Cisco ASR 902U, ASR 902 Hardware Installation Manual
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
First Published: 2014-03-14
Last Modified: 2017-07-30
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CONTENTS
Preface
CHAPTER 1
Preface xi
Document Revision History xi
Document Audience xii
Document Organization xii
Document Conventions xiii
Obtaining Documentation and Submitting a Service Request xiv
Overview 1
Cisco ASR 902 Router Features 1
System Specifications 3
Power Supply Features 4
Redundancy 4
Dying Gasp 4
Status LEDs 4
DC Power Specifications 4
AC Power Specifications 8
Fan Tray 9
Fan Tray (A902-FAN-E) 10
Dust Filter (A902-FAN-F) 11
Air Plenum 11
RSP Modules 11
Supported RSPs 12
A900-RSP1-Supported Interface Modules 14
A900-RSP2-Supported Interface Modules 15
A900-RSP3C-200-S Supported Interface Modules 17
Supported RSP Features 18
Network Timing Interfaces 18
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
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Contents
RSP Interfaces 18
GNSS Module (A900-CM-GNSS) 20
GNSS Module RF Input Requirements 21
Interface Modules 22
Gigabit Ethernet SFP Interface Module 22
Gigabit Ethernet RJ45 Interface Module 23
1-Port 10-Gigabit Ethernet XFP Interface Module 24
16-Port T1/E1 Interface Module 25
4-port OC3/STM-1 (OC-3) or 1-port OC12/STM-4 (OC-12) Interface Module 25
8x1 Gigabit Ethernet SFP + 1x10 Gigabit Ethernet SFP+ Combination Interface Module
27
8x1 Gigabit Ethernet RJ45 + 1x10 Gigabit Ethernet SFP+ Combination Interface
Module 28
CHAPTER 2
8-Port 10 Gigabit Ethernet Interface Module (8x10GE) 29
2-Port 10 Gigabit Ethernet SFP+ Interface Module (2x10 GE) 30
2-Port 40 Gigabit Ethernet QSFP Interface Module (2x40 GE) 31
14-Port Serial Interface Module 31
Supported Standards 32
6-Port E and M Interface Module 33
4-Port C37.94 Interface Module 33
Blank Deflector (A900-IMA-BLNK-DEF) 34
Maximum Operating Ambient Temperature Support for RSP3 Modules 34
Temperature Sensor 35
Temperature Sensors on the A900 RSP3 modules 35
Serial Number Label Location 36
Interface Numbering 36
Regulatory Compliance 37
Preparing for Installation 39
Safety Guidelines 39
Standard Warning Statements 39
Safety Guidelines for Personal Safety and Equipment Protection 42
Safety Precautions for Module Installation and Removal 42
Safety with Electricity 43
Power Supply Considerations 47
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
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Contents
Preventing ESD Damage 47
Site Planning 48
General Precautions 48
Site Planning Checklist 49
Site Selection Guidelines 49
Environmental Requirements 49
Physical Characteristics 49
Air Flow Guidelines 50
Air Flow Guidelines for Enclosed Rack Installation 52
Floor Loading Considerations 52
Site Power Guidelines 52
Electrical Circuit Requirements 54
Site Cabling Guidelines 54
Asynchronous Terminal Connections 55
Interference Considerations 55
Electromagnetic Interference 55
Radio Frequency Interference 56
Lightning and AC Power Fault Interference 56
Rack-Mounting Guidelines 56
Precautions for Rack-Mounting 56
Rack Selection Guidelines 56
Equipment Rack Guidelines 57
Locating for Safety 57
Locating for Easy Maintenance 57
Locating for Proper Airflow 58
Installation Checklist 58
Creating a Site Log 59
Receiving the Cisco ASR 902 Router 60
Chassis-Lifting Guidelines 60
CHAPTER 3
Tools and Equipment 61
Unpacking and Verifying the Shipped Contents 62
Installing the Cisco ASR 902 Router 65
Prerequisites 65
Installing the Router in a Rack 65
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
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Contents
Installing the Chassis Brackets 66
Installing the Router Chassis in the Rack 67
Installing the Router Chassis in the Air Plenum 68
Attaching the Cable Guides 69
Installing the Chassis Ground Connection 71
Installing the Fan Tray 74
Installing the Dust Filter 75
Removing the Dust Filter 75
Dust Filter Maintenance 75
Removing and Replacing the Fan Tray 75
RSP Installation 77
Installing an RSP Module 78
Removing an RSP Module 79
Interface Module Installation 79
