Juniper M120 Hardware Manual
Juniper M120 Hardware Manual

Juniper M120 Hardware Manual

Multiservice edge router
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M120 Multiservice Edge
Router

Hardware Guide

Published: 2010-10-15
Copyright © 2010, Juniper Networks, Inc.

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Summary of Contents for Juniper M120

  • Page 1: Hardware Guide

    M120 Multiservice Edge Router Hardware Guide Published: 2010-10-15 Copyright © 2010, Juniper Networks, Inc.
  • Page 2 Products made or sold by Juniper Networks or components thereof might be covered by one or more of the following patents that are owned by or licensed to Juniper Networks: U.S. Patent Nos. 5,473,599, 5,905,725, 5,909,440, 6,192,051, 6,333,650, 6,359,479, 6,406,312, 6,429,706, 6,459,579, 6,493,347, 6,538,518, 6,538,899, 6,552,918, 6,567,902, 6,578,186, and 6,590,785.
  • Page 3 Juniper Networks hardware and software products are Year 2000 compliant. The Junos OS has no known time-related limitations through the year 2038. However, the NTP application is known to have some difficulty in the year 2036. Copyright © 2010, Juniper Networks, Inc.
  • Page 4 REGARDING LICENSE TERMS. 1. The Parties. The parties to this Agreement are (i) Juniper Networks, Inc. (if the Customer’s principal office is located in the Americas) or Juniper Networks (Cayman) Limited (if the Customer’s principal office is located outside the Americas) (such applicable entity being referred to herein as “Juniper”), and (ii) the person or organization that originally purchased from Juniper or an authorized Juniper reseller the applicable...
  • Page 5 Customer shall be liable for any such violations. The version of the Software supplied to Customer may contain encryption or other capabilities restricting Customer’s ability to export the Software without an export license. Copyright © 2010, Juniper Networks, Inc.
  • Page 6 (including Juniper modifications, as appropriate) available upon request for a period of up to three years from the date of distribution. Such request can be made in writing to Juniper Networks, Inc., 1194 N. Mathilda Ave., Sunnyvale, CA http://www.gnu.org/licenses/gpl.html...
  • Page 7: Table Of Contents

    M120 Routing Engine Description ........18...
  • Page 8 M120 Craft Interface Description ........23...
  • Page 9 Providing Power to the M120 Router ....... . . 89...
  • Page 10 Maintaining the M120 Power Supplies ........115...
  • Page 11 Removing an M120 Fan Tray ........134...
  • Page 12 M120 Chassis Lifting Guidelines ........195...
  • Page 13 M120 Router Physical Specifications ........225...
  • Page 14 M120 CFPC Serial Number Label ........260...
  • Page 15 Index ............271 Copyright © 2010, Juniper Networks, Inc.
  • Page 16 M120 Multiservice Edge Router Hardware Guide Copyright © 2010, Juniper Networks, Inc.
  • Page 17 Installing the M120 Router with a Lift ....... . 55...
  • Page 18 Providing Power to the M120 Router ....... . . 89...
  • Page 19 Figure 67: Removing the M120 Air Filter ....... . .
  • Page 20 Figure 106: M120 Routing Engine Serial Number Label ..... 261 Figure 107: M120 PIC Serial Number Label ....... 261 Figure 108: M120 AC Power Supply Serial Number Label .
  • Page 21 Preparing the Site for M120 Router Installation ......37 Table 15: M120 Site Preparation Checklist ....... . 37 Table 16: M120 Rack Requirements and Specifications .
  • Page 22 M120 Router Physical Specifications ....... 225 Table 24: M120 Physical Specifications ....... . . 225 Appendix C M120 Router Environmental Specifications .
  • Page 23: About The Documentation

    Objectives This documentation describes hardware components, installation, basic configuration, and basic troubleshooting procedures for the Juniper Networks M120 Multiservice Edge Router. It explains how to prepare your site for router installation, unpack and install the hardware, power on the router, perform initial software configuration, and perform routine maintenance.
  • Page 24: Audience

    Audience This documentation is designed for network administrators who are installing and maintaining a Juniper Networks router or preparing a site for router installation. To use the documentation, you need a broad understanding of networks in general, the Internet in particular, networking principles, and network configuration. Any detailed discussion of these concepts is beyond the scope of this hardware documentation.
  • Page 25: Documentation Feedback

    Documentation Feedback We encourage you to provide feedback, comments, and suggestions so that we can improve the documentation. You can send your comments to , or fill out the documentation feedback form at techpubs-comments@juniper.net Copyright © 2010, Juniper Networks, Inc.
  • Page 26: Requesting Technical Support

    7 days a week, 365 days a year. Self-Help Online Tools and Resources For quick and easy problem resolution, Juniper Networks has designed an online self-service portal called the Customer Support Center (CSC) that provides you with the following features: Find CSC offerings: http://www.juniper.net/customers/support/...
  • Page 27: Opening A Case With Jtac

