Cisco ASR 901 10G Series Aggregation
Services Router Hardware Installation
Guide
November, 2014
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Text Part Number: OL-28105-02
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relationship between Cisco and any other company. (1110R)
Cisco ASR 901 10G Series Aggregation Services Router Hardware Installation Guide
Obtaining Documentation, Obtaining Support, and Security Guidelinesx
1Introduction1-1
Hardware Description1-1
Cisco ASR 901 10G Router—Front View of TDM Version1-2
Cisco ASR 901 10G Router—Front View of Ethernet Version1-3
Cisco ASR 901 10G Router—Rear View1-4
LEDs1-5
Power Supply1-5
Safety Precautions1-5
Environmental Monitoring Temperature Sensor1-7
System Specifications1-7
Router Interface Numbering1-7
Cisco ASR 901 10G Router1-8
Regulatory Compliance1-9
2Preparing to Install the Router2-1
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Safety Guidelines2-1
Safety with Equipment2-1
Safety with Electricity2-2
Preventing Electrostatic Discharge Damage2-3
Prerequisites2-4
Site Planning2-4
Power Supply Considerations2-4
Cisco ASR 901 10G Series Aggregation Services Router Hardware Installation Guide
iii
Contents
Site Environment2-4
Air Flow Guidelines2-5
Method of Procedure2-5
Unpacking and Checking the Contents of your Shipment2-6
Required Tools and Equipment2-6
Installation Checklist2-7
Creating a Site Log2-8
Console Port Considerations2-8
Console Port Connections2-8
CHAPTER
3Installing the Cisco ASR 901 10G Router3-1
Network Modules3-1
Mounting the Cisco ASR 901 10G Router3-2
Rack-Mounting Configuration Guidelines3-2
Attaching Brackets to the Router3-3
Mounting the Cisco ASR 901 10G Router in a Rack3-7
Wall-Mounting3-7
Attaching Brackets for Wall-Mounting3-8
Mounting the Router on a Wall3-9
Connecting the Chassis Ground and Power3-10
Grounding the Cisco ASR 901 10G Router3-10
Power Connection Compliance3-12
Wiring the DC-Input Power Source3-12
Installing the DC Power Cord Retainer3-13
Installing the AC Power Cord Retainer3-15
Console Port3-20
Connecting the Network Cables3-21
Connecting Gigabit Ethernet Interface Cables3-21
Connecting T1 and E1 Interface Cables3-21
Connecting SFP Cables3-22
Connecting Cables to the BITS Interface3-22
Connecting GPS Cables3-22
Connecting to Alarm Port3-23
Cisco ASR 901 10G Series Aggregation Services Router Hardware Installation Guide
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Connecting to the Management Ethernet Port3-23
Dressing Router Cables3-23
Powering on the Router3-24
Checklist for Power on3-24
Interpreting Front-Panel LEDs3-24
Power-On Procedure3-24
Formatting Procedures for Flash Memory3-25
Formatting Flash Memory as a DOS File System3-25
File and Directory Procedures3-25
Copying Files3-25
Displaying Contents of the Flash Memory3-26
Deleting Files from the Flash Memory3-26
Displaying File Content3-27
Enter a Directory and Determine the Current Directory3-27
What to Do After Installing the Hardware3-28
Contents
APPENDIX
APPENDIX
ATroubleshootingA-1
Problem SolvingA-1
Troubleshooting the Power and Cooling SystemsA-2
Environmental Reporting FeaturesA-2
Troubleshooting Cables and ConnectionsA-3
SFP and SFP+ Port Pinouts and Cable SpecificationsB-2
T1/E1 Port PinoutsB-2
Console Port Signals and PinoutsB-3
Console Port Signals and PinoutsB-4
Identifying a Rollover CableB-5
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BITS Port PinoutsB-6
Time of Day PinoutsB-6
GPS Port PinoutsB-7
Cisco ASR 901 10G Series Aggregation Services Router Hardware Installation Guide
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Contents
Alarm Port PinoutsB-8
Management Ethernet Port PinoutsB-8
APPENDIX
I
NDEX
CSite LogC-1
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Cisco ASR 901 10G Series Aggregation Services Router Hardware Installation Guide
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About This Guide
This section describes the objectives, audience, organization, and conventions of this hardware
installation guide.
NoteUse this document with the documents listed in the “Related Documentation” section on
page 3.