Installing an Interface Module 80
Removing an Interface Module 81
Hot-Swapping an Interface Module 81
Installing the Power Supply 82
Preventing Power Loss 83
Power Connection Guidelines 83
Guidelines for DC-Powered Systems 84
Guidelines for AC-Powered Systems 84
Installing a DC Power Supply 84
Installing a DC Power Supply Module 85
Installing DC Power Supply Unit (A900-PWR550-D) 85
Installing DC Power Supply Unit (A900-PWR550-D-E and A900-PWR1200-D) 88
Installing DC Power Supply Unit (A900-PWR550-D-E and
A900-PWR1200-D) 88
Activating a DC Power Supply 89
Removing and Replacing a DC Power Supply 90
Installing an AC power Supply 91
Installing an AC Power Supply Module 91
Recommended Power Cables 91
Activating an AC Power Supply 93
Removing and Replacing an AC Power Supply 93
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
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Contents
Installing Dust Caps 94
Connecting a Cisco ASR 902 Router to the Network 95
Connecting Console Cables 95
Connecting to the USB Serial Port Using Microsoft Windows 95
Connecting to the Console Port Using Mac OS X 98
Connecting to the Console Port Using Linux 98
Installing the Cisco USB Device Driver 99
Uninstalling the Cisco USB Device Driver 99
Connecting to the Auxiliary Port 100
Connecting a Management Ethernet Cable 101
Installing and Removing SFP and XFP Modules 101
Connecting a USB Flash Device 102
Removing a USB Flash Device 102
Connecting Timing Cables 102
Connecting a Cable to the BITS Interface 103
Connecting Cables to a GPS Interface 103
Connecting a Cable to the Input 10-MHz or 1-PPS Interface 103
Connecting a Cable to the Output 10-MHz or 1-PPS Interface 104
Connecting a Cable to the ToD Interface 104
Connecting a Cable to the GNSS Antenna Interface 104
Connecting Ethernet Cables 105
Connecting Cables to SFP Modules 106
Connecting T1/E1 Cables 106
Installing the Cable Connector 107
RJ45 Cable Pinouts 108
Connecting Cables to the Patch Panel 108
Recommended Patch Panel 109
Connecting Serial Cables 109
Connecting the Fan Tray Alarm Port 110
CHAPTER 4
Connecting a Cable to the Fan Tray Alarm Port 111
Connector and Cable Specifications 111
Cisco Router Initial Configuration 113
Checking Conditions Prior to System Startup 113
Powering Up the Cisco Router 114
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
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Contents
Verifying the Front Panel LEDs 116
Verifying the Hardware Configuration 116
Checking Hardware and Software Compatibility 116
Configuring the Cisco Router at Startup 116
Accessing the CLI Using the Console 117
Configuring Global Parameters 117
Checking the Running Configuration Settings 118
Saving the Running Configuration to NVRAM 119
Safely Powering Off the Cisco Router 119
CHAPTER 5
Troubleshooting 121
Pinouts 121
BITS Port Pinouts 121
GPS Port Pinouts 122
Time-of-Day Port Pinouts 123
Alarm Port Pinouts 124
T1/E1 Port Pinouts 125
Serial Interface Modules Pinouts 127
DB-9 Connector Pinouts 127
RJ-45 Connector Pinouts 128
Management Ethernet Port Pinouts 129
USB Console Port Pinouts 129
USB Flash or MEM Port Pinouts 130
Fiber-Optic Specifications 131
LED Summary 131
RSP LEDs 131
viii
ASR900-RSP LED 131
ASR900-RSP2 and ASR900-RSP3 LED Information 132
Interface Module LEDs 133
OC-3/OC-12 Interface Module LEDs 134
T1/E1 Interface Module LEDs 135
14-Port Serial Interface Module LEDs 135
4-Port C37.94 Interface Module LEDs 136
Power Supply LEDs 137
Fan Tray LEDs 139
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
Contents
Alarm Conditions 139
APPENDIX A
Site Log 141
Manufacturers of Equipment Used in Cisco ASR 902 Router 142
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
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Contents
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
x
Preface
This preface describes the revision history, audience, organization, and conventions of the Cisco ASR 902
and Cisco ASR 902U Router Hardware Installation Guide. It also lists sources for obtaining additional
information and technical assistance from Cisco Systems.