    You can open a case with JTAC on the Web or by telephone. Use the Case Management tool in the CSC at http://www.juniper.net/cm/ Call 1-888-314-JTAC (1-888-314-5822 toll-free in the USA, Canada, and Mexico). For international or direct-dial options in countries without toll-free numbers, see http://www.juniper.net/support/requesting-support.html Copyright © 2010, Juniper Networks, Inc. xxvii...
  • Page 28 M120 Multiservice Edge Router Hardware Guide xxviii Copyright © 2010, Juniper Networks, Inc.
  • Page 29: Overview Of The M120 Multiservice Edge Router

    PART 1 Overview of the M120 Multiservice Edge Router Overview of the M120 Router on page 3 M120 Hardware Components on page 5 Copyright © 2010, Juniper Networks, Inc.
  • Page 30 M120 Multiservice Edge Router Hardware Guide Copyright © 2010, Juniper Networks, Inc.
  • Page 31: Overview Of The M120 Router

    M120 Router Description on page 3 M120 Router Description The M120 Multiservice Edge router is a complete routing system that provides SONET/SDH, ATM, Ethernet, and channelized interfaces for large networks and network applications, such as those supported by Internet service providers (ISPs) and large enterprise customers.
  • Page 32: Appendix C M120 Router Environmental Specifications

    M120 Multiservice Edge Router Hardware Guide Related M120 Router Chassis Description on page 6 Documentation M120 Router Physical Specifications on page 225 M120 Router Environmental Specifications on page 227 M120 Router Power Requirements on page 237 Copyright © 2010, Juniper Networks, Inc.
  • Page 33: M120 Hardware Components

    M120 Component Redundancy on page 5 M120 Router Chassis Description on page 6 M120 Midplane Description on page 8 M120 Flexible PIC Concentrators (FPCs) Overview on page 9 M120 Compact FPCs (CFPCs) Overview on page 12 M120 FPCs and CFPCs Supported on page 14...
  • Page 34: M120 Router Chassis Description

    M120 Router Chassis Description on page 6 Documentation M120 Host Subsystem Description on page 18 M120 AC Power Supply Description on page 29 M120 DC Power Supply Description on page 31 M120 Cooling System Description on page 32 M120 Router Chassis Description The router chassis is a rigid sheet metal structure that houses all the other router components (see Figure 1 on page 7, Figure 2 on page 7, and Figure 3 on page 8).
  • Page 35: M120 Hardware Components

    Chapter 2: M120 Hardware Components Figure 1: Front View of a Fully Configured M120 Router Chassis Figure 2: Rear View of a Fully Configured AC-Powered M120 Router Chassis Copyright © 2010, Juniper Networks, Inc.
  • Page 36: M120 Midplane Description

    M120 Multiservice Edge Router Hardware Guide Figure 3: Rear View of a Fully Configured DC-Powered M120 Router Chassis For chassis serial number information , see “Displaying M120 Router Components and Serial Numbers” on page 257. Related M120 Router Physical Specifications on page 225...
  • Page 37: M120 Flexible Pic Concentrators (Fpcs) Overview

    Signal path—The midplane provides the signal path to the FPCs, FEBs, Routing Engines, CB, and other system components for monitoring and control of the system. Figure 4: M120 Midplane For chassis serial number information , see “Displaying M120 Router Components and Serial Numbers” on page 257. Related...
  • Page 38: Figure 5: Fpc And Cfpcs Installed In An M120 Router Chassis

    Engine downloads the FPC software, the FPC runs its diagnostics, and the PICs housed on the FPC, are enabled. Forwarding on other FPC slots continues uninterrupted during this process. Figure 5: FPC and CFPCs Installed in an M120 Router Chassis Copyright © 2010, Juniper Networks, Inc.
  • Page 39: Fpc Components

    ). The faceplates on the CFPCs are labeled with their CFPC type, FPC3 Ethernet 10GBASE OC192 Figure 6 on page 11 shows the three types of FPCs that the M120 router supports. Figure 6: FPC1, FPC2, and FPC3 for the M120 Router FPC Components Each FPC consists of the following components: FPC card carrier, which includes the PIC slots.
  • Page 40: M120 Compact Fpcs (Cfpcs) Overview

    Related M120 FPCs and CFPCs Supported on page 14 Documentation FPC LEDs on the M120 Craft Interface on page 27 Maintaining M120 FPCs and CFPCs on page 106 Troubleshooting M120 FPCs and CFPCs on page 121 Replacing an M120 FPC on page 152...
  • Page 41: Cfpc Components

    Figure 7: FPC and CFPCs Installed in an M120 Router Chassis Two CFPCs are available for the M120 router: a 10-Gigabit Ethernet CFPC and an OC192 CFPC. Each CFPC is rated at 10 Gbps full duplex. Both CFPCs provide receptacles for XFP optical transceivers.
  • Page 42: M120 Fpcs And Cfpcs Supported

    Replacing an M120 CFPC on page 157 M120 FPCs and CFPCs Supported M120 routers support the FPCs listed in Table 3 on page 14. You can install any combination of these FPCs in the M120 router. Table 3: FPCs Supported by the M120 Router...
  • Page 43: M120 Pics Description

