Hardware Guide
 M160 Internet Router Hardware Guide
 Iii
 USA
 Table of Contents
 Part Initial Installation
Chapter Junos Internet Software Overview
 Chapter Unpacking the Router
 Connecting the Router and Performing Initial Configuration
Procedures
Part
 Table of Contents
 Appendixes
 Part Index
Appendix C
 M160 Internet Router Hardware Guide Xii Table of Contents
 List of Figures
Xiii
 Reinstalling a Routing Engine
 Installing a Power Supply
 M160 Internet Router Hardware Guide Xvi List of Figures
 List of Tables
 Xviii
 About This Guide
Objectives
Audience
Documentation Conventions
 Icon Meaning Description
Convention Description Examples
 List of Technical Publications
Community-ids
 API
 Documentation Feedback
Requesting Support
 M160 Internet Router Hardware Guide Xxiv Requesting Support
 Product Overview
 Product Overview
 System Overview
System Description
 Field-Replaceable Units FRUs
System Redundancy
 Safety Requirements, Warnings, and Guidelines
Page
 Hardware Component Overview
Chassis
 Front of Chassis
 Rear of Chassis with Component Cover in Place
 Rear of Chassis with Component Cover Removed
 Chassis Physical Specifications Description Value
Packet Forwarding Engine
 Midplane
 Physical Interface Cards PICs
Midplane
 PIC Components
Flexible PIC Concentrators FPCs
 Front of Chassis with Four-PIC FPC Installed in Slot FPC0
 FPC Components
 FPC Types
 Packet Forwarding Engine Clock Generators PCGs
FPC1 and FPC2
 Switching and Forwarding Module SFM
PCG Components
States for PCG LEDs
Label Color State Description
 SFM Components
 Switching and Forwarding Module
 Host Module
States for SFM LEDs Label Color Description
 Routing Engine
 Routing Engine Components
 Miscellaneous Control Subsystem MCS
Routing Engine
 MCS Components
 Craft Interface
States for MCS LEDs Label Color Description
 Alarm LEDs and Alarm Cutoff/Lamp Test Button
Craft Interface
 LCD Idle Mode
LCD and Navigation Buttons
 LCD Alarm Mode
LCD in Idle Mode
 FPC LEDs and Offline Button
Host Module LEDs
States for Host Module LEDs Label Color Description
 Connector Interface Panel CIP
States for FPC LEDs Label Color Description
 Connector Interface Panel
Routing Engine Management Ports
 Alarm Relay Contacts
Bits Input Ports
 Power System
Alarm Relay Contacts and Bits Input Ports
 Power Supply
 States for Power Supply LEDs Label
State Description
 Electrical Specifications for Power Supply Description
Circuit Breaker Box
 Fuses
Cooling System
 Cooling System Components
Airflow through the Chassis
 Cable Management System
Airflow through the Chassis
 M160 Internet Router Hardware Guide Cable Management System
 Junos Internet Software Overview
Routing Engine Software Components
 Routing Protocol Process
IPv4 Routing Protocols
 Junos Internet Software Overview
 IPv6 Routing Protocols
 Routing and Forwarding Tables
Routing Policy
 VPNs
 Interface Process
Chassis Process
Snmp and MIB II Processes
Management Process
 Software Upgrades
Tools for Accessing and Configuring the Software
Tools for Monitoring the Software
 System Architecture Overview
Packet Forwarding Engine Architecture
 Data Flow through the Packet Forwarding Engine
 Routing Engine Architecture
Packet Forwarding Engine Components and Data Flow
 Routing Engine Functions
Routing Engine Architecture
 Packets Out
Page
 Initial Installation
 Initial Installation
 Preparing for Router Installation
Rack Requirements
 Rack Size and Strength
 Spacing of Mounting Holes
Typical Center-Mount Rack
 Routing Node Environmental Specifications
Clearance Requirements for Airflow and Hardware Maintenance
Connection to Building Structure