Document Revision History, page xi
•
Document Audience, page xii
•
Document Organization, page xii
•
Document Conventions, page xiii
•
Obtaining Documentation and Submitting a Service Request, page xiv
•
Document Revision History
The following table lists the major changes made to this document for each release.
Change SummaryDateRivision
—
—
—
—
—
July 2017
April 2016
March, 2016
January 6, 2015
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
Added information about the Cisco ASR 902U Aggregation
Services Router.
Added information on C37.94 serial interface module.November 2016
Added dust cap information. Added supported patch panel
information. Updated warning statements.
Updated A900-RSP3 and the supported interface modules.
Added blank deflector information. Added ambient temperature
for RSP3.
Updated safety statements. Replaced Cisco Software Advisor
information with Software Research information.
xi
Document Audience
Preface
Change SummaryDateRivision
OL-31440-02OL-31440-02
Document Audience
This guide is intended for users who are responsible for installing the Cisco router. It is intended for users
who may not be familiar with the initial configuration and troubleshooting tasks, the relationship among tasks,
or the Cisco IOS software commands necessary to perform particular tasks.
For information on general software features that are also available on other Cisco platforms, see the Cisco
IOS XE technology guide pertaining to that specific software feature.
Document Organization
This guide includes the following chapters and appendix:
Added information about the installation of air plenum and
the Cisco Microsoft Windows 7 USB driver, RSP-2 LED
behavior, and new interface modules supported. Updated the
description for Time-of-Day port pinouts.
Initial releaseFebruary 14, 2014OL-31440-01
DescriptionTitle
Chapter 1, Overview
Chapter 2, “Preparing for Installation, on page 39”
Chapter 3, “Installing the Cisco ASR 902 Router, on
page 65”
Chapter 4, “Cisco Router Initial Configuration, on
page 113”
Chapter 5, “Troubleshooting”
Appendix A, “Site Log”
This chapter provides an overview of the Cisco ASR
902 and ASR 902U Routers.
This chapter provides site preparation guidelines for
installing the Cisco ASR 902 and ASR 902U Routers.
This chapter describes the Cisco ASR 902 and ASR
902U Routers and how to install it.
This chapter describes how to start the Cisco ASR
902 and ASR 902U Routers and create an initial
system configuration.
This chapter provides LED and pinout information
for troubleshooting purposes.
This provides a site log for tracking the installation
and maintenance activities of the router.
xii
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
Preface
Document Conventions
This documentation uses the following conventions:
Document Conventions
DescriptionConvention
^ or Ctrl
string
Command syntax descriptions use the following conventions:
bold
italics
[x]
The ^ and Ctrl symbols represent the Control key.
For example, the key combination ^D or Ctrl-D
means hold down the Control key while you press
the D key. Keys are indicated in capital letters but are
not case sensitive.
A string is a nonquoted set of characters shown in
italics. For example, when setting an SNMP
community string to public, do not use quotation
marks around the string or the string will include the
quotation marks.
DescriptionConvention
Bold text indicates commands and keywords that you
enter exactly as shown.
Italic text indicates arguments for which you supply
values.
Square brackets enclose an optional element (keyword
or argument).
|
[x | y]
{x | y}
Nested sets of square brackets or braces indicate optional or required choices within optional or required
elements. For example:
[x {y | z}]
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
A vertical line indicates a choice within an optional
or required set of keywords or arguments.