    Chapter 2: M120 Hardware Components The M120 chassis provides two slots for CFPCs, and supports any combination of CFPC types. M120 routers support the CFPCs listed in Table 4 on page 15. Table 4: CFPCs Supported by the M120 Router...
  • Page 44: M120 Forwarding Engine Boards (Febs) Overview

    M120 Forwarding Engine Boards (FEBs) LEDs on page 17 M120 Forwarding Engine Boards (FEBs) Description The M120 router provides redundant Forwarding Engine Boards (FEBs). The FPC (the board that hosts the PICs) is separate from the FEB (the board that handles the packets).
  • Page 45: M120 Forwarding Engine Boards (Febs) Leds

    Chapter 2: M120 Hardware Components Three LEDs located on the FEB faceplate that display the status of the FEB. “M120 Forwarding Engine Boards (FEBs) LEDs” on page 17 describes the functions of the FEB LEDs. Six LEDs located on the FEB faceplate indicate which FPC the FEB is connected to,...
  • Page 46: M120 Host Subsystem Description

    Each host subsystem has three LEDs that display its status. The host subsystem LEDs are located in the middle of the craft interface. For more information about the host subsystem LEDs, see “Host Subsystem LEDs on the M120 Craft Interface” on page 26. The host subsystem consists of the following components:...
  • Page 47: Routing Engine Components

    Chapter 2: M120 Hardware Components NOTE: If two Routing Engines are installed, they must both be the same hardware model. There is a USB memory device that connects directly into the front of Routing Engine. The USB port allows you to plug in a USB keychain device.
  • Page 48: Routing Engine Boot Sequence

    DRAM), issue the show chassis routing-engine command. Figure 11: USB Memory Device in an M120 Routing Engine Routing Engine Boot Sequence The Routing Engine boots from the storage media in this order: the USB device, then the CompactFlash card (if present), then the hard disk, then the LAN.
  • Page 49: M120 Routing Engine Leds

    Maintaining the M120 Host Subsystem on page 104 Replacing an M120 Routing Engine on page 147 Routing Engine Interface Cable and Wire Specifications for the M120 Router on page 246 M120 Routing Engine LEDs Each Routing Engine has one LED that indicates its status. The LED, labeled...
  • Page 50: Cb Components

    Circuits for chassis management and control. Power circuits for the Routing Engine and CB. Offline button—Takes the CB offline when pressed. Related M120 Control Board (CB) LEDs on page 23 Documentation Maintaining the M120 Host Subsystem on page 104 Copyright © 2010, Juniper Networks, Inc.
  • Page 51: M120 Control Board (Cb) Leds

    M120 Craft Interface Overview M120 Craft Interface Description on page 23 Alarm LEDs and Alarm Cutoff/Lamp Test Button on the M120 Craft Interface on page 24 Routing Engine Interface Ports and Status Indicators on the M120 Craft Interface on page 25...
  • Page 52: Interface

    Both LEDs can be lit simultaneously. A condition that causes an LED to light also activates the corresponding alarm relay contact on the craft interface, as described in “Alarm Relay Contacts on the M120 Craft Interface” on page 28.
  • Page 53: Interface

    Related M120 Craft Interface Description on page 23 Documentation Routing Engine Interface Ports and Status Indicators on the M120 Craft Interface on page 25 External Clock Interface Ports on the M120 Craft Interface on page 25 Replacing the M120 Craft Interface on page 129...
  • Page 54: Host Subsystem Leds On The M120 Craft Interface

    External clock signal is validated or no external clock source is plugged into the port. Related RJ-45 Connector Pinouts for the M120 Routing Engine ETHERNET Port on page 247 Documentation RJ-45 Connector Pinouts for the Routing Engine AUX and CONSOLE Ports on page 248...
  • Page 55: Feb Leds On The M120 Craft Interface

    , are located on the lower right of the craft interface below the FEBS label. Table 11 on page 27 describes the functions of the FEB LEDs. Table 11: FEB LEDs on the M120 Craft Interface Label Color State Description...
  • Page 56: Power Supply Leds On The M120 Craft Interface

    M120 Craft Interface Description on page 23 Documentation Maintaining the M120 Power Supplies on page 115 Replacing Alarm Relay Wires on the M120 Craft Interface on page 133 M120 Power Supplies Overview M120 Power Supplies Description on page 29 M120 AC Power Supply Description on page 29...
  • Page 57: M120 Power Supplies Description

    M120 DC Power Supply LEDs on page 32 M120 Power Supplies Description The M120 router is configurable with either one or two AC or DC power supplies. The power supplies connect to the midplane, which distributes the different output voltages produced by the power supplies to the router components, depending on their voltage requirements.
  • Page 58: M120 Ac Power Supply Leds

    Maintaining the M120 Power Supplies on page 115 Replacing an M120 AC Power Supply on page 173 M120 AC Power, Connection, and Power Cord Specifications on page 231 M120 AC Power Supply LEDs The LED on each power supply faceplate indicates the status of the power supply (see Table 14 on page 30, which applies to the AC and DC power supply).
  • Page 59: M120 Dc Power Supply Description