This section contains the following topics:
• Document Revision History, page 1
• Objectives, page 2
• Audience, page 2
• Organization, page 2
• Conventions, page 2
• Safety Warnings, page 3
• Related Documentation, page 3
• Obtaining Documentation, Obtaining Support, and Security Guidelines, page 4
Document Revision History
The Document Revision History table below records technical changes to this guide. The table shows
the document revision number for the change, the date of the change, and a brief summary of the change.
Not all Cisco documents use a Document Revision History table.
RevisionDateChange Summary
OL-28105-01October 2012Initial version of the document.
OL-28105-02March 2014Added information on new variants of the router.
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Cisco ASR 901 10G Series Aggregation Services Router Hardware Installation Guide
1
Objectives
Audience
This guide explains how to install, maintain, and troubleshoot your router hardware.
It provides the minimum software configuration information. For the detailed configuration procedures,
see the Cisco IOS configuration guide and command reference publications. For more information, see
the “Obtaining Documentation, Obtaining Support, and Security Guidelines” section on page 4.
Warranty, service, and support information is in the Cisco Information Packet that is shipped with your
router.
This guide is designed for personnel who install, configure, and maintain the router. These persons
should be familiar with electronic circuitry and wiring practices and be experienced electronic or
electromechanical technicians. This guide identifies certain procedures that should be performed only
by trained and qualified personnel.
Organization
ChapterTitleDescription
Chapter 1IntroductionDescribes the hardware features and specifications of
Chapter 2Preparing to Install the Router Describes safety recommendations, site requirements,
Chapter 3Installing the
Appendix ATroubleshootingDescribes how to isolate problems, read LEDs,
Appendix BCable SpecificationsProvides cable specifications to use if you plan to build
Appendix CSite LogProvides example site log.
Conventions
CiscoASR90110G Router
the routers.
network connection considerations, required tools and
equipment, and provides the installation checklist.
Includes router installation information, and shows
how to connect the router console port.
interpret error and status messages, and recover
software images.
your own cables.
NoteMeans reader take note.
TipMeans the following information will help you solve a problem.
Cisco ASR 901 10G Series Aggregation Services Router Hardware Installation Guide
2
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CautionMeans reader be careful. In this situation, you might perform an action that could result in equipment
damage or loss of data.
Safety Warnings
Safety warnings appear throughout this publication in procedures that, if performed incorrectly, might
harm you. A warning symbol precedes each warning statement. The safety warnings provide safety
guidelines that you should follow when working with any equipment that connects to electrical power
or telephone wiring. Warnings are translated into several languages. (For information about compliance
guidelines and translated safety warnings, refer to Cisco Regulatory Compliance and Safety Information
for the Cisco ASR 901 Router.
Warning
IMPORTANT SAFETY INSTRUCTIONS
This warning symbol means danger. You are in a situation that could cause bodily injury. Before you
work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar
with standard practices for preventing accidents. Use the statement number provided at the end of
each warning to locate its translation in the translated safety warnings that accompanied this
device.
SAVE THESE INSTRUCTIONS
Statement 1071
Related Documentation
For additional information, refer to the following documents:
• Cisco Regulatory Compliance and Safety Information for Cisco ASR 901 Series Aggregation
Services Router
• Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
• Cisco ASR 901 Series Aggregation Services Router Command Reference
• Release Notes for Cisco ASR 901 Series Aggregation Services Router
To access the related documentation on Cisco.com, go to:
Cisco ASR 901 10G Series Aggregation Services Router Hardware Installation Guide
3
Obtaining Documentation, Obtaining Support, and Security
Guidelines
For information on obtaining documentation, obtaining support, providing documentation feedback,
security guidelines, and also recommended aliases and general Cisco documents, see the monthly
What’s New in Cisco Product Documentation, which also lists all new and revised Cisco technical
documentation, at:
Cisco ASR 901 10G Series Aggregation Services Router Hardware Installation Guide
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1
Introduction
The Cisco ASR 901 10G router is a cell site gateway platform specifically designed to provide transport
for both legacy TDM and Ethernet traffic over a single converged network. The Cisco ASR 901 10G
router is used at the cell site as a part of a 2G, 3G, or 4G radio access network (RAN) traffic. This router
is a small form factor, fixed, low cost platform/solution that seeks to complement the current Cisco
portfolio in the IP-RAN segment.
