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Junos OS Documentation for ACX, M, MX, PTX, and T Series Routers, Release 12.3
Outstanding Issues with the M120 Router
Errata with the M120 Router Documentation
M120 Router Description
M120 Component Redundancy
M120 Router Chassis Description
M120 Cable Management System Description
M120 Cooling System Description
M120 Control Board (CB) Description
M120 Craft Interface Description
M120 External Clock Interface Ports on the Craft Interface
M120 Alarm Relay Contacts on the Craft Interface
M120 Midplane Description
M120 Flexible PIC Concentrators (FPCs) Description
M120 Forwarding Engine Boards (FEBs) Description
M120 Host Subsystem Description
M120 Compact FPCs (CFPCs) Description
M120 FPCs and CFPCs Supported
M120 PICs Description
M120 PICs Supported
M120 End-of-Life PICs Supported
M120 PIC/FPC Compatibility
M120 Power Supplies Description
M120 AC Power Supply Description
M120 DC Power Supply Description
M120 Routing Engine Description
M120 RE-A-1800x2 Routing Engine Description
Routing Engine Specifications
Supported Routing Engines by Chassis
M120 Alarm LEDs and Alarm Cutoff/Lamp Test Button
M120 Component LEDs on the Craft Interface
M120 Control Board (CB) LEDs
M120 Flexible PIC Concentrators (FPCs) LED
M120 Forwarding Engine Boards (FEBs) LEDs
M120 PIC LEDs
M120 Routing Engine LEDs
M120 Routing Engine Interface Ports and Status Indicators
M120 Power Supply LEDs
M120 Site Preparation Checklist
M120 Cabinet Size and Clearance Requirements
M120 Cabinet Airflow Requirements
M120 Rack Mounting Requirements
M120 Clearance Requirements for Airflow and Hardware Maintenance
M120 Router Power Requirements
M120 Router Environmental Specifications
M120 Router Physical Specifications
M120 AC Power, Connection, and Power Cord Specifications
Electrical Specifications for the M120 AC Power Supply
M120 DC Power, Connection, and Cable Specifications
Electrical Specifications for the M120 DC Power Supply
Network Cable and Transceiver Overview for ACX Series, M Series, and MX Series Routers
Supported Network Interface Standards by Transceiver
Understanding Fiber-Optic Cable Signal Loss, Attenuation, and Dispersion
Calculating Power Budget and Power Margin for Fiber-Optic Cables
Routing Engine Interface Cable and Wire Specifications for the M120 Router
RJ-48 Cable Pinouts for E1 and T1 PICs
M120 X.21 and V.35 Cable Pinouts for EIA-530 PIC
M120 Fast Ethernet PIC 48-Port Cable Pinouts
RJ-45 Connector Pinouts for the M120 Routing Engine ETHERNET Port
RJ-45 Connector Pinouts for the Routing Engine AUX and CONSOLE Ports
RJ-45 Connector Pinouts for the External Clock Ports
Agency Approvals for M120 Routers
Compliance Statements for Acoustic Noise for the M120 Router
Compliance Statements for Environmental Requirements for Juniper Networks Devices
Compliance Statements for EMC Requirements for the M120 Router (European Community)
Compliance Statements for EMC Requirements for Juniper Networks Devices (Canada)
Compliance Statements for EMC Requirements for Juniper Networks Devices (Japan)
Compliance Statements for EMC Requirements for Juniper Networks Devices (United States)
Compliance Statements for NEBS for the M120 Router
Definition of Safety Warning Levels
General Safety Guidelines for Juniper Networks Devices
General Safety Warnings for Juniper Networks Devices
Preventing Electrostatic Discharge Damage to an M120 Router
Fire Safety Requirements for Juniper Networks Devices
M120 Chassis Lifting Guidelines
Installation Safety Warnings for Juniper Networks Devices
General Laser Safety Guidelines for the M120 Router
M120 Laser and LED Safety Warnings
Maintenance and Operational Safety Warnings for Juniper Networks Devices
In Case of an Electrical Accident
General Electrical Safety Warnings for Juniper Networks Devices
TN Power Warning for the M120 Router
AC Power Electrical Safety Guidelines for the M120 Router