    Maintaining the M120 Power Supplies on page 115 Replacing an M120 AC Power Supply on page 173 M120 AC Power, Connection, and Power Cord Specifications on page 231 M120 DC Power Supply Description In the DC power configuration, the router contains two DC power supplies (see Figure 15 on page 31), located in the right rear of the chassis in slots (left to right).
  • Page 60: M120 Dc Power Supply Leds

    To function properly, the entire cooling system requires an unobstructed airflow and proper clearance around the site, as described in “M120 Clearance Requirements for Airflow and Hardware Maintenance” on page 41. Copyright © 2010, Juniper Networks, Inc.
  • Page 61: Figure 16: Airflow Through The M120 Chassis

    Figure 17: M120 Front Fan Tray Figure 18: M120 Rear Fan Tray Related Troubleshooting the M120 Cooling System on page 120 Documentation Maintaining the M120 Air Filter on page 102 Replacing an M120 Air Filter on page 138...
  • Page 62: M120 Cable Management System Description

    This allows you to access the lower fan tray and the front air filter. Figure 19: M120 Cable Management System Related Maintaining M120 PICs and PIC Cables on page 112 Documentation Replacing an M120 PIC Cable on page 165...
  • Page 63: Setting Up The M120 Router

    Installing the M120 Router Mounting Hardware on page 49 Installing the M120 Router with a Lift on page 55 Installing the M120 Router Without a Mechanical Lift on page 59 Grounding the M120 Router on page 79 Connecting the M120 Router to External Devices on page 81...
  • Page 64 M120 Multiservice Edge Router Hardware Guide Copyright © 2010, Juniper Networks, Inc.
  • Page 65: Preparing The Site For M120 Router Installation

    M120 Cabinet Requirements on page 38 M120 Rack Mounting Requirements on page 39 M120 Clearance Requirements for Airflow and Hardware Maintenance on page 41 M120 Site Preparation Checklist The checklist in Table 15 on page 37 summarizes the tasks you need to perform when preparing a site for router installation.
  • Page 66: M120 Cabinet Requirements

    Installation Safety Warnings for M Series, MX Series, and T Series Routers on page 195 M120 Chassis Lifting Guidelines on page 195 M120 Cabinet Requirements M120 Cabinet Size and Clearance Requirements on page 38 M120 Cabinet Airflow Requirements on page 38 M120 Cabinet Size and Clearance Requirements The minimum size cabinet that can accommodate the router is 600 mm wide and 800 mm deep.
  • Page 67: M120 Rack Mounting Requirements

    Chapter 3: Preparing the Site for M120 Router Installation with removing the hot air exhaust. For an illustration of chassis airflow, see Figure 16 on page 33. Route and dress all cables to minimize the blockage of airflow to and from the chassis.
  • Page 68 Cabinets, Racks, Panels, and Associated Equipment (document number EIA-310-D) published by the Electronics Industry Association. You can stack four M120 routers in a rack that has at least 48 U (84 in. or 2.1 m) of usable vertical space.
  • Page 69: M120 Clearance Requirements For Airflow And Hardware Maintenance

    Installing the Mounting Hardware for a Front-Mount Open-Frame Rack on page 51 Installation Safety Warnings for M Series, MX Series, and T Series Routers on page 195 Installing the M120 Router Without Using a Mechanical Lift on page 69 M120 Clearance Requirements for Airflow and Hardware Maintenance...
  • Page 70: Figure 21: M120 Chassis Dimensions And Clearance Requirements

    Installing the Mounting Hardware for a Front-Mount Open-Frame Rack on page 51 Installation Safety Warnings for M Series, MX Series, and T Series Routers on page 195 Installing the M120 Router Without Using a Mechanical Lift on page 69 Copyright © 2010, Juniper Networks, Inc.
  • Page 71: Unpacking The M120 Router

    Installing the M120 Router Without Using a Mechanical Lift on page 69 Connect cables to the network and external devices. See “Connecting the M120 Router to Management and Alarm Devices” on page 81. Connect the grounding cable. Copyright © 2010, Juniper Networks, Inc.
  • Page 72: Tools And Parts Required To Unpack The M120 Router

    M120 Multiservice Edge Router Hardware Guide See “Connecting the Grounding Cable to the M120 Router” on page 79. Connect the AC power cord or DC power cables: Connecting Power to an AC-Powered M120 Router on page 89 Connecting Power to a DC-Powered M120 Router on page 91 Power on the router.
  • Page 73: Figure 22: Contents Of The M120 Shipping Container

    To proceed with the installation, see “Installing the M120 Router Using a Mechanical Lift” on page 55or “Installing the M120 Router Without Using a Mechanical Lift” on page 69. Figure 22: Contents of the M120 Shipping Container...
  • Page 74: Verifying M120 Parts Received

    Table 17 on page 46, and an accessory box, which contains the parts listed in Table 18 on page 47. The parts shipped with your router can vary. Table 17: Parts List for a Fully Configured M120 Router Component Quantity...
  • Page 75: Table 18: Accessory Box Parts List