This chapter includes the following sections:
• Hardware Description, page 1-1
• Power Supply, page 1-5
• System Specifications, page 1-9
• Router Interface Numbering, page 1-9
• Regulatory Compliance, page 1-11
Hardware Description
NoteThis equipment is suitable for installation in Network Telecommunications Facilities and locations
where the NEC applies. The equipment is suitable for installation as part of the Common Bonding
Network (CBN).
Contained in a standard shelf-rack enclosure, the Cisco ASR 901 10G router weighs approximately 10
pounds (4 kg). It measures 1.7 inches high x 17.5 inches wide x 9.1 inches deep (43.2 x 444.5 x 231 mm),
1RU. These dimensions do not include the rack-mount brackets.
You can mount the router in a standard (ETSI) 19-inch (48.3 cm) equipment rack or 600mm ETSI rack
or a 23-inch ETSI rack.
The Cisco ASR 901 10G router includes the following hardware features:
• Eight T1/E1 RJ45 ports.
• Four ports of 100/1000 Copper Ethernet including auto-MDIX (RJ45 connector)
• Four ports of SFP only
• Two ports of 10G SFP+ only
• Four combo ports (SFP/Copper)
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1-1
Hardware Description
Chapter 1 Introduction
• Dual feed supply with redundant DC inputs plus built in redundant power supply (RPS) or single
AC input.
• Three fans placed in the chassis
• Chassis: I RU, 10 inch depth (Cisco ASR 901 10G router)
• Operating temperature range is -40 to +149°F (-40°C to +65°C).
• Airflow is left to right
• Four solid state alarm inputs
• A single built-in 1Gigabit (128 MB) Flash memory. For A901-6CZ-FS-D and A901-6CZ-FS-A
PIDs, the memory requirement is 256MB.
• Two management ports: RS-232 serial console and 10/100 Base-T Ethernet ports
• One BITS clock port (RJ45) and 1 ToD port (RJ45)
• Two miniature coaxial connectors for 10Mhz and 1PPS timing (input or output). You can use these
interfaces with an external GPS device to send or receive clocking from the router.
• A single USB port
• Two LEDs for each T1/E1 port
–
C—indicates out of service or not configured, carrier condition, and loop condition
–
AL—no alarm, or alarm condition
• Two LEDs for each Ethernet port
–
L—indicates activity, lack of activity, or no link
–
S—indicates speed (100 or 1000) or off
• One System LED:
–
Solid Green—System Healthy (normal operation)
–
Solid RED—System Faulty
Cisco ASR 901 10G Router—Front View of TDM Version
The front panel of the Cisco ASR 901 10G (TDM version) router has the following components:
• Eight RJ-45 connectors for copper Ethernet ports, labeled “GE” (positions 0, 1, 2, 3, 4, 5, 6, and 7)
• Eight SFP connectors for optical GE ports (positions 4, 5, 6, 7, 8, 9, 10, and 11)
• Two SFP+ connectors for optical 10 G ports (positions 0 and 1)
• Two miniature coaxial connectors for 10MHZ and 1PPS timing
• A single RJ-45 connector for console, labeled “CONSOLE”
• A single RJ-45 connector for management port, labeled “MGMNT”
• A single RJ-45 connector for the BITS interface, labeled “BITS”
1-2
• A single RJ-45 connector for the ToD interface, labeled “TOD”
• A single RJ-45 connector for alarm.
• Dual feed supply with redundant DC inputs or single AC input.
• The following LEDs
Cisco ASR 901 10G Series Aggregation Services Router Hardware Installation Guide
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Chapter 1 Introduction
Hardware Description
–
T1/E1 ports
–
Ethernet ports
–
SFP ports
–
Chassis: Single LED for multiple conditions
Figure 1-1 shows the front view of the Cisco ASR 901 10G router (TDM version) with each interface
module.
