Cisco ASR-920-20SZ-M Manuale

Cisco ASR-920-20SZ-M Aggregation Services Router Hardware

Installation Guide

First Published: 2018-09-10

Americas Headquarters

Cisco Systems, Inc.

170 West Tasman Drive

San Jose, CA 95134-1706

USA

http://www.cisco.com

Tel: 408 526-4000

800 553-NETS (6387)

Fax: 408 527-0883

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

Features 9

GigabitEthernet Copper Ports 10

GE SFP Ports 11

SFP+ Ports 11

External Interfaces 11

Network Interfaces 11

Network Timing Interfaces 11

External Alarm Inputs 12

Console 12

Auxiliary Console 12

USB Console 12

USB Memory 12

Online Insertion and Removal 13

Cisco ASR-920-20SZ-M Aggregation Services Router Hardware Installation Guide

iii

Power Supply and Fans 13

Licensing 14

Prepare for Installation 15

CHAPTER 3

Site Planning 15

General Precautions 15

Site Planning Checklist 15

Site Selection Guidelines 16

Airflow for Site Planning 16

Environmental Requirements 16

Physical Characteristics 17

Airflow Guidelines 17

Floor Loading Considerations 18

Site Power Guidelines 18

Electrical Circuit Requirements 19

Site Cabling Guidelines 19

Asynchronous Terminal Connections 19

Interference Considerations 19

Rack-Mounting Guidelines 20

Precautions for Rack-Mounting 20

Rack Selection Guidelines 20

Receive the Device 21

Unpack and Verify Shipped Contents 23

Tools and Equipment 24

Install the Router 25

CHAPTER 4

Rack Compatibility 25

Rack Types 25

Set up Device on Rack or Wall 27

Rack Mount 27

Install Rack Brackets 27

Set up Device on Rack 32

Attaching the Cable Guides 33

Wall Mount 34

Cisco ASR-920-20SZ-M Aggregation Services Router Hardware Installation Guide

Contents

Install Wall Brackets 34

Wall Mount the Device 35

Ground the Device 36

Connect Power Cables 37

Activate an AC Power Supply 38

Attach Cables to the DC Power Supply 40

Power On the DC Power Supply 41

Connect Gigabit Ethernet Ports 41

Connect SFP Modules 42

Install SFP Modules 42

Remove SFP Modules 43

Connect Fiber Optic SFP Modules 43

Connect RJ-45 Connector 44

Connect Chassis to Network 44

Connecting Console Cables 44

Connecting to the USB Serial Port Using Microsoft Windows 45

Connecting to the Console Port Using Mac OS X 46

Connecting to the Console Port Using Linux 46

Installing the Cisco USB Device Driver 47

Uninstalling the Cisco USB Device Driver 47

Connecting a USB Flash Device 48

Removing a USB Flash Device 48

Connecting Timing Cables 49

Connecting a Cable to the BITS Interface 49

Connecting Cables to the GPS Interface 49

Connect to EIA Console Port 50

Connect a Management Ethernet Cable 51

Configure the Device 53

CHAPTER 5

Power up the Device 53

Verify the Front Panel LEDs 53

Verify the Hardware Configuration 54

Check Hardware and Software Compatibility 54

Configure Device at Startup 54

Cisco ASR-920-20SZ-M Aggregation Services Router Hardware Installation Guide

Contents

Access the CLI Using the Console 55

Configure Global Parameters 55

Check the Running Configuration Settings 56

Save the Running Configuration to NVRAM 57

Safely Power Down the Device 57

Replace the Power Supply 59

CHAPTER 6

Remove the DC Power Supply 59

Install the DC Power Supply 60

Remove the AC Power Supply 61

Install the AC Power Supply 62

Troubleshooting Aids 65

CHAPTER 7

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

PWR and STAT LEDs 70

CPU Management Port LEDs 70

SFP LEDs 71

SFP+ LEDs 71

RJ-45 LEDs 72

Power Supply Unit LEDs 72

System–Interface LED Behavior 72

Cisco ASR-920-20SZ-M Aggregation Services Router Hardware Installation Guide

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

Cisco ASR-920-20SZ-M Aggregation Services Router Hardware Installation Guide

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.

Cisco ASR-920-20SZ-M Aggregation Services Router Hardware Installation Guide

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

Cisco ASR-920-20SZ-M Aggregation Services Router Hardware Installation Guide

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

Cisco ASR-920-20SZ-M Aggregation Services Router Hardware Installation Guide

Safety Warnings

Safety with Electricity

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