Technical Documentation

M120 Multiservice Edge Router Hardware

Planning and Preparing the Site

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

AC Power Specifications

M120 AC Power, Connection, and Power Cord Specifications

Electrical Specifications for the M120 AC Power Supply

DC Power Specifications

M120 DC Power, Connection, and Cable Specifications

Electrical Specifications for the M120 DC Power Supply

Transceiver and Cable Specifications

M Series, MX Series, and T Series Transceiver Overview

Supported Network Interface Standards by Transceiver Model Number

Fiber-Optic and Network Cable Specifications for the M120 Router

Signal Loss in Multimode and Single-Mode Fiber-Optic Cable for the M120 Router

Attenuation and Dispersion in Fiber-Optic Cable on M Series, MX Series, and T Series Routers

Calculating Power Budget for Fiber-Optic Cable for M Series, MX Series, and T Series Routers

Calculating Power Margin for Fiber-Optic Cable for M Series, MX Series, and T Series Routers

Pinout Specifications

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

Compliance

Agency Approvals for M120 Routers

Compliance Statements for Acoustic Noise for the M120 Router

Compliance Statements for Environmental Requirements for M Series, MX Series, and T Series Routers

Compliance Statements for EMC Requirements for the M120 Router (European Community)

Compliance Statements for EMC Requirements for M Series, MX Series, and T Series Routers (Canada)

Compliance Statements for EMC Requirements for M Series, MX Series, and T Series Routers (Japan)

Compliance Statements for EMC Requirements for M Series, MX Series, and T Series Routers (United States)

Compliance Statements for NEBS for the M120 Router

General Safety Guidelines and Warnings

Definition of Safety Warning Levels

General Safety Guidelines for M Series, MX Series, and T Series Routers

General Safety Warnings for M Series, MX Series, and T Series Routers

Preventing Electrostatic Discharge Damage to an M120 Router

Fire Safety Requirements

Fire Safety Requirements for M Series, MX Series, and T Series Routers

Installation Safety Guidelines and Warnings

M120 Chassis Lifting Guidelines

Installation Safety Warnings for M Series, MX Series, and T Series Routers

Laser and LED Safety Guidelines and Warnings

General Laser Safety Guidelines for the M120 Router

M120 Laser and LED Safety Warnings

Maintenance and Operational Safety Guidelines and Warnings

Maintenance and Operational Safety Warnings for M Series, MX Series, and T Series Routers

Electrical Guidelines and Warnings

In Case of an Electrical Accident

General Electrical Safety Warnings for M Series, MX Series, and T Series Routers

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 M Series, MX Series, and T Series Routers

DC Power Electrical Safety Guidelines for the M120

Site Electrical Wiring Guidelines for M Series, MX Series, and T Series Routers

Task 1: Unpacking the M120 Router

Tools and Parts Required to Unpack the M120 Router

Unpacking the M120 Router

Verifying M120 Parts Received

Task 2: Installing the Mounting Hardware

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

Task 3: Installing the M120 Router

M120 Router Installation Summary

Installing the M120 Router With a Mechanical Lift

Tools Required to Install the M120 Router Using a Mechanical Lift

Installing the M120 Router Using a Mechanical Lift

Installing the M120 Router Without 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

Task 4: Grounding the M120 Router

Connecting the Grounding Cable to the M120 Router

Task 5: Connecting the M120 Router to External Devices

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 In-Band Management

Connecting the M120 Router to an External Alarm-Reporting Device

Connecting PIC Cables to the M120 Router

Task 6: Providing Power 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

Maintaining Components

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

Packing and Returning Components

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

Replacing Components

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

Published: 2010-08-12

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