Figure 1-1Cisco ASR 90110G Router—Front View of TDM Version
14
13
11
12
10
7
5
9
8
6
4
3
2
1
1Power LED8BITS port
210G SFP+9MINI-coax connector (10MHZ)
38 SFP ports10 MINI-coax connector (1PPS)
48 GE port 11 USB port
5Management port12 Alarm
6Console port13 8 T1/E1 ports
7To D port14 Power connector (DC or AC)
334524
Cisco ASR 901 10G Router—Front View of Ethernet Version
The front panel of the Cisco ASR 901 10G (Ethernet version) router has the following components:
• Two SFP+ connectors for optical 10G ports (positions 0 and 1)
• Eight SFP connectors for optical GE ports (positions 4, 5, 6, 7, 8, 9, 10, and 11)
• Eight RJ-45 connectors for copper Ethernet ports, labeled “GE” (positions 0, 1, 2, 3, 4, 5, 6, and 7)
• A single RJ-45 connector for management port, labeled “MGMT”
• A single RJ-45 connector for console, labeled “CONSOLE”
• A single RJ-45 jack for the BITS interface, labeled “BITS”
• A single RJ-45 jack for the ToD interface, labeled “ToD”
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1-3
Hardware Description
Chapter 1 Introduction
• Two miniature coaxial connectors for 10MHZ and 1PPS timing
• A single alarm port
• A single USB port (for AC version)
• Dual feed supply with redundant DC inputs or single AC input.
The following LEDs
–
Ethernet ports
–
SFP ports
–
Chassis: Single LED for multiple conditions
Figure 1-2 shows the front view of the Cisco ASR 901 10G router (Ethernet version) with each interface
module.
Figure 1-2Cisco ASR 901 Router—Front View of Ethernet Version
11
7
5
13
12
10
9
8
6
4
3
2
1
1Power LED8BITS port
210G SFP+ ports9MINI-coax connector (10MHZ)
38 SFP ports10 MINI-coax connector (1PPS)
48 GE ports11 USB port
5Management port12 Alarm
6Console port13 Power connector (AC or DC)
7To D port14 —
334571
Cisco ASR 901 10G Router—Rear View
Figure 1-3 shows the rear view of the Cisco ASR 901 10G router, including the orientation of the
following components:
• Three blowing fans
• Mounting point for the 2-hole lug. For more information, see the Connecting the Chassis Ground
and Power, page 3-10
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Chapter 1 Introduction
2
1
334636
NoteThe grounding architecture of this product is DC-isolated (DC-I) for DC-powered products.
Power Supply
Figure 1-3Cisco ASR 90110G Router—Rear View
1Fan2Grounding Point Lug
DC-powered products have a nominal operating DC voltage of 48 VDC. Minimal steady state DC
operating voltage is 19.2 VDC.
LEDs
The Cisco ASR 901 10G chassis and interface modules contain LEDs to assist in troubleshooting. For
more detailed description of the LEDs, see the “Reading the LEDs, page A-4.
Power Supply
The Cisco ASR 901 10G router is equipped with an internal -24/-60 Volts Direct Current (VDC). The
router is provided with a single AC power supply or DC (1+1 Redundant) power supply. The power input
connectors are located at the front left-side side of the router. The DC power connector has the standard
A and B feeds for DC redundancy. The DC power supply is compatible with the range of DC input
voltages specifically available at cell sites.
See Table 1 -1 for the DC power supply specifications and Tab le 1 -2 for the AC power supply
specifications.
Safety Precautions
Observe the following general safety precautions and recommendations in planning the source power
requirements for the Cisco ASR 901 10G router (for additional safety information, see the “Safety
Guidelines” section on page 2-1:
• Check the power at your site before router installation (and periodically after installation) to ensure
clean power (free of spikes and noise) is being received.
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• Always disconnect the power source and unplug the power cable before working on the router.
Cisco ASR 901 10G Series Aggregation Services Router Hardware Installation Guide
1-5
Power Supply
Chapter 1 Introduction
• Install proper grounding for the site to avoid damage from lightning and power surges.
Warning
Warning
Warning
Warning
Warning
To avoid electric shock, do not connect safety extra-low voltage (SELV) circuits to telephone-network
voltage (TNV) circuits. LAN ports contain SELV circuits, and WAN ports contain TNV circuits. Some
LAN and WAN ports both use RJ-45 connectors. Use caution when connecting cables.
Statement 1021
There is the danger of explosion if the battery is replaced incorrectly. Replace the battery only with
the same or equivalent type recommended by the manufacturer. Dispose of used batteries according
to the manufacturer’s instructions.
Statement 1015
This unit might have more than one power supply connection. All connections must be removed to
de-energize the unit.