    Chapter 4: Unpacking the M120 Router Table 17: Parts List for a Fully Configured M120 Router (continued) Component Quantity Large mounting shelf Small mounting shelf Spacer bars Blank panels for slots without components installed One blank panel for each slot not...
  • Page 76 Ethernet cable, RJ-45/RJ-45, 4-pair stranded UTP, Category 5E, 15' ESD wrist strap with cable Related M120 Router Chassis Description on page 6 Documentation M120 Router Installation Summary on page 43 M120 Site Preparation Checklist on page 37 Copyright © 2010, Juniper Networks, Inc.
  • Page 77: Installing The M120 Router Mounting Hardware

    CHAPTER 5 Installing the M120 Router Mounting Hardware Installing the Mounting Hardware for a Front-Mount Four-Post Rack or Cabinet on page 49 Installing the Mounting Hardware for a Front-Mount Open-Frame Rack on page 51 Installing the Mounting Hardware for a Center-Mount Open-Frame Rack on page 53...
  • Page 78 M120 Multiservice Edge Router Hardware Guide To install the mounting shelves and spacer bars (see Figure 23 on page 51): On the front rack rails, install cage nuts in the holes specified in Table 19 on page 49 for the large shelf and the spacer bars.
  • Page 79: Installing The Mounting Hardware For A Front-Mount Open-Frame Rack

    Chapter 5: Installing the M120 Router Mounting Hardware Figure 23: Installing the M120 Mounting Hardware for a Four-Post Rack or Cabinet Related M120 Rack Mounting Requirements on page 39 Documentation M120 Site Preparation Checklist on page 37 Installation Safety Warnings for M Series, MX Series, and T Series Routers on page 195...
  • Page 80: Table 20: Open-Frame Rack Mounting Hole Locations For The M120 Router

    M120 Multiservice Edge Router Hardware Guide Table 20: Open-Frame Rack Mounting Hole Locations for the M120 Router Hole Distance Above U Division Large Shelf 17.26 in. (43.8 cm) 9.86 U 15.51 in. (39.4 cm) 8.86 U 13.76 in. (34.9 cm) 7.86 U...
  • Page 81: Installing The Mounting Hardware For A Center-Mount Open-Frame Rack

    Chapter 5: Installing the M120 Router Mounting Hardware Figure 24: Installing the M120 Mounting Hardware for an Open-Frame Rack Related M120 Rack Mounting Requirements on page 39 Documentation M120 Site Preparation Checklist on page 37 Installation Safety Warnings for M Series, MX Series, and T Series Routers on page 195...
  • Page 82 Partially insert screws into the open holes in the ears of the large shelf. Tighten all the screws completely. Related M120 Rack Mounting Requirements on page 39 Documentation M120 Site Preparation Checklist on page 37 Installation Safety Warnings for M Series, MX Series, and T Series Routers on page 195...
  • Page 83: Installing The M120 Router With A Lift

    If you do not use a lift to install the router, refer to “Installing the M120 Router Without Using a Mechanical Lift” on page 69 for complete instructions to safely install the router.
  • Page 84 Ensure that the rack is in its permanent location and is secured to the building. Ensure that the installation site allows adequate clearance for both airflow and maintenance. For details, see “M120 Clearance Requirements for Airflow and Hardware Maintenance” on page 41.
  • Page 85: Installing The M120 Router With A Lift

    Chapter 6: Installing the M120 Router with a Lift Figure 25: Installing the M120 Router in the Rack NOTE: This illustration depicts the router being installed in an open-frame rack. For an illustration of the mounting hardware required for a four-post rack or cabinet, see Figure 23 on page 51.
  • Page 86 M120 Multiservice Edge Router Hardware Guide Copyright © 2010, Juniper Networks, Inc.
  • Page 87: Installing The M120 Router Without A Mechanical Lift

    Reinstalling Components in the Chassis After Installing the M120 Router Without a Mechanical Lift on page 71 Tools and Parts Required to Install the M120 Router Without a Mechanical Lift To install the router, you need the following tools and parts: Phillips (+) screwdrivers, numbers 1 and 2 3/8-in.
  • Page 88: Removing The Power Supplies

    M120 Multiservice Edge Router Hardware Guide cables to the router. Remove components from the chassis, first from the rear and then from the front. Removing the Power Supplies on page 60 Removing FEBs on page 61 Removing CBs on page 62...
  • Page 89: Removing Febs

    Chapter 7: Installing the M120 Router Without a Mechanical Lift Figure 26: Removing a Power Supply Before Installing the M120 Router CB 0 FEB 0 FEB 1 FEB 2 FEB 3 FEB 4 FEB 5 PEM 0 PEM 1 Removing FEBs Six FEBs are installed in the router.
  • Page 90: Removing Cbs

    Repeat the procedure for each of the remaining FEBs. Figure 27: Removing a FEB Before Installing the M120 Router Removing CBs The router can have one or two CBs. They are located in the right rear of the chassis in the slots marked .
  • Page 91: Removing A Fan Tray

