only PDSN and HA are supported on the PPC. For Release 10.0, only PDSN, HA,
and GGSN are supported on the PPC.
Component
Supported Cisco
Systems Product
Minimum per
Chassis
Minimum for Redundant
Chassis Configuration
Maximum per
Chassis
System Management Card (SMC)
1
2
2
Packet Processor Card (PPC)
(Data application card)
1
2*
14
Packet Services Card (PSC) (Data
application card)
1
2*
14
Packet Services Card 2 (PSC2)
(Data application card)
1
2
14
Packet Services Card 3 (PSC3)
1
2
14
Switch Processor I/O (SPIO) Card
1
2
2
Redundancy Crossbar Card (RCC)
0
2
2
Power Filter Unit (PFU)
2
2
2
Upper Fan Tray Assembly
1
1
1
Lower Fan Tray Assembly
1
1
1
Line Cards
Fast Ethernet (10/100) Line Card
(FELC)
All
1
2
28**
Gigabit Ethernet Line Card
(GELC)
All
1
2
28**
Quad Gigabit Ethernet Line Card
(QGLC)
All
1
2
28**
10 Gigabit Ethernet Line Card
(XGLC)
All
1
2
14***
Optical Line Card (OLC)
SGSN only
1
2
28**

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Component
Supported Cisco
Systems Product
Minimum per
Chassis
Minimum for Redundant
Chassis Configuration
Maximum per
Chassis
Optical Line Card 2 (OLC2)
SGSN only
1
2
28**
Channelized Line Card (CLC)
SGSN only
1
2
28**
Channelized Line Card 2 (CLC2)
SGSN only
1
2
28**
Notes:
1. These numbers represent the minimum number of components with no redundancy.
2. These numbers represent the minimum number of components with hardware redundancy. Additional components
are required if Session Recovery is to be supported.
*1:1 redundancy is supported for these cards however some subscriber sessions and accounting information may be lost
in the event of a hardware or software failure even though the system remains operational.
**The physical maximum number of half-height line cards you can install is 28; however, redundant configurations may
use fewer than the physical maximum number of line cards since they are not required behind standby PSCs or PSC2s.
***The 10 Gigabit Ethernet Line Card is a full-height line card that takes up the upper and lower slots in the back of the
chassis. Use the upper slot number only when referring to installed XGLCs. Slot numbering for other installed half-
height cards is maintained: 17 to 32 and 33 to 48, regardless of the number of installed XGLCs.
Figure 1. Chassis Components (front and rear views)
This diagram shows exploded views of the front and rear chassis components. They are described below:

ASR 5000 Hardware Platform Overview
▀Chassis Configurations
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Table 1. Chassis and Sub-component Identification Key
Item
Description
1
Chassis: Supports 16 front-loading slots for application cards and 32 rear-loading slots for line cards. To support the
XGLC, a full-height line card, remove the half-height guide from the rear slots.
The chassis ships with blanking panels over every slot except the following: 1, 8, 17, and 24. These are intentionally left
uncovered for initial installation of application and line cards.
Refer to the ASR 5000 Chassis Descriptions section for additional information.
2
Mounting brackets: Support installation in a standard 19-inch rack or telecommunications cabinet. Standard and mid-
mount options are supported. In addition, each bracket contains an electro-static discharge jack for use when handling
equipment.
Refer to the Mounting Options section for additional information.
3
Upper fan tray: Draws air up through the chassis for cooling and ventilation. It then exhausts air through the vents at the
upper-rear of the chassis.
Refer to the Fan Tray Assemblies section for additional information.
4
Upper bezel: Covers the upper fan tray bay.
5
Lower fan tray cover: Secures the lower fan tray assembly in place. The cover also provides an air baffle allowing air to
enter into the chassis.
6
Lower bezel: Covers the lower fan tray bay.
7
Lower fan tray assembly: Draws air through the chassis’ front and sides for cooling and ventilation. It is equipped with a
particulate air filter to prevent dust and debris from entering the system.
Refer to the Fan Tray Assemblies section for additional information.
8
Power Filter Units (PFUs): Each of the system’s two PFUs provides -48 VDC power to the chassis and its associated
cards. Each load-sharing PFU operates independently of the other to ensure maximum power feed redundancy.
Refer to the Power Filter Units section for more information.