Statement 1028
The intrabuilding ports of the equipment or subassembly MUST NOT be metallically connected to
interfaces that connect to the OSP or its wiring. These interfaces are designed for use only as
intrabuilding interfaces (Type 2 or Type 4 ports as described in GR-1089-CORE), and require isolation
from the exposed OSP cabling. The addition of primary protectors is not sufficient protection in order
to connect these interfaces metallically to OSP wiring.
To comply with the Telcordia GR-1089 NEBS standard for electromagnetic compatibility and safety,
connect the (Management Ethernet) ports only to intra-building or unexposed wiring or cable. The
intrabuilding cable must be shielded and the shield must be grounded at both ends. The intra-building
port(s) of the equipment or subassembly must not be metallically connected to interfaces that connect
to the OSP or its wiring. These interfaces are designed for use as intra-building interfaces only (Type
2 or Type 4 ports as described in GR-1089-CORE) and require isolation from the exposed OSP cabling.
The addition of Primary Protectors is not sufficient protection in order to connect these interfaces
metallically to OSP wiring.
1-6
Table 1 -1 lists the DC power supply specifications for the Cisco ASR 901 10G router.
Table 1-1Cisco ASR 901 10G Router DC Power Supply Specifications
SpecificationValue
DC power supply input voltage-24/-60 VDC
Maximum input current4A
Wire gauge for DC input power connections16 AWG
Power dissipation
• A901-6CZ-F-D: 58W
• A901-6CZ-FS-D: 59W
• A901-6CZ-FT-D: 67W
Table 1 -2 lists the AC power supply specifications for the Cisco ASR 901 10G router.
Cisco ASR 901 10G Series Aggregation Services Router Hardware Installation Guide
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Chapter 1 Introduction
Power Supply
Warning
This product requires surge protection as part of the building installation. To comply with the
Telcordia GR-1089 NEBS standard for electromagnetic compatibility and safety, an external surge
protective device (SPD) is required at the AC power service equipment.
Table 1-2Cisco ASR 901 10G Router AC Power Supply Specifications
SpecificationValue
Power supply115 to 230 V
Power dissipation
• A901-6CZ-F-A: 57W
• A901-6CZ-FS-A: 58W
• A901-6CZ-FT-A: 65W
Input voltage rating100V-240V, 1A-0.5A, 50-60Hz
Operating voltage rating85~264 VAC at 47/63Hz
AC current rating1A at 100 VAC and 60 Hz.
The Cisco ASR 901 10G router uses two 3-pin connectors (part number 27-1892-01) for DC input to the
power supply. The terminal block is part of the accessory kit (part number 53-3438-01), which ships with
the Cisco ASR 901 10G router.
The Cisco ASR 901 10G router uses a single 3-pin connector (29-1609-01) for AC input to the power
supply.
The ground wire connects to a 2-hole lug, which connects to the corresponding mounting point. With the
connector installed in the chassis, the pins numbered from left to right are 1, 3, and 2, respectively.
Figure 1-4 shows the pinout configurations for the connector, based on the power source.
NoteYou can use connector A or B or both.
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Cisco ASR 901 10G Series Aggregation Services Router Hardware Installation Guide
The Cisco ASR 901 10G router has a temperature sensor to detect overtemperature conditions inside the
chassis. The overtemperature detection trips at 70°C. This condition is reported to the processor as an
interrupt, where the software generates the appropriate alarms. If the router reaches a temperature of
90°C, the power supply cycles itself to prevent the router from exceeding the maximum temperature
while being powered up.
NoteAuxiliary port is not supported.
1-8
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Chapter 1 Introduction
System Specifications
Table 1 -4 lists the system specifications for the CiscoASR90110G router.