 Routing Node Environmental Specifications Description Value
Fire Safety Requirements
Fire Suppression
 Power Guidelines, Requirements, and Specifications
Fire Suppression Equipment
 Site Electrical Wiring Guidelines
Distance Limitations for Signaling
Router Power Requirements
Radio Frequency Interference
 Power consumption for maximum configuration
Component Power Requirements Power Requirement Amps
 Power, Connection, and Cable Specifications
Chassis Grounding
 Shows a typical source cabling arrangement
 Preparing for Router Installation
 Network Cable Specifications and Guidelines
Power and Grounding Cable Connections
 Signal Loss in Multimode and Single-Mode Fiber-Optic Cable
Fiber Optic and Network Cable Specifications
Attenuation and Dispersion in Fiber-Optic Cable
 Calculating Power Budget for Fiber-Optic Cable
 Calculating Power Margin for Fiber-Optic Cable
 Routing Engine Interface Cable and Wire Specifications
Attenuating to Prevent Saturation at SONET/SDH PICs
 Site Preparation Checklist Item or Task
Site Preparation Checklist
Date
 Item or Task Performed By Date
 Tools and Parts Required
Unpacking the Router
Unpacking the Router
 M160 Internet Router Hardware Guide
 Generic Inventory of Router Components Installed in Chassis
Component Quantity
 M160 Internet Router Hardware Guide Unpacking the Router
 Installing the Router Using a Mechanical Lift
Installing the Chassis Using a Mechanical Lift
 M160 Internet Router Hardware Guide
 Installing the Router without a Mechanical Lift
Router Component Weights Approximate Weight lb Weight kg
 Removing Components from the Chassis
 Installing the Router without a Mechanical Lift
 Removing the Power Supplies
Removing the Rear Component Cover
 Removing the SFMs
 Removing the MCSs
Removing an SFM
 Removing the PCGs
Removing an MCS
 Removing the Routing Engines
Removing a PCG
 Removing the Rear Upper Impeller Assembly
Removing a Routing Engine
 Removing the Rear Lower Impeller Assembly
Removing the Rear Upper Impeller Assembly
 Removing the Rear Lower Impeller Assembly
Removing the Fan Tray
 FPC Removal Checklist Slot Media Types Date Removed
Removing the FPCs
 Installing the Router without a Mechanical Lift
 Removing the Front Impeller Assembly
Removing an FPC
 Installing the Chassis into the Rack
Removing the Front Impeller Assembly
 Attaching the Lifting Handle
 Reinstalling Components into the Chassis
Installing the Chassis in a Rack
 Reinstalling the Front Impeller Assembly
 Reinstalling the FPCs
Reinstalling the Front Impeller Assembly
 Reinstalling the Fan Tray
Reinstalling an FPC
 Reinstalling the Rear Lower Impeller Assembly
Reinstalling the Fan Tray
 Reinstalling the Rear Upper Impeller Assembly
Reinstalling the Rear Lower Impeller Assembly
 Reinstalling the Routing Engines
Reinstalling the Rear Upper Impeller Assembly
 Reinstalling the PCGs
Reinstalling a Routing Engine
 Reinstalling the MCSs
Reinstalling a PCG
 Reinstalling the SFMs
Reinstalling an MCS
 Reinstalling the Rear Component Cover
Reinstalling the Power Supplies
 Reinstalling a Power Supply
 Connecting the Router and Performing Initial Configuration
 Connecting the Router to Management and Alarm Devices
 113
 Connecting to a Network for Out-of-Band Management
Connecting to a Management Console or Auxiliary Device
 Connecting to an External Alarm-Reporting Device
Connecting PIC Cables
 M160 Internet Router Hardware Guide
 Providing Power to the Router
Connecting Power to the Router
 M160 Internet Router Hardware Guide
 Powering On the Router
Connecting Power and Grounding Cables
 M160 Internet Router Hardware Guide