Square brackets enclosing keywords or arguments
separated by a vertical line indicate an optional
choice.
Braces enclosing keywords or arguments separated
by a vertical line indicate a required choice.
DescriptionConvention
Braces and a vertical line within square brackets
indicate a required choice within an optional element.
xiii
Obtaining Documentation and Submitting a Service Request
Examples use the following conventions:
Preface
DescriptionConvention
Caution
screen
bold screen
< >
Examples of information displayed on the screen are
set in Courier font.
Examples of text that you must enter are set in Courier
bold font.
Angle brackets enclose text that is not printed to the
screen, such as passwords.
!
An exclamation point at the beginning of a line
indicates a comment line. (Exclamation points are
also displayed by the Cisco IOS software for certain
processes.)
[ ]
Square brackets enclose default responses to system
prompts.
The following conventions are used to attract the attention of the reader:
Means reader be careful . In this situation, you might do something that could result in equipment damage
or loss of data.
Note
Means reader take note . Notes contain helpful suggestions or references to materials that may not be
contained in this manual.
Obtaining Documentation and Submitting a Service Request
For information on obtaining documentation, submitting a service request, and gathering additional information,
see the monthly What’s New in Cisco Product Documentation , which also lists all new and revised Cisco
technical documentation, at:
http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html
Subscribe to the What’s New in Cisco Product Documentation as a Really Simple Syndication (RSS) feed
and set content to be delivered directly to your desktop using a reader application. The RSS feeds are a free
service and Cisco currently supports RSS version 2.0.
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
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Overview
CHAPTER 1
Note
The Cisco ASR 902 Router and the Cisco ASR 902U Router are collectively referred to as the Cisco ASR
902 Router in this document. Any differences between the routers are specifically called out.
The Cisco ASR 902 Router is a full-featured aggregation platform designed for cost-effective delivery of
converged mobile and business services. With shallow depth, low power consumption, and an extended
temperature range, this compact 2-rack unit (RU) router provides high service scale and flexible hardware
configuration.
The Cisco ASR 902 Router expands the Cisco service provider product portfolio by providing a rich and
scalable feature set of Layer 2 VPN (L2VPN) and Layer 3 VPN (L3VPN) services in a compact package.
It also supports a variety of software features, including Carrier Ethernet features, Timing over Packet, and
pseudowire.
The Cisco ASR 902 Router is positioned as a preaggregation router in IP Radio Access Network (RAN)
(Global System for Mobile Communications (GSM), Universal Mobile Telecommunications System (UMTS),
Image Maximum (iMAX), Code division multiple access (CDMA), and Long Term Evolution (LTE))
networks or an aggregation router in Carrier Ethernet networks.
Cisco ASR 902 Router Features, page 1
•
Interface Numbering, page 36
•
Regulatory Compliance, page 37
•
Cisco ASR 902 Router Features
The Cisco ASR 902 Router has the following hardware features:
2-RU modular chassis designed for installation in a 300-mm European Telecommunications Standards
•
Institute (ETSI) cabinet
Dedicated slots in the chassis that support the following:
•
Up to four interface modules
◦
One Route Switch Processor (RSP)
◦
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
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Cisco ASR 902 Router Features
Network frequency, phase, and time inputs and outputs for network interfaces (SyncE and TDM), BITS,
•
1 PPS or 10 MHz and Timing over Packet (IEEE 1588-2008)
Adjustable front and rear rail mounting locations
•
Front panel access to power supplies, fan tray, RSP, and interface modules
•
Online insertion and removal (OIR) of interface modules, power supplies, and fan tray
•
Discrete status LEDs on power supply, interface module, RSP, and fan tray units
•
Two alarm dry contact inputs (either normally open or normally closed)
•
Environmental-monitoring and environmental-reporting functions
•
LED indicators for critical, major, and minor alarms
•
Side-to-side forced air cooling
•
Up to two DC or two AC or a combination of AC and DC power supply units
◦
One fan tray
◦
Overview
Temperature range of -40 to 149 degrees F (-40 to 65 degrees C) with 550W DC power supply
•
Temperature range of 32 to 122 degrees F (-5 to 55 degrees C) with 550W AC power supply
•
The figure below illustrates the Cisco ASR 902 Router chassis design.
