Cisco ASR-920-12SZ-A Manual

Cisco ASR-920-12SZ-A and Cisco ASR-920-12SZ-D Aggregation Services
Router Hardware Installation Guide
First Published: 2018-07-16
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©2018 Cisco Systems, Inc. All rights reserved.

CONTENTS
Safety Warnings 1
CHAPTER 1
Standard Warning Statements 1
Safety Guidelines for Personal Safety and Equipment Protection 2
Safety Precautions for Module Installation and Removal 3
Safety with Electricity 3
Power Supply Considerations 6
Power Connection Guidelines 6
Guidelines for DC-Powered Systems 7
Guidelines for AC-Powered Systems 7
Prevent Power Loss 7
Preventing ESD Damage 7
Overview 9
CHAPTER 2
Power Supply 10
GNSS Module 11
Network Timing Interfaces 11
Management Interfaces 11
Alarm 11
Console 11
Auxiliary Console 11
USB Console 12
USB Memory 12
Management Port 12
Dual Rate Ports—1GE/10GE SFP+ Ports 12
LED Indicators 13
Fan Module 15
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Licensing the Router 15
Prepare for Installation 17
CHAPTER 3
Site Planning 17
General Precautions 17
Site Planning Checklist 17
Site Selection Guidelines 18
Environmental Requirements 18
Physical Characteristics 18
Airflow Guidelines 18
Floor Loading Considerations 20
Site Power Guidelines 20
Electrical Circuit Requirements 21
Site Cabling Guidelines 21
Asynchronous Terminal Connections 22
Interference Considerations 22
Rack-Mounting Guidelines 23
Precautions for Rack-Mounting 23
Rack Selection Guidelines 23
Receive the Device 23
Unpack and Verify Shipped Contents 25
Tools and Equipment 26
Install the Router 27
CHAPTER 4
Rack Compatibility 27
Rack Types 27
Set up Device on Rack or Wall 29
Rack Mount 29
Install Rack Brackets 29
Set Up Device on Rack 31
Attach the Cable Guides 36
Wall Mount 39
Install Wall Brackets 39
Wall Mount the Device 40
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Ground the Device 42
Connect Power Cables 43
Attach AC Power Cables 43
Service AC Power Supply 44
Attach DC Power Cables 45
Activate DC Power Supply 46
Service the DC Power Supply 47
Connect Gigabit Ethernet Ports 47
Connect SFP Modules 48
Install SFP Modules 48
Remove SFP Modules 49
Connect Fiber Optic SFP Modules 49
Connect RJ-45 Connector 50
Connect Chassis to Network 50
Connecting Console Cables 50
Connecting to the USB Serial Port Using Microsoft Windows 50
Connecting to the Console Port Using Mac OS X 51
Connecting to the Console Port Using Linux 52
Installing the Cisco USB Device Driver 52
Uninstalling the Cisco USB Device Driver 53
Connecting a USB Flash Device 53
Removing a USB Flash Device 53
Install GNSS Module 54
Connecting Timing Cables 55
Connecting a Cable to the BITS Interface 56
Connecting Cables to the GPS Interface 56
Connect to EIA Console Port 57
Connect a Management Ethernet Cable 57
Configure the Device 59
CHAPTER 5
Power up the Device 59
Verify the Front Panel LEDs 59
Verify the Hardware Configuration 60
Check Hardware and Software Compatibility 60
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Configure Device at Startup 60
Access the CLI Using the Console 61
Configure Global Parameters 61
Check the Running Configuration Settings 62
Save the Running Configuration to NVRAM 62
Safely Power Down the Device 63
Troubleshooting Aids 65
CHAPTER 6
Verify Pinout 65
BITS Port Pinouts 65
GPS Port Pinouts 66
Time-of-Day Port Pinouts 66
Alarm Port Pinouts 67
Management Ethernet Port Pinouts 67
USB Console Port Pinouts 68
USB MEM Port Pinouts 68
Check Optical Fiber Specifications 69
Check Alarm Conditions 69
Check LED Indicators 69
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Contents

CHAPTER 1
Safety Warnings
This handout topic lists the safety warnings necessary for handling this product. Before you install or service
the chassis, review these safety warnings to avoid injuring yourself or damaging the equipment.
For a complete list of translated safety warnings, see the Regulatory Compliance and Safety Information for
the Cisco ASR 920 Series Aggregation Services Router document.
The safety warnings are grouped under the following sections:
•Standard Warning Statements, on page 1
•Safety Guidelines for Personal Safety and Equipment Protection, on page 2
•Safety Precautions for Module Installation and Removal, on page 3
•Safety with Electricity, on page 3
•Power Supply Considerations, on page 6
•Preventing ESD Damage, on page 7
Standard Warning Statements
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. 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
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To prevent the system from overheating, do not operate it in an area that exceeds the maximum recommended
ambient temperature of 158°F (70°C). Statement 1047
Warning
The chassis should be mounted on a rack that is permanently affixed to the building. Statement 1049
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. 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
This equipment is in compliance with the essential requirements and other relevant provisions of Directive
1999/5/EC. Statement 287
Warning
Suitable for mounting on and over a concrete or other non-combustible surface only. Statement 345
Warning
SafetyGuidelinesforPersonalSafety andEquipment Protection
The following guidelines ensure your safety and protect the equipment. This list does not include all the
potentially hazardous situations. Therefore, you must be alert.
• Before moving the system, always disconnect all 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 where you or others could trip over them.
• Do not work alone if potentially hazardous conditions exist.
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Safety Warnings
Safety Guidelines for Personal Safety and Equipment Protection

• 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.
Class 1 laser product. Statement 1008
Warning
Do not stare into the beam or view it directly with optical instruments. Statement 1011
Warning
Invisible laser radiation present. Statement 1016
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
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Safety Warnings
Safety Precautions for Module Installation and Removal

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 1004
Warning
This product relies on the building’s installation for short-circuit (overcurrent) protection. For a DC installation,
ensure that the branch circuit breaker is rated a maximum 15A for DC systems. For AC systems, 15A for
voltages greater than 200Vac; 20A for voltages below 127Vac. Statement 1005
Warning
Take care when connecting units to the supply circuit so that wiring is not overloaded. Statement 1018
Warning
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 RJ45 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 1023
Warning
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
Use copper conductors only. Statement 1025
Warning
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Safety Warnings
Safety with Electricity