 Configuring the Junos Internet Software
 Configure the router’s domain name
 Commit the configuration to activate it on the router
Page
 125
Page
 Maintaining Hardware Components
Routine Maintenance Procedures
Maintaining Cooling System Components
 Maintaining the Air Filter
Removing the Air Filter
 Cleaning the Air Filter
Installing the Air Filter
 Installing the Air Filter
Maintaining the Fan Tray and Impellers
 Maintaining Host Module Components
User@host show chassis routing-engine
 Maintaining Packet Forwarding Engine Components
User@host show chassis environment mcs
 Maintaining FPCs
User@host show chassis fpc
 Maintaining PICs and PIC Cables
Show chassis Fpc pic-status
 Maintaining the PCGs
135
 Maintaining SFMs
User@host show chassis sfm detail
 Maintaining Power Supplies
User@host show chassis environment pem
 User@host show chassis alarms
 Replacing Hardware Components
139
 Tools and Parts Required Tool or part Components
 Removing the CIP
Replacing the CIP and Routing Engine Interface Port Cables
Tool or part Components
 Service, and System Basics Command Reference
 Installing the CIP
Removing the CIP
 Installing the CIP
 Routing Engine Interface Ports and Alarm Relay Contacts
Replacing Connections to Routing Engine Interface Ports
 Replacing the Management Ethernet Cable
Replacing the Console or Auxiliary Cable
 Replace Alarm Relay Wires
Serial Port Connector
 Replacing the Fan Tray
Replacing Cooling System Components
Removing the Fan Tray
 Installing the Fan Tray
 Replacing the Front Impeller Assembly
Installing the Fan Tray
 Removing the Front Impeller Assembly
 Removing the Front Impeller Assembly
 153
 Installing the Front Impeller Assembly
Replacing the Rear Lower Impeller Assembly
 Removing the Rear Lower Impeller Assembly
Installing the Rear Lower Impeller Assembly
 Replacing the Rear Upper Impeller Assembly
Installing the Rear Lower Impeller Assembly
 Removing the Rear Upper Impeller Assembly
 Installing the Rear Upper Impeller Assembly
Installing the Rear Upper Impeller Assembly
 Replacing an MCS
Replacing Host Module Components
Removing an MCS
 User@host request chassis routing-engine master switch
 Installing an MCS
 Installing an MCS
 Removing and Insert the PC Card
Removing the PC Card
 Insert the PC Card
Removing the PC Card
 Replacing a Routing Engine
Removing a Routing Engine
 User@host show chassis routing-engine
 167
 Installing a Routing Engine
 Replacing Packet Forwarding Engine Components
Replacing an FPC
 Removing an FPC
 171
 Installing an FPC
 173
 User@hostrequest chassis fpc slot slot-numberonline
 175
 Replacing a PCG
Removing a PCG
 177
 Installing a PCG
 Replacing a PIC
Removing a PIC
 Service, and System Basics Command Reference
 Installing a PIC
Removing a PIC
 M160 Internet Router Hardware Guide
 183
 Installing a PIC
 Replace PIC Cables
Removing a PIC Cable
 Installing a PIC Cable
 187
 Replacing an SFM
Removing an SFM
 Installing an SFM
 Replace an SFP
Removing an SFP
 Installing an SFP
 M160 Internet Router Hardware Guide
 Replacing the Circuit Breaker Box
Replacing Power System Components
Removing the Circuit Breaker Box
 Service, and System Basics Command Reference
 Installing the Circuit Breaker Box
Removing the Circuit Breaker Box
 M160 Internet Router Hardware Guide
 Replacing a Power Supply
Removing a Power Supply
 Removing a Power Supply
 Installing a Power Supply
Rear of Power Supply Showing Midplane Connectors
 Disconnecting and Connecting Power
Disconnecting Power from the Router
 201
 Connecting Power to the Router
Disconnecting Power Cables
 203
 Connecting Power and Grounding Cables