Japanese AC Power Cord Warning for M Series and MX Series Routers
DC Power Electrical Safety Warnings for Juniper Networks Devices
DC Power Electrical Safety Guidelines for the M120 Router
Site Electrical Wiring Guidelines for Juniper Networks Devices
Tools and Parts Required to Unpack the M120 Router
Unpacking the M120 Router
Verifying M120 Parts Received
Installing the Mounting Hardware for a Front-Mount Four-Post Rack or Cabinet
Installing the Mounting Hardware for a Front-Mount Open-Frame Rack
Installing the Mounting Hardware for a Center-Mount Open-Frame Rack
M120 Router Installation Summary
Tools Required to Install the M120 Router Using a Mechanical Lift
Installing the M120 Router Using a Mechanical Lift
Tools and Parts Required to Install the M120 Router Without a Mechanical Lift
Removing Components from the Chassis Before Installing the M120 Router Without a Mechanical Lift
Installing the M120 Router Without Using a Mechanical Lift
Reinstalling Components in the Chassis After Installing the M120 Router Without a Mechanical Lift
Connecting the Grounding Cable to the M120 Router
Tools and Parts Required to Connect the M120 Router
Connecting the M120 Router to Management and Alarm Devices
Connecting the M120 Router to a Network for Out-of-Band Management
Connecting the M120 Router to an External Alarm-Reporting Device
Connecting the M120 Router to an External Clocking Device
Connecting PIC Cables to the M120 Router
Connecting Power to an AC-Powered M120 Router
Connecting Power to a DC-Powered M120 Router
Powering On the M120 Router
Powering Off the M120 Router
Initially Configuring Junos OS on the M120 Router
Tools and Parts Required to Maintain M120 Hardware Components
Routine Maintenance Procedures on the M120 Router
Maintaining the M120 Air Filter
Maintaining the M120 Fan Trays
Maintaining the M120 FEBs
Maintaining the M120 Host Subsystem
Taking the M120 Host Subsystem Offline
Maintaining M120 FPCs and CFPCs
Storing an M120 FPC
Holding an M120 FPC
Maintaining M120 PICs and PIC Cables
Maintaining the M120 Power Supplies
Returning a Hardware Component to Juniper Networks, Inc.
Tools and Parts Required to Remove Components from an M120 Router
Packing the M120 Router for Shipment
Guidelines for Packing M120 Components for Shipment
M120 Field-Replaceable Units (FRUs)
Tools and Parts Required to Replace M120 Components
Replacing Alarm Relay Wires on the M120 Craft Interface
Replacing an M120 Air Filter
Replacing an M120 CB
Replacing an M120 CFPC
Replacing the M120 Craft Interface
Replacing an M120 Fan Tray
Replacing an M120 FEB
Replacing an M120 FPC
Replacing an M120 PIC
Replacing an M120 PIC Cable
Replacing an M120 XENPAK Module
Replacing an SFP or XFP Transceiver
Replacing an M120 AC Power Supply
Replacing an M120 AC Power Supply Cord
Replacing an M120 DC Power Supply
Replacing an M120 DC Power Supply Cable
Replacing an M120 Routing Engine
Replacing a DIMM Module in M120 Routing Engines
Replacing Connections to M120 Routing Engine Interface Ports
Replacing the Console or Auxiliary Cable on the M120 Routing Engine
Replacing the Management Ethernet Cable on the M120 Routing Engine
Overview of Troubleshooting Resources for the M120 Router
Troubleshooting the M120 Cooling System
Troubleshooting M120 FPCs and CFPCs
Troubleshooting M120 PICs
Troubleshooting M120 FEBs
Troubleshooting an M120 FEB When a Chassis Alarm Is Lit Upon Initial Startup or Removal
Troubleshooting the M120 Power System
Contacting Customer Support
Displaying M120 Router Components and Serial Numbers
M120 Chassis Serial Number Label
M120 Craft Interface Serial Number Label
M120 CB Serial Number Label
M120 FEB Serial Number Label
M120 FPC Serial Number Label
M120 CFPC Serial Number Label
M120 PIC Serial Number Label
M120 Power Supply Serial Number Labels
M120 Routing Engine Serial Number Label
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