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ASR 5000 Chassis Descriptions
Slot Numbering
ASR 5000 chassis feature a 48-slot design with 16 front-loading slots for application cards and 32 rear-loading slots (16
upper and 16 lower) for line cards.
Figure 2. Front Slot Numbering Scheme for Application Cards
The rear of the chassis features a half-slot design that supports up to 32 line cards:

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Figure 3. Rear Slot Numbering Scheme for Line Cards
The following table shows the front slot numbers and their corresponding rear slot numbers.
Table 2. Front and Rear Slot Numbering Relationship
Position
Slot Number
Front
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
Rear Top Slots
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
Rear Bottom
Slots
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
Rear Slot Numbering for Half-Height Line Cards
Rear-installed line cards must be installed directly behind their respective front-loaded application card. For example, an
application card in Slot 1 must have a corresponding line card in Slot 17. The redundant line card for this configuration
would be placed in Slot 33. This establishes a directly mapped communication path through the chassis midplane
between the application and line cards.
To help identify which rear slot corresponds with the front-loaded application card, note that the upper rear slot numbers
are equal to the slot number of the front-loaded card plus 16. For example, to insert a line card to support an application
card installed in slot 1, add 16 to the slot number of the front-loaded application card (Slot 1 + 16 slots = Slot 17). Slot
17 is the upper right-most slot on the rear of the chassis, directly behind Slot 1.
For lower rear slot numbers, add 32. Again, a redundant line card for an application card in Slot 1 would be (Slot 1 + 32
= Slot 33). Slot 33 is the lower right-most slot on the rear of the chassis, also behind Slot 1.

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Rear Slot Numbering with Full-height Line Cards
ASR 5000 systems may be configured with 10 Gigabit Ethernet Line Cards (XGLCs). These are full-height line cards
for which the half-height card guide is removed in order to accommodate the cards. In this case, only the upper slot
number is used to refer to the XGLC. For half-height cards installed with the XGLCs, the half-height slot numbering
scheme is maintained.
For example, XGLCs installed in slots 17 and 32 also take up slots 33 and 48, but are referred to as cards in slots 17 and
32 only. The slots in which the SPIOs and RCCs are installed in the same configuration, are slots 24 and 25, and 40 and
41, respectively.
Mounting Options
The chassis is designed for installation in a standard 19-inch wide (48.26 cm) equipment rack. Additional rack hardware
(such as extension brackets) may be used to install the chassis in a standard 23-inch (58.42 cm) rack. Each chassis is
24.50 inches (62.23 cm) high. This equates to roughly 14 Rack Mount Units (RMUs: 1 RMU = 1.75 in (4.45 cm).
You can mount a maximum of three chassis in a standard 48 RMU (7 feet) equipment rack or telco cabinet provided that
all system cooling and ventilation requirements are met. A fully-loaded rack with three chassis installed has
approximately 5.5 inches (13.97 cm, 3.14 RMUs) of vertical space remaining.
To ensure all Central Office (CO) requirements and regulations are met, Nortel Networks currently mounts two PDSN
16000 shelves in a PTE 2000 frame measuring 600 mm (23.6-inch) wide by 900 mm (35.4-inch) deep by 2125 mm
(6.97-feet) high.
There are two options for mounting the chassis in a standard equipment rack or telecommunications cabinet:
Standard: In this configuration, the flanges of the mounting brackets are flush with the front of the chassis. This
is the default configuration as shipped.
Mid-mount: In this configuration, the flanges of the mounting brackets are recessed from the front of the
chassis. To do this, install the mounting brackets toward the middle of the chassis on either side.
Caution: When planning chassis installation, take care to ensure that equipment rack or cabinet hardware does
not hinder air flow at any of the intake or exhaust vents. Additionally, ensure that the rack/cabinet hardware, as well as
the ambient environment, allow the system to function within the required limits. For more information, refer to the
Environmental Specifications chapter of this guide.
Midplane Architecture
Separating the front and rear chassis slots is the midplane. The connectors on the midplane provide intra-chassis
communications, power connections, and data transport paths between the various installed cards.
The midplane also contains two separate -48 VDC busses (not shown) that distribute redundant power to each card
within the chassis.

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Figure 4. Midplane/Switch Fabric Architecture
Table 3. Midplane and Bus Descriptions
Item
Description
1
Slot number 1 (left-most application card slot)
2
Chassis midplane: provides intra-chassis communications and data transport paths between the various installed cards
3
SPIO cross-connect bus
4
Chassis slot number 16: right-most application card slot
5
Chassis slot number 17: upper right-most line card slot. The 10 Gigabit Ethernet Line Card (XGLC) is a full-height line
card that takes up the upper and lower slots in the back of the chassis. Use the upper slot number only when referring to
installed XGLCs. Slot numbering for other half-height lines cards is maintained: 17 to 32 and 33 to 48, regardless of the
number of installed XGLCs.
6
Chassis slot number 48: lower left-most line card slot
The following sections provide descriptions for each bus:
320 Gbps Switch Fabric
System Management Card (SMC), this IP-based, or packetized, switch fabric provides a transport path for user data
throughout the system. The 320 Gbps switch fabric establishes inter-card communication between the SMC(s) and other
application cards within the chassis, and their respective line cards.