Table 1-4Cisco ASR 901 10G Router System Specifications
Description Specification
Dimensions (H x W x D)1.7 x 17.5 x 9.1 in. (43.2 x 444.5 x 231 mm) 1 RU (rack unit) in a
Weight
Console portRJ-45 connector
Operating TemperatureOperating temperature range is -40°C to +65°C (-40 to +149°F)
Non-Operational TemperatureTemperature: -40°C to +70°C (-40 to +158°F)
Operating Humidity5% to 85%, noncondensing RH, ±5%
Non-Operational HumidityUpto 93% RH
Operating Altitude13,000 ft. (4000 m) with maximum 104°F (40°C) ambient
Operating Vibration0.15 G, 10 to 500 Hz/100 minutes per axis
Non-Operational Vibration0.8 G, 10 to 500 Hz/30 minutes per axis
Operating Acoustics61 dBA with 19 cfm fan
Air FlowLeft to right, 57 cfm
System Specifications
19-inch (48.3 cm) rack
• A901-6CZ-FT-D: 8.15 lb (3.7 kg)
• A901-6CZ-F-D: 7.93 lb (3.6 kg)
• A901-6CZ-FS-D: 7.93 lb (3.6 kg)
• A901-6CZ-FT-A: 8.15 lb (3.7 kg)
• A901-6CZ-F-A: 7.93 lb (3.6 kg)
• A901-6CZ-FS-A: 7.93 lb (3.6 kg)
temperature
Router Interface Numbering
The following section explains router interface numbering and interface labels for the Cisco ASR 901
10G router.
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1-9
Router Interface Numbering
Cisco ASR 901 10G Router
Each network interface on a Cisco ASR 901 10G 10G router is identified by a slot number and a port
number, explained in this sequence:
• Logical slot numbers starts from 0 for all built-in interfaces. The numbering format is Interface
type Slot number/Interface number.
type.
• Logical interface numbering for 10G SFP+ ports runs from 0/0 through 0/1. Ports are numbered
bottom to top.
• Logical interface numbering for T1/E1 ports on the TDM interface module runs from 0/0 through
0/7. Ports are numbered bottom to top, left to right.
• Logical interface numbering for the built-in ethernet ports runs from g0/0 through g0/3, the combo
ports run from g0/4 to g0/7 and the SFP ports run from g0/8 through g0/11. The GE ports are
numbered bottom to top, left to right.
Figure 1-5Cisco ASR 90110G Router Port Numbers
Chapter 1 Introduction
Interface (port) numbers begin at logical 0 for each interface
1
2
3
13
12
10
11
9
8
7
6
334515
5
4
1To D port7BITS port
2Management port8MINI-Coax Connector (1PPS)
38 GE ports 9MINI-Coax Connector (10MHZ)
1-10
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Chapter 1 Introduction
Regulatory Compliance
4SFP+ port 10 USB port
58 SFP ports11 Alarm cable
6Console port 12 8 T1/E1 ports
Table 1-5Cisco ASR 901 10G Router Interface Labels
InterfaceNumberLocationLabel
SFP connector for optical 10 GE ports2Onboard10G SFP
SFP connector for optical GE ports8OnboardSFP
RJ45 jacks for copper ethernet ports8OnboardGE
RJ45 connector for console1OnboardCONSOLE
RJ45 connector for management port1OnboardMGMNT
RJ45 jack for BITS interface1OnboardBITS
RJ45 jack for Time-of-Day interface1OnboardTOD
1PPS mini-coax timing connector1Onboard1PPS
10Mhz mini-coax timing connector1Onboard10MHZ
RJ48 jacks for T1/E1 ports8T1/E1 interface module T1/E1
RJ48 jacks for Alarm Cable1OnboardAlarm
Power connector 1OnboardPower Connector
Regulatory Compliance
For regulatory compliance and safety information, see Cisco Regulatory Compliance and Safety
Information for Cisco ASR 901 Series Aggregation Services Router.
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Regulatory Compliance
Chapter 1 Introduction
1-12
Cisco ASR 901 10G Series Aggregation Services Router Hardware Installation Guide
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Preparing to Install the Router
This chapter describes site requirements and equipment used to install the Cisco ASR 901 10G router.
It includes the following sections:
• Safety Guidelines, page 2-1
• Prerequisites, page 2-4
• Site Planning, page 2-4
• Console Port Considerations, page 2-8
Safety Guidelines
Before you begin installing the Cisco ASR 901 10G router, review the safety guidelines in Safety
Precautions, page 1-5, and the Rack-Mounting Configuration Guidelines, page 3-2 to avoid injuries to
yourself, or damage to the equipment.
CHA P T ER
2
Additionally, before replacing, configuring, or maintaining the Cisco ASR 901 10G router, review the
safety warnings listed in the document Cisco Regulatory Compliance and Safety Information for Cisco
ASR 901 Series Aggregation Services Router.
Safety with Equipment
The following guidelines help ensure your safety and equipment’s protection. This list does not include
all the potentially hazardous situations, so be alert.
Warning
Before connecting the system to the power source, read the installation instructions.
• Before moving the system, always disconnect all the power cords and interface cables.
• Never assume that power is disconnected from a circuit; always check.
• Before and after installation, keep the chassis area clean and dust-free.
• Keep tools and assembly components away from walk areas to avoid tripping over them.
• Do not work alone in potentially hazardous conditions.
• Do not perform any action that creates a potential hazard to people or makes the equipment unsafe.
• Do not wear loose clothing that may get caught in the chassis.
Statement 1004
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Safety Guidelines
• When working under conditions hazardous to your eyes, wear safety glasses.
Safety with Electricity
Chapter 2 Preparing to Install the Router
Warning
Warning
Warning
Warning
Warning
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Statement 1003
This unit is intended for installation in restricted access areas. A restricted access area can be
accessed only through the use of a special tool, lock and key, or other means of security.
Statement 1017
To avoid electric shock, do not connect safety extra-low voltage (SELV) circuits to telephone-network
voltage (TNV) circuits. LAN ports contain SELV circuits, and WAN ports contain TNV circuits. Some
LAN and WAN ports both use RJ-45 connectors.
Before working on equipment that is connected to power lines, remove jewelry (including rings,
necklaces, and watches). Metal objects will heat up when connected to power and ground and can
cause serious burns or weld the metal object to the terminals.
Before working on a chassis or working near power supplies, unplug the power cord on AC units;
disconnect the power at the circuit breaker on DC units.
Statement 1021
Statement 43
Statement 12
2-2
Warning
Warning
Warning
During periods of lightning activity, do not work on the system or connect or disconnect cables.
Statement 1001
There is the danger of explosion if the battery is replaced incorrectly. Replace the battery only with
the same or equivalent type recommended by the manufacturer. Dispose of used batteries according
to the manufacturer’s instructions.
This unit might have more than one power supply connection. All connections must be removed to
de-energize the unit.
Statement 1028
Statement 1015
When working on electrical equipment, follow these guidelines:
• Locate the room’s emergency power switch. If an electrical accident occurs, you can quickly switch
off the power.
• Before working on the system, switch off the DC main circuit breaker and disconnect the power
terminal block cable.
• Disconnect all power before performing the following:
Cisco ASR 901 10G Series Aggregation Services Router Hardware Installation Guide
OL-28105-02
Chapter 2 Preparing to Install the Router
–
Working on or near power supplies.
–
Installing or removing a router chassis, or network processor module.
–
Performing most hardware upgrades.
• Never install equipment that appears damaged.
• Carefully examine your work area for possible hazards, such as wet floors, ungrounded power
extension cables, and missing safety grounds.
• Never assume that power is disconnected from a circuit; always check.
• Never perform any action that creates a potential hazard to people or makes the equipment unsafe.
• If an electrical accident occurs, proceed as follows:
–
Use caution, and do not become a victim yourself.
–
Switch off power to the router.
–
If possible, send another person to get medical aid. Otherwise, determine the condition of the
victim, and then call for help.
–
Determine whether the person needs rescue breathing or external cardiac compressions; then
take appropriate action.
In addition, use the following guidelines when working with any equipment that is disconnected from a
power source, but still connected to telephone wiring or network cabling:
• Never install telephone wiring during a lightning storm.
Safety Guidelines
• Never install telephone jacks in wet locations unless the jack is specifically designed for it.
• Never touch un-insulated telephone wires or terminals unless the telephone line is disconnected at
the network interface.
• When installing or modifying telephone lines, use caution.
Preventing Electrostatic Discharge Damage
Electrostatic Discharge (ESD) can damage equipment and impair electrical circuitry. ESD can occur
when electronic printed circuit cards are improperly handled, and can cause complete or intermittent
failures. When removing and replacing modules, always follow ESD prevention procedures:
• Ensure that the router chassis is electrically connected to earth ground.
• Wear an ESD-preventive wrist strap, ensuring that it makes good skin contact. To channel unwanted
ESD voltages safely to ground, connect the clip to an unpainted surface of the chassis frame. To
guard against ESD damage and shocks, the wrist strap and cord must operate effectively.
• If no wrist strap is available, ground yourself by touching a metal part of the chassis.
CautionFor the safety of your equipment, periodically check the resistance value of the antistatic wrist strap. It
should be between 1 and 10 Mohm.
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