Figure 1: Cisco ASR 902 Router Chassis Design
ComponentLabel
Interface modules1
RSP unit2
Fan tray3
4
Redundant power units (two DC power units are
shown)
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
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Overview
System Specifications
The table below summarizes the system specifications and environmental requirements for the Cisco ASR
902 Router.
Table 1: Cisco ASR 902 Router System Specifications
System Specifications
Dimensions (Height x Width x Depth)
Weight
Operating Temperature
3.56 in. x17.44 in. x 10.565 in. (90.424 x 442.976 x
268.351 mm)
Note
This measurement includes handles from the
power supply, fan tray, and interface
modules installed in the chassis.
24.030 pounds (10.9 kg)
Note
This weight includes a power
supply.
The Cisco ASR 902 Router supports the following
temperature ranges with the DC power supply:
• –60 to 4000 meters: –40 to 104ºF (–40 to +
40ºC)
• –60 to 1800 meters: –40 to 149ºF (–40 to +
65ºC)
The Cisco ASR 902 Router supports the following
temperature ranges with the AC power supply:
• –60 to 4000 meters: 32 to 104ºF (0 to 40ºC)
• –60 to 1800 meters: 23 to 140ºF(–5 to 55ºC)
Nonoperating Temperature
Operating Altitude
Nonoperating Vibration
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
–40 to 185ºF (–40 to +85ºC) storage temperature
5 to 95% operating noncondensing relative humidityOperating Humidity
–60 to 1800m operating altitude for full operating
temperature range; up to 4000m at up to 40ºC.
4572m storage altitudeNonoperating Altitude
1.0 g from 1.0 to 150 HzVibration
30 G half sine 6 and 11 msShock
Random: 1.15 gRMS 3 to 200 Hz, 30 minutes/axis
Sine: 10 to 500 Hz @ 0.8 G peak/5 sweep cycles/axis
< 68.5 dBa @ 27ºCOperating Acoustics
3
Power Supply Features
Power Supply Features
The Cisco ASR 902 Router supports AC and DC power supplies. For more information about installing the
Cisco ASR 902 Router power supplies, see theInstalling the Power Supply section. The power sections provide
more information about the power supply:
Redundancy
The Cisco ASR 902 Router chassis includes a slot for optional redundant power supply. The redundant power
supply option provides a second power supply to ensure that power to the chassis continues uninterrupted if
one power supply fails or input power on one line fails. Redundancy is supported either with identical power
supplies or a combination of AC and DC power supply. The Cisco ASR 902 Router supports current sharing
between the power supplies.
A redundant power supply on the Cisco ASR 902 Router is recommended. Each power supply should be
connected to separate independent power sources to ensure that the router maintains power in the event of a
power interruption caused by an electrical failure, a wiring fault, or a tripped circuit breaker.
Overview
Caution
Dying Gasp
Note
Status LEDs
To comply with IEC 61850-3 (voltage interruptions), redundant power supplies with separately derived
power feeds are required.
The Cisco ASR 902 Router DC power supply supports the Dying Gasp feature, which allows the router to
provide an input power loss notification to the RSP so that the RSP can send appropriate SNMP traps or OAM
messages and update log files on the router. With the DC power supply, the router supports a minimum input
power loss detection time of 2 milliseconds (DC) and continued operation of at least 6 milliseconds (DC)
after the notification.
Continued DC power supply operation may vary for voltages other than +24/–48V.
Dying Gasp is not supported on the ASR 900 RSP3 module with the 1200 W DC power supply.Note
LEDs are also provided on each power supply to indicate the status of the input power and the health of the
power supply. For more information about the LEDs on the Cisco ASR 902 Router, see Troubleshooting.
DC Power Specifications
The Cisco ASR 902 Router uses a +24/-48 DC voltage power supply (with DC voltage tolerance from -19 to
-72 VDC).