    Chapter 7: Installing the M120 Router Without a Mechanical Lift CAUTION: Do not stack hardware components on one another after you remove them. Place each component on an antistatic mat resting on a stable, flat surface. Repeat the procedure for the second CB.
  • Page 92: Figure 29: Removing An Upper Front Fan Tray Before Installing The M120

    When the fans stop spinning, place one hand under the fan tray to support it and pull the fan tray completely out of the chassis. Figure 29: Removing an Upper Front Fan Tray Before Installing the M120 Router Copyright © 2010, Juniper Networks, Inc.
  • Page 93: Removing The Cable Management System

    Chapter 7: Installing the M120 Router Without a Mechanical Lift Figure 30: Removing a Lower Rear Fan Tray Before Installing the M120 Router Removing the Cable Management System The cable management system is located below the FPC card cage. The cable management system weighs approximately 5 lb (2.3 kg).
  • Page 94: Removing Fpcs

    M120 Multiservice Edge Router Hardware Guide Figure 31: Removing the Cable Management System Before Installing the M120 Router Removing FPCs The router holds up to four FPCs, which are installed vertically in the front of the router. An empty FPC weighs 9.0 lb (4.0 kg). A fully configured FPC can weigh up to 12.3 lb (5.6 kg).
  • Page 95: Removing A Cfpc

    Chapter 7: Installing the M120 Router Without a Mechanical Lift CAUTION: The weight of the FPC is concentrated in the back end. Be prepared to accept the full weight—up to 12.3 lb (5.6 kg)—as you slide the FPC out of the chassis.
  • Page 96: Figure 33: Removing A Cfpc Before Installing The M120 Router

    They cannot support its weight. Place each individual CFPC in an individual electrostatic bag or on its own antistatic mat on a flat, stable surface. Figure 33: Removing a CFPC Before Installing the M120 Router Related M120 Router Chassis Description on page 6...
  • Page 97: Installing The M120 Router Without Using A Mechanical Lift

    Before installing the router manually: Read the safety information in “M120 Chassis Lifting Guidelines” on page 195. Prepare your site and review the guidelines in “M120 Site Preparation Checklist” on page 37 Remove the router from the shipping container as described in “Unpacking the M120 Router”...
  • Page 98: Figure 34: Installing The M120 Router In The Rack

    Figure 34: Installing the M120 Router in the Rack Copyright © 2010, Juniper Networks, Inc.
  • Page 99: Mechanical Lift

    General Safety Warnings for M Series, MX Series, and T Series Routers on page 190 General Safety Guidelines for M Series, MX Series, and T Series Routers on page 189 Reinstalling Components in the Chassis After Installing the M120 Router Without a Mechanical Lift After the router is installed in the rack, you reinstall the removed components before booting and configuring the router.
  • Page 100: Reinstalling The Febs

    M120 Multiservice Edge Router Hardware Guide Figure 35: Reinstalling a CB After Installing the M120 Router Reinstalling the FEBs To reinstall the FEBs (see Figure 36 on page 73): Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to an approved site ESD grounding point.
  • Page 101: Reinstalling The Power Supplies

    Chapter 7: Installing the M120 Router Without a Mechanical Lift Figure 36: Reinstalling a FEB After Installing the M120 Router Reinstalling the Power Supplies Reinstall the left power supply first and then the right power supply. To reinstall AC or...
  • Page 102: Reinstalling Fpcs

    M120 Multiservice Edge Router Hardware Guide Figure 37: Reinstalling a Power Supply After Installing the M120 Router Reinstalling FPCs To reinstall an FPC (see Figure 38 on page 75): Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to an approved site ESD grounding point.
  • Page 103: Reinstalling A Cfpc

    Chapter 7: Installing the M120 Router Without a Mechanical Lift Grasp both ejector handles and rotate them simultaneously clockwise until the FPC is fully seated. Repeat the procedure to reinstall each remaining FPC. Figure 38: Reinstalling an FPC After Installing the M120 Router...
  • Page 104: Figure 39: Reinstalling A Cfpc After Installing The M120 Router

    You can also verify correct CFPC functioning by issuing the show chassis fpc command as described in “Maintaining M120 FPCs and CFPCs” on page 106. Figure 39: Reinstalling a CFPC After Installing the M120 Router Copyright © 2010, Juniper Networks, Inc.
  • Page 105: Reinstalling The Fan Trays

    Lower the cable management system back into position, if necessary. Repeat the procedure to reinstall the remaining fan trays. Figure 40: Reinstalling a Front Fan Tray After Installing the M120 Router Reinstalling the Cable Management System To reinstall the cable management system: Position the cable management system on the studs on the lower front of the chassis.
  • Page 106 M120 Multiservice Edge Router Hardware Guide Related M120 Router Chassis Description on page 6 Documentation M120 Router Installation Summary on page 43 Removing Components from the Chassis Before Installing the M120 Router Without a Mechanical Lift on page 59 Copyright © 2010, Juniper Networks, Inc.
  • Page 107: Grounding The M120 Router

