Cisco ASR 903 User manual

Installing the Cisco ASR 903 Router as a Satellite
Shelf
The chapter describes how to install the Cisco ASR 903 Router as a satellite shelf, and how to connect it to
networks and external devices.
•Safety Guidelines, page 1
•Site Planning, page 9
•Receiving the Cisco ASR 903 Router, page 19
•Installing the Router in a Rack, page 23
•Installing the Chassis Ground Connection, page 28
•Installing the Chassis Ground, page 30
•Installing the Fan Tray, page 31
•Installing and Removing an RSP Module, page 34
•Installing and Removing an Interface Module, page 37
•Installing the Power Supply, page 39
•Connecting the Cisco ASR 903 Router to the Network, page 52
Safety Guidelines
Before you begin the installation of the Cisco ASR 903 Router as a satellite shelf, review the safety guidelines
in this chapter to avoid injuring yourself or damaging the equipment.
In addition, before replacing, configuring, or maintaining the Cisco ASR 903 Router as a satellite shelf, review
the safety warnings listed in Regulatory Compliance and Safety Information for the Cisco ASR 903 Router
.
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Standard Warning Statements
To see translations of the warnings that appear in this publication, see the Regulatory Compliance and Safety
Information document that accompanied this device.
To prevent bodily injury when mounting or servicing this unit in a rack, you must take special precautions
to ensure that the system remains stable. The following guidelines are provided to ensure your safety:This
unit should be mounted at the bottom of the rack if it is the only unit in the rack.When mounting this unit
in a partially filled rack, load the rack from the bottom to the top with the heaviest component at the bottom
of the rack.When mounting this unit in a partially filled rack, load the rack from the bottom to the top with
the heaviest component at the bottom of the rack.If the rack is provided with stabilizing devices, install
the stabilizers before mounting or servicing the unit in the rack. Statement 1006
Warning
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
Warning
Ultimate disposal of this product should be handled according to all national laws and regulations. Statement
1040
Warning
To prevent the system from overheating, do not operate it in an area that exceeds the maximum
recommended ambient temperature of 149°F (65°C). Statement 1047
Warning
The chassis should be mounted on a rack that is permanently affixed to the building. Statement 1049Warning
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. Statement 1071
Warning
This is a Class A Device and is registered for EMC requirements for industrial use. The seller or buyer
should be aware of this. If this type was sold or purchased by mistake, it should be replaced with a
residential-use type. Statement 294
Warning
This is a class A product. In a domestic environment this product may cause radio interference in which
case the user may be required to take adequate measures. Statement 340
Warning
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Standard Warning Statements

This equipment is in compliance with the essential requirements and other relevant provisions of Directive
1999/5/EC. Statement 287.
Warning
Safety Guidelines for Personal Safety and Equipment Protection
The following guidelines help ensure your safety and protect the equipment. This list does not include all the
potentially hazardous situations. Therefore, you should be on alert.
•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 clear and dust-free.
•Keep tools and assembly components away from walk areas where you or others could trip over them.
•Do not work alone if potentially hazardous conditions exist.
•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.
•When working under conditions that may be hazardous to your eyes, wear safety glasses.
Safety Precautions for Module Installation and Removal
Be sure to observe the following safety precautions when you work on the router.
To see translations of the warnings that appear in this publication, see the Regulatory Compliance and Safety
Information document that accompanied this device.
Class 1 laser product. Statement 1008Warning
Do not stare into the beam or view it directly with optical instruments. Statement 1011Warning
Invisible laser radiation present. Statement 1016Warning
Hazardous network voltages are present in WAN ports regardless of whether power to the unit is OFF or
ON. To avoid electric shock, use caution when working near WAN ports. When detaching cables, detach
the end away from the unit first. Statement 1026
Warning
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Safety Guidelines for Personal Safety and Equipment Protection