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
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Overview
Power Supply Features
The power supply provides 550W output power for the system. The power supply is field replaceable, hot
swappable, and operates separately from the fan tray. The power supply contains a front panel with mounting
screws, a handle for insertion and removal, and two status LEDs. No ON/OFF switch is provided.
The DC PSU models supported on the router are:
• A900-PWR550-D—Uses an Euro-style three-position terminal block connector ( Figure 1-2 )
• A900-PWR550-D-E—Uses a T-shaped connector ( Figure 1-3 )
• A900-PWR1200-D—Provides 975 W output power for system 12 V power with the A902-FAN-E
module. As most of the system configurations using A900-RSP3C-200-S RSP modules require power
exceeding 550 W, we recommend using the A900-PWR1200-D power supply with A900-RSP3C-200-S
RSP modules. ( Figure 1-4 )
Figure 2: DC PSU Module (A900-PWR550-D) with Euro-Style Connector
ComponentLabel
Euro-style connector1
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
5
Power Supply Features
Figure 3: DC PSU (A900-PWR550-D-E) with T-Shaped Connector
Overview
ComponentLabel
T-shaped connector1
Table 2: DC Power Supply Specifications‘(550 W)
A900-PWR550-D, A900-PWR550-D-EPart numbers
Nominal input voltage specification
Input voltage range
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
6
+24 VDC/–48 VDC
–19.2 VDC to –72 VDC
Overview
Power Supply Features
+12 VDCOutput voltage
Wire gauge for DC input power connections
Figure 4: DC PSU Module (A900-PWR1200-D)
12 AWG minimum for –48/-60 VDC
8 AWG minimum for 24 VDC
Connector accepts 8 AWG maximum
550 WMaximum power output
ComponentLabel
T-shaped connector1
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
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Power Supply Features
Table 3: DC Power Supply Specifications (A900-PWR1200-D)
Overview
A900-PWR1200-DPart numbers
48V, GND, -48VNominal input voltage specification
-40.8 VDC to -72 VDCInput voltage range
+12 VDCOutput voltage
Wire gauge for DC input power connections
Maximum power output
AC Power Specifications
The AC PSU models supported on the router are:
• A900-PWR550-A—Provides 550 W power
• A900-PWR1200-D—Provides 1200 W power
The table below summarizes the input power specifications for the Cisco ASR 902 Router AC power supply
units.
Table 4: AC Power Supply Specifications (A900-PWR550-A)
8-10 AWG minimum for -48/-60 VDC.
Connector accepts 8 AWG maximum.
1200 W
975W with A902-FAN-E
A900-PWR550-APart number
115VAC/ 230VACInput power specification
85/264 VACInput voltage
85 VACMinimum input voltage
264 VACMaximum input voltage
12 VDCMinimum output voltage
12.4 VDCMaximum output voltage
550 WMaximum power output
• A900-PWR1200-A—Provides 975 W output power for system 12 V power with the A902-FAN-E
module. As most of the system configurations using A900-RSP3C-200-S RSP modules require power
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
8
Overview
Fan Tray
exceeding 550 W, we recommend using the A900-PWR1200-A power supply with A900-RSP3C-200-S
RSP modules. ( see the figure below )
Figure 5: Power Supply (A900-PWR1200-A)
Fan Tray
Table 5: AC Power Supply Specifications (A900-PWR1200-A)
Maximum power output
A900-PWR1200-APart number
115VAC/ 230VACInput power specification
85/264 VACInput voltage
85 VACMinimum input voltage
264 VACMaximum input voltage
12VMinimum output voltage
12.4VMaximum output voltage
1200 W
975W with A902-FAN-E
The fan tray has the following hardware features:
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
9
Fan Tray
It provides side-to-side forced air cooling
•
It provides redundant fans
•
It is field replaceable
•
It contains status LEDs
•
It contains two alarm ports with two external alarm inputs
•
The fan tray modules supported on the router are:
A902-FAN-E ( Figure 1-6 )
•
For more information about air flow guidelines, see the Air Flow Guidelines section . For instructions on how
to install the fan tray, see theInstalling the Fan Tray section. For a summary of the LEDs on the fan tray, see
the LED Summary section .