    CHAPTER 8 Grounding the M120 Router Connecting the Grounding Cable to the M120 Router on page 79 Connecting the Grounding Cable to the M120 Router You ground the router by connecting a grounding cable to earth ground and then attaching it to the chassis grounding points using two screws.
  • Page 108: Figure 41: Connecting The Grounding Cable To The M120 Router

    M120 Multiservice Edge Router Hardware Guide Figure 41: Connecting the Grounding Cable to the M120 Router Related M120 Chassis Grounding Specifications on page 229 Documentation General Electrical Safety Warnings for M Series, MX Series, and T Series Routers on page 208...
  • Page 109: Connecting The M120 Router To External Devices

    Connecting the M120 Router to External Devices Tools and Parts Required to Connect the M120 Router on page 81 Connecting the M120 Router to Management and Alarm Devices on page 81 Connecting PIC Cables to the M120 Router on page 87...
  • Page 110: Figure 42: M120 Routing Engine Management Ports And Alarm Relay

    CIP. (For more information, see “M120 Craft Interface Description” on page 23.) After you have installed the router into the rack, attach one or more external devices to the ports on the CIP that connect to the Routing Engines for management and service operations (see Figure 42 on page 82).
  • Page 111: Figure 43: M120 Console And Auxiliary Serial Port Connector

    RJ-45 connector. One RJ-45/DB-9 cable is provided with the router. To connect a device to the other port, you must supply another cable. For cable specifications, see “Routing Engine Interface Cable and Wire Specifications for the M120 Router” on page 246.
  • Page 112: Connecting The M120 Router To A Network For In-Band Management

    One such cable is provided with the router. For cable specifications, see “Routing Engine Interface Cable and Wire Specifications for the M120 Router” on page 246. To connect the Routing Engine to a network for out-of-band management: Turn off the power to the management device.
  • Page 113: Connecting The M120 Router To An External Alarm-Reporting Device

    Chapter 9: Connecting the M120 Router to External Devices Figure 45: M120 Routing Engine Ethernet Cable Connector Figure 46: M120 Routing Engine External Device Ports Connecting the M120 Router to an External Alarm-Reporting Device To connect the router to external alarm-reporting devices, attach wires to the RED ALARM relay contacts on the craft interface.
  • Page 114: Figure 47: M120 Routing Engine Alarm Relay Contacts

    Plug the terminal block into the relay contact and use a 2.5-mm flat-blade screwdriver to tighten the screws on the face of the block. Attach the other end of the wires to the external device. Figure 47: M120 Routing Engine Alarm Relay Contacts Copyright © 2010, Juniper Networks, Inc.
  • Page 115: Connecting Pic Cables To The M120 Router

    208 Connecting PIC Cables to the M120 Router After installing the router into the rack as described in “Installing the M120 Router Using a Mechanical Lift” on page 55 or “Installing the M120 Router Without Using a Mechanical Lift” on page 69, complete the installation by connecting management and alarm devices, PICs, and power cables.
  • Page 116: Figure 48: Attaching A Cable To An M120 Pic

    Documentation Connecting the Grounding Cable to the M120 Router on page 79 Tools and Parts Required to Connect the M120 Router on page 81 General Electrical Safety Warnings for M Series, MX Series, and T Series Routers on page 208...
  • Page 117: Providing Power To The M120 Router

    “M120 AC Power, Connection, and Power Cord Specifications” on page 231 and “Connecting the Grounding Cable to the M120 Router” on page 79. To connect the AC power cords to the router for each power supply (see Figure 49 on...
  • Page 118: Figure 49: Connecting Ac Power To The M120 Router

    Related Installing an M120 AC Power Supply on page 175 Documentation Electrical Specifications for the M120 AC Power Supply on page 230 M120 AC Power Supply Description on page 29 M120 AC Power Supply LEDs on page 30 Copyright © 2010, Juniper Networks, Inc.
  • Page 119: Connecting Power To A Dc-Powered M120 Router

    To connect power to the router, you must provide power cables (cable lugs are supplied with the router). For power cable specifications, see “M120 DC Power, Connection, and Cable Specifications” on page 234. To connect the DC source power cables to the router: Ensure that the voltage across the DC power source cable leads is 0 V and that there is no chance that the cable leads might become active during installation.
  • Page 120: Powering On The M120 Router

    If the Routing Engine finishes booting and you need to power off the system again, see “Powering Off the M120 Router” on page 93. After a power supply is powered on, it can take up to 60 seconds for status indicators—such as the status LEDs on the power supply and the command...
  • Page 121: Powering Off The M120 Router

    M120 AC Power Supply Description on page 29 Documentation Connecting Power to an AC-Powered M120 Router on page 89 Connecting Power to a DC-Powered M120 Router on page 91 General Electrical Safety Warnings for M Series, MX Series, and T Series Routers on...
  • Page 122 M120 Multiservice Edge Router Hardware Guide Copyright © 2010, Juniper Networks, Inc.
  • Page 123: Configuring Junos Os