Replacing a Fuse
 205
 Fuse Specifications
Color Component Fuse Rating Quantity Locations
 Overview of Troubleshooting Resources
Troubleshooting Hardware Components
Command-Line Interface
 LEDs
LEDs on the Craft Interface
 Chassis Alarm Messages Component LCD Message CLI Message
Chassis and Interface Alarm Messages
LEDs on Hardware Components
 SONET/SDH Interface Alarm Messages
Component LCD Message CLI Message
 Blown Fuse Indicators
 Troubleshooting the Cooling System
Juniper Networks Technical Assistance Center
 Troubleshooting Packet Forwarding Engine Components
 Troubleshooting FPCs
 Troubleshooting the Power System
Troubleshooting PICs
All LEDs on Both Supplies Are Off
 All LEDs on One Supply Are Off or LED States Are not Correct
 217
Page
 Appendixes
 Appendixes
 Safety and Regulatory Compliance Information
Definition of Safety Warning Levels
 Safety Guidelines and Warnings
 223
 General Safety Guidelines and Warnings
 Restricted Access Area Warning
Qualified Personnel Warning
 Preventing Electrostatic Discharge Damage
 Electrical Safety Guidelines and Warnings
Placing a Component into an Electrostatic Bag
 M160 Internet Router Hardware Guide
 General Electrical Safety Guidelines
DC Power Electrical Safety Guidelines
 Copper Conductors Warning
 DC Power Disconnection Warning
 DC Power Grounding Requirements and Warning
 DC Power Wiring Sequence Warning
 DC Power Wiring Terminations Warning
 Grounded Equipment Warning
 Case of Electrical Accident
 Power Disconnection Warning
 TN Power Warning
 Installation Instructions Warning
Installation Safety Guidelines and Warnings
Chassis Lifting Guidelines
 Rack-Mounting Requirements and Warnings
 241
 M160 Internet Router Hardware Guide
 243
 Laser and LED Safety Guidelines and Warnings
Ramp Warning
 General Laser Safety Guidelines
Class 1 Laser Product Warning Class 1 LED Product Warning
 Laser Beam Warning
 Maintenance and Operational Safety Guidelines and Warnings
Radiation From Open Port Apertures Warning
 Battery Handling Warning
 Jewelry Removal Warning
 Lightning Activity Warning
 Operating Temperature Warning
 Product Disposal Warning
 Agency Approvals
EMC
 Compliance Statements for EMC Requirements
Canada
European Community
Japan
 Contacting Customer Support and Returning Hardware
Locating Component Serial Numbers
 Attached to the component body
 CIP Serial Number ID Label
Craft Interface Serial Number ID Label
 DC Power Supply Serial Number ID Label
Craft Interface Serial Number ID Label
 FPC Serial Number ID Label
MCS Serial Number ID Label
 PCG Serial Number ID Label
PIC Serial Number ID Label
 Routing Engine Serial Number ID Label
PIC Serial Number ID Label
 SFM Serial Number ID Label
Contacting Customer Support
 Return Procedure
Information You Might Need to Supply to Jtac
 Tools and Parts Required
 Packing the Routing Node for Shipment
 M160 Internet Router Hardware Guide
 Packing Components for Shipment
Page
 Cable Connector Pinouts
RJ-45 Connector Pinout Signal
 Data numbering Form Signal
DB-9 Connector Pinout Signal Direction Description
RJ-48 Cable Pinouts for E1 and T1 PICs
 Form Signal
Data numbering
 RX/Ring/- --RX/Ring
 V.35 Cable Pinouts for EIA-530 PIC
RJ-48 Pin on T1/E1 DB-15 Pin
 DB-25 Pin Signal 35 Pin Description
Fast Ethernet 48-port Cable Pinouts
 Fast Ethernet 48-port PIC
RJ-21 Pin Assignments Ethernet Port Numbers
 18, 30 19, 31 20, 32 21, 33 10, 22, 34 11, 23, 35
 Index
 Index
 Symbols
Airflow
 PIC
 EMC EMI
 MCS
 PCG
 SONET/SDH
 Rear lower impeller assembly installation instructions
 Power supply
 SFP
 Wiring, electrical See electricity Cable pinouts