Fan Tray (A902-FAN-E)
Overview
The Cisco ASR 902 Router uses a modular fan tray that is separate from the power supply. The A902-FAN-E
is a fan tray containing eight (40 x 40 x 20 mm) fans and provides sufficient capacity to maintain operations
indefinitely in the event of an individual fan failure. It has a 8-mm fan dust filter that prevents dust from
entering the unit and avoids possible damage to the components. The fan tray is IEC60950-1 compliant.
Figure 6: Cisco ASR 902 Fan Tray with Dust Filter and Dummy Cover (A902-FAN-E)
ComponentLabelComponentLabel
Dummy cover4Label1
Pull tab5Alarm2
Cisco ASR 902 and ASR 902U Aggregation Services Router Hardware Installation Guide
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Overview
Air Plenum
ComponentLabelComponentLabel
Dust Filter (A902-FAN-F)
Air Plenum
Note
Dust filter3
The dust filter (as shown in the figure in Fan Tray (A902-FAN-E section) on the fan tray is a quadrafoam
45PPI filter that is 85 percent dust resistant. A dummy cover (A902-FAN-F-B) secures the dust filter in the
chassis. For installing the fan filter, see theInstalling the Dust Filter section.
Use the pull tab to easily access the filter.Note
Air plenum or air baffle assembly is used to change the air flow pattern of the unit. When the router is installed
with the plenum, the air flow pattern is changed from side-side to front-back. The front-back air flow pattern
provides a rack installation bay with a cool front zone and a hot rear zone. For information about installing
the plenum, see Installing the Router Chassis in the Air Plenum.
When the air plenum and the fan filter are installed in the chassis, the system’s maximum operating
temperature should be 55 degrees Celsius.
——
RSP Modules
To order an air plenum, contact the Sales and Marketing staff at GAW (www.GawTechnology.net) (see
Manufacturers of Equipment Used in Cisco ASR 902 Router).
The Cisco ASR 902 Router is designed to use a single RSP module to handle the data plane, network timing,
and control plane functionalities for the router. The RSP configuration allows you to use Cisco IOS software
to control chassis management, external management, and system status indications on the router.
RSP features include:
Loading software onto processor-based interface modules
•
Packet processing
•
Traffic management, including buffering, queuing, and scheduling, Ethernet MAC functions.
•
Network clocking functions, including phase and time-of-day for Building Integrated Timing Source
•
(BITS), 1 PPS, 10 MHz, and 1588 Precision Time Protocol (PTP) clock references.
Storage of software images, system configuration, Onboard Failure Logging (OBFL), syslog.
•
PTP packet processing, including IEEE 1588-2008 for recovering network timing (frequency, phase,
•
and time) from upstream PTP clocks for generating PTP frequency and phase references as inputs to
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RSP Modules
Supported RSPs
The Cisco ASR 902 Router supports the following RSPs:
Overview
the Synchronous Equipment Timing Source (SETS), and for distributing them to downstream PTP
clocks.
External management interfaces (RS232 console, management ENET, USB console, USB storage) and
•
system-status LED indicators.
• A900-RSP1A-55—Provides 2-GB of synchronous dynamic random access memory (SDRAM), 5 Mb
of Ternary content-addressable memory (TCAM), 3-Mb buffer table, 576-Mb forwarding memory, and
1,536-Mb packet buffer memory.
• A900-RSP1B-55—Provides 4-GB of SDRAM, 20 Mb of TCAM memory, 144-Mb buffer table, 1152-Mb
forwarding memory, and 1,536-Mb packet buffer memory.
• A900-RSP2A-128—Provides 4-GB double data rate type three (DDR3) memory and 128-Gbps aggregate
throughput.
• A900-RSP2A-64—Provides 4-GB double data rate type three (DDR3) memory and 64-Gbps aggregate
throughput.