    The M120 router is shipped with the Junos OS preinstalled and ready to be configured when the M120 router is powered on. There are three copies of the software: one on a CompactFlash card in the Routing Engine, one on a rotating hard disk in the Routing Engine, and one on a PC Card that can be inserted into the slot in the Routing Engine faceplate.
  • Page 124 M120 Multiservice Edge Router Hardware Guide Start the CLI. root# cli root@> Enter configuration mode. cli> configure [edit] root@# Configure the name of the router. If the name includes spaces, enclose the name in quotation marks (“ ”). [edit] root@# set system host-name host-name Create a management console user account.
  • Page 125 (Optional) Configure additional properties by adding the necessary configuration statements. Then commit the changes to activate them on the router. [edit] root@host# commit When you have finished configuring the router, exit configuration mode. Copyright © 2010, Juniper Networks, Inc.
  • Page 126 If the router boots from an alternate boot device, the Junos OS displays a message indication this when you log in to the router. Related M120 Router Description on page 3 Documentation M120 Router Physical Specifications on page 225 Copyright © 2010, Juniper Networks, Inc.
  • Page 127: Hardware Maintenance, Troubleshooting, And Replacement Procedures

    PART 3 Hardware Maintenance, Troubleshooting, and Replacement Procedures Maintaining M120 Router Hardware Components on page 101 Troubleshooting M120 Hardware Components on page 117 Replacing M120 Hardware Components on page 127 Copyright © 2010, Juniper Networks, Inc.
  • Page 128 M120 Multiservice Edge Router Hardware Guide Copyright © 2010, Juniper Networks, Inc.
  • Page 129: Maintaining M120 Router Hardware Components

    CHAPTER 12 Maintaining M120 Router Hardware Components Tools and Parts Required to Maintain M120 Hardware Components on page 101 Routine Maintenance Procedures on the M120 Router on page 101 Maintaining the M120 Air Filter on page 102 Maintaining the M120 Fan Trays on page 102...
  • Page 130: Maintaining The M120 Air Filter

    M120 Air Filter” on page 102. Related M120 Router Chassis Description on page 6 Documentation M120 Clearance Requirements for Airflow and Hardware Maintenance on page 41 Maintaining the M120 Air Filter Purpose For optimum cooling, verify the condition of the air filters.
  • Page 131 Chapter 12: Maintaining M120 Router Hardware Components of the remaining fans to maintain proper cooling. A red alarm is triggered when a fan fails, and a yellow alarm is triggered when a fan tray is removed. To display the status of the cooling system, issue the show chassis environment command.
  • Page 132: Maintaining The M120 Host Subsystem

    On a regular basis: Check the LEDs on the craft interface to view information about the status of the Routing Engines. For more information about the LEDs and the display, see “M120 Craft Interface Description” on page 23. Check the LEDs on the CB faceplate to see information about them.
  • Page 133 Chapter 12: Maintaining M120 Router Hardware Components Idle 93 percent Model RE-A-2000 Serial ID 1000642871 Start time 2006-08-29 10:06:11 PDT Uptime 57 minutes, 49 seconds Load averages: 1 minute 5 minute 15 minute 0.00 0.03 0.00 Routing Engine status: Slot 1:...
  • Page 134: Maintaining M120 Fpcs And Cfpcs

    Check the LEDs on the craft interface directly above each FPC slot. The green LED labeled lights steadily when an FPC is functioning normally. For more information, see “FPC LEDs on the M120 Craft Interface” on page 27. Issue the CLI command to check the status of installed FPCs. As...
  • Page 135: Holding An M120 Fpc

    Chapter 12: Maintaining M120 Router Hardware Components Replacing an M120 FPC on page 152 Replacing an M120 CFPC on page 157 Troubleshooting M120 FPCs and CFPCs on page 121 Holding an M120 FPC Many components on the FPC are fragile. Follow these procedures and guidelines to avoid damaging the FPCs.
  • Page 136: Figure 51: Holding An M120 Fpc Vertically

    M120 Multiservice Edge Router Hardware Guide Figure 51: Holding an M120 FPC Vertically If the FPC is horizontal before you grasp it, place your left hand around the faceplate and your right hand along the bottom edge. To hold an FPC horizontally (see Figure 52 on page 108): Orient the FPC so that the faceplate faces you.
  • Page 137: Figure 53: Do Not Grasp The Connector Edge

    Chapter 12: Maintaining M120 Router Hardware Components Figure 53: Do Not Grasp the Connector Edge Copyright © 2010, Juniper Networks, Inc.
  • Page 138: Figure 54: Do Not Carry An Fpc With Only One Hand

    M120 Multiservice Edge Router Hardware Guide Never carry the FPC by the faceplate with only one hand (see Figure 54 on page 110). Figure 54: Do Not Carry an FPC with Only One Hand Copyright © 2010, Juniper Networks, Inc.
  • Page 139: Storing An M120 Fpc

    If you must rest the FPC temporarily on an edge while changing its orientation between vertical and horizontal, use your hand as a cushion between the edge and the surface. Related M120 Flexible PIC Concentrators (FPCs) Overview on page 9 Documentation Replacing an M120 FPC on page 152...
  • Page 140: Maintaining M120 Pics And Pic Cables

    