Blank faceplates and cover panels serve three important functions: they prevent exposure to hazardous
voltages and currents inside the chassis; they contain electromagnetic interference (EMI) that might disrupt
other equipment; and they direct the flow of cooling air through the chassis. Do not operate the system
unless all cards, faceplates, front covers, and rear covers are in place. Statement 1029
Warning
Hazardous voltage or energy is present on the backplane when the system is operating. Use caution when
servicing. Statement 1034
Warning
Invisible laser radiation may be emitted from disconnected fibers or connectors. Do not stare into beams
or view directly with optical instruments. Statement 1051
Warning
Safety with Electricity
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 12
Warning
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. Statement 43
Warning
Avoid using or servicing any equipment that has outdoor connections during an electrical storm. There
may be a risk of electric shock from lightning. Statement 1088
Warning
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Statement 1003
Warning
Read the installation instructions before connecting the system to the power source. Statement 1004Warning
This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that the
protective device is rated: For a -48/-60 VDC installation, the wire shall be 12 AWG minimum with a 20
A branch circuit breaker. For a 24 VDC installation, the wire shall be 8 AWG minimum with a 40 A
branch circuit breaker. Statement 1005
Warning
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Safety with Electricity

This product relies on the building’s installation for short-circuit (overcurrent) protection. For an AC
installation, ensure that the branch circuit breaker is rated a maximum 20A. Statement 1005
Warning
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
Warning
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
Warning
When you connect or disconnect the power and/or alarm connector with power applied, an electrical arc
can occur. This could cause an explosion in hazardous area installations. Be sure that all power is removed
from the switch and any other circuits. Be sure that power cannot be accidentally turned on or verify that
the area is nonhazardous before proceeding. Statement 1058
Warning
Take care when connecting units to the supply circuit so that wiring is not overloaded. Statement 1018Warning
The plug-socket combination must be accessible at all times, because it serves as the main disconnecting
device. Statement 1019
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
Warning
A readily accessible two-poled disconnect device must be incorporated in the fixed wiring. Statement
1022
Warning
To reduce the risk of fire, use only 26 AWG or larger telecommunication line cord. Statement 1023Warning
This equipment must be grounded. Never defeat the ground conductor or operate the equipment in the
absence of a suitably installed ground conductor. Contact the appropriate electrical inspection authority
or an electrician if you are uncertain that suitable grounding is available. Statement 1024
Warning
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Safety with Electricity

Use copper conductors only. Statement 1025Warning
This unit might have more than one power supply connection. All connections must be removed to
de-energize the unit. Statement 1028
Warning
To prevent personal injury or damage to the chassis, never attempt to lift or tilt the chassis using the
handles on modules (such as power supplies, fans, or cards); these types of handles are not designed to
support the weight of the unit. Statement 1032
Warning
Connect the unit only to DC power source that complies with the safety extra-low voltage (SELV)
requirements in IEC 60950 based safety standards. Statement 1033
Warning
Do not use this product near water; for example, near a bath tub, wash bowl, kitchen sink or laundry tub,
in a wet basement, or near a swimming pool. Statement 1035
Warning
Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations.
Statement 1036
Warning
Before opening the unit, disconnect the telephone-network cables to avoid contact with telephone-network
voltages. Statement 1041
Warning
This product requires short-circuit (overturned) protection, to be provided as part of the building installation.
Install only in accordance with national and local wiring regulations. Statement 1045
Warning
When installing or replacing the unit, the ground connection must always be made first and disconnected
last. Statement 1046
Warning
Never install an AC power module and a DC power module in the same chassis. Statement 1050Warning
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Safety with Electricity

When you connect or disconnect the power and/or alarm connector with power applied, an electrical arc
can occur. This could cause an explosion in hazardous area installations. Be sure that all power is removed
from the switch and any other circuits. Be sure that power cannot be accidentally turned on or verify that
the area is nonhazardous before proceeding. Statement 1058
Warning
This equipment is intended to be grounded to comply with emission and immunity requirements. Ensure
that the switch functional ground lug is connected to earth ground during normal use. Statement 1064
Warning
If you connect or disconnect the console cable with power applied to the switch or any device on the
network, an electrical arc can occur. This could cause an explosion in hazardous location installations. Be
sure that power is removed or the area is nonhazardous before proceeding. Statement 1080
Warning
Installation of the equipment must comply with local and national electrical codes. Statement 1074Warning
Hazardous voltage or energy may be present on power terminals. Always replace cover when terminals
are not in service. Be sure uninsulated conductors are not accessible when cover is in place. Statement
1086
Warning
When working on equipment powered by electricity, follow these guidelines:
•Locate the room’s emergency power-off switch. If an electrical accident occurs, you will be able to
quickly turn off the power.
•Before working on the system, turn off the DC main circuit breaker and disconnect the power terminal
block cable.
•Before doing the following, disconnect all power:
◦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 moist 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.
◦Turn off power to the router.
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Safety with Electricity

◦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.
•Never install telephone jacks in wet locations unless the jack is specifically designed for it.
•Never touch uninsulated telephone wires or terminals unless the telephone line is disconnected at the
network interface.
•When installing or modifying telephone lines, use caution.
Power Supply Considerations
Check the power at your site to ensure that you are receiving clean power (free of spikes and noise). Install a
power conditioner if necessary.
This equipment has been designed for connection to TN and IT power systems. Statement 1007Warning
Preventing ESD Damage
This equipment needs to be grounded. Use a green and yellow 6 AWG ground wire to connect the host
to earth ground during normal use. Statement 383
Warning
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.
•When installing a component, use any available ejector levers or captive installation screws to properly
seat the bus connectors in the backplane or midplane. These devices prevent accidental removal, provide
proper grounding for the system, and help to ensure that bus connectors are properly seated.
•When removing a component, use available ejector levers or captive installation screws, if any, to release
the bus connectors from the backplane or midplane.
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Power Supply Considerations

•Handle components by their handles or edges only; do not touch the printed circuit boards or connectors.
•Place a removed component board side up on an antistatic surface or in a static-shielding container. If
you plan to return the component to the factory, immediately place it in a static-shielding container.
•Avoid contact between the printed circuit boards and clothing. The wrist strap only protects components
from ESD voltages on the body; ESD voltages on clothing can still cause damage.
•Never attempt to remove the printed circuit board from the metal carrier.
For the safety of your equipment, periodically check the resistance value of the antistatic wrist strap. It
should be between 1 and 10 Mohm.
Note
Site Planning
These sections describe how to plan for the installation of the Cisco ASR 903 Router as a satellite shelf:
General Precautions
Observe the following general precautions when using and working with your Cisco ASR 903 Router as a
satellite shelf system:
•Keep the system components away from radiators and heat sources and do not block cooling vents.
•Do not spill food or liquids on the system components and never operate the product in a wet environment.
•Do not push any objects into the openings of the system components. Doing so can cause fire or electric
shock by shorting out interior components.
•Position system cables and power supply cables carefully. Route system cables and the power supply
cable and plug so that they cannot be stepped on or tripped over. Be sure that nothing else rests on the
system component cables or power cable.
•Do not modify power cables or plugs. Consult a licensed electrician or your power company for site
modifications. Always follow your local and national wiring rules.
•If you turn off your system, wait at least 30 seconds before turning it on again to avoid system component
damage.
Site Planning Checklist
Use the following checklist to perform and account for all the site planning tasks described in this chapter:
•The site meets the environmental requirements of the Cisco ASR 903 Router as a satellite shelf.
•The site’s air conditioning system can compensate for the heat dissipation of the Cisco ASR 903 Router
as a satellite shelf.
•The floor space that the Cisco ASR 903 occupies can support the weight of the system.
•Electrical service to the site complies with the requirements.
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Site Planning

•The electrical circuit servicing the Cisco ASR 903 Router as a satellite shelf complies with the
requirements.
•Consideration has been given to the console port wiring and limitations of the cabling involved, according
to TIA/EIA-232F.
•Ethernet cabling distances for the Cisco ASR 903 Router as a satellite shelf are within limitations.
•The equipment rack in which you plan to install the Cisco ASR 903 Router as a satellite shelf complies
with requirements.
•In selecting the location of the rack, careful consideration has been given to safety, ease of maintenance,
and proper airflow.
Site Selection Guidelines
The Cisco ASR 903 Router as a satellite shelf requires specific environmental operating conditions.
Temperature, humidity, altitude, and vibration can affect the performance and reliability of the router. The
following sections provide specific information to help you plan for the proper operating environment.
The Cisco ASR 903 Router as a satellite shelf is designed to meet the industry EMC, safety, and environmental
standards described in the Regulatory, Safety, and Compliance Information for the Cisco ASR 903 Router.
Environmental Requirements
Environmental monitoring in the Cisco ASR 903 Router as a satellite shelf protects the system and components
from damage caused by excessive voltage and temperature conditions. To ensure normal operation and avoid
unnecessary maintenance, plan and prepare your site configuration before installation. After installation, make
sure that the site maintains the environmental characteristics described in the Cisco ASR 903 System
Specifications section.
Physical Characteristics
Be familiar with the physical characteristics of the Cisco ASR 903 Router as a satellite shelf to assist you in
placing the system in the proper location. For more information, see the Cisco ASR 903 System Specifications
section.
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Site Selection Guidelines