• A900-RSP3C-200-S—Provides 8 GB DDR3 memory, 64MB flash memory, 20 Mb of TCAM memory,
8 GB of SDRAM, 200 Gbps throughput, and a USB port for mass storage on the faceplate.
The Cisco ASR 902U Router supports the following RSPs:
• A900U-RSP2A-128—Provides 4-GB double data rate type three (DDR3) memory and 128-Gbps
aggregate throughput.
• A900U-RSP2A-64—Provides 4-GB double data rate type three (DDR3) memory and 64-Gbps aggregate
throughput.
The SD memory card is not field replaceable. Do not try to remove or replace it.Caution
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Overview
RSP Modules
The supported RSPs have different memory capacities, but they have the same interfaces and functionalities.Note
Figure 7: A900-RSP1 Module
Figure 8: A900-RSP2A-128 Module
Figure 9: A900-RSP3C-200-S RSP Module
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RSP Modules
Overview
A900-RSP1-Supported Interface Modules
Table 6: A900-RSP1-Supported Interface Modules and Part Numbers
A900-RSP1A-55
A900-RSP1B-55
SFP Interface Module
(8x1GE)
RJ45 (Copper) Interface
Module (8x1GE)
Ethernet XFP Interface
Module (1x10GE)
Module
(OC-3) or 1-port
OC12/STM-4 (OC-12)
Interface Module
SlotPart NumberInterface ModuleRSP
AllA900-IMA8S8-port Gigabit Ethernet
A900-IMA8T8-port Gigabit Ethernet
A900-IMA1X1-port 10-Gigabit
A900-IMA16D16-port T1/E1 Interface
A900-IMA4OS4-port OC3/STM-1
A900-IMASER14A/S14-port Serial Interface
Module
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Overview
A900-RSP2-Supported Interface Modules
Table 7: A900-RSP2-Supported Interface Modules and Part Numbers
RSP Modules
SlotsPart NumbersInterface ModulesRSP
A900-RSP2A-128
A900U-RSP2A-128
SFP Interface Module
(8x1GE)
RJ45 (Copper) Interface
Module (8x1GE)
Ethernet XFP Interface
Module (1x10GE)
Module
(OC-3) or 1-port
OC12/STM-4 (OC-12)
Interface Module
SFP Combo IM—8-port
Gigabit Ethernet (8x1GE)
+
1-port 10-Gigabit
Ethernet (1x10GE)
AllA900-IMA8S8-port Gigabit Ethernet
A900-IMA8T8-port Gigabit Ethernet
A900-IMA1X1-port 10-Gigabit
A900-IMA16D16-port T1/E1 Interface
A900-IMA4OS4-port OC3/STM-1
A900-IMA8S1Z
A900-IMA8T1ZCopper Combo
IM—8-port Gigabit
Ethernet (8x1GE)
+ 1-port 10-Gigabit
Ethernet Interface Module
(1x10GE)
A900-IMA2Z2-port 10 Gigabit Ethernet
Interface Module
(2x10GE)
A900-IMASER14A/S14-port Serial Interface
Module
A900-IMA4C37944-port C37.94 Interface
Module
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RSP Modules
Overview
SlotsPart NumbersInterface ModulesRSP
A900-RSP2A-64
A900U-RSP2A-64
0-2A900-IMA1X1-port 10 Gigabit Ethernet
XFP Interface Module
(1x10GE)
A900-IMA2Z2-port 10 Gigabit Ethernet
Interface Module
(2x10GE)
A900-IMA4OS4-port OC3/STM-1
(OC-3) or 1-port
OC12/STM-4
(OC-12) Interface Module
0, 2 and 3A900-IMA8S8-port Gigabit Ethernet
SFP Interface Module
(8x1GE)
A900-IMA8T8-port Gigabit Ethernet
RJ45 (Copper) Interface
Module (8x1GE)
A900-IMA16D16-port T1/E1 Interface
Module
Module
Module
Module
Module
Module
A900-IMA32D32-port T1/E1 Interface
A900-IMA8D8-port T1/E1 Interface
A900-IMA6EM6-port E & M Interface
A900-IMASER14A/S14-port Serial Interface
A900-IMA4C37944-port C37.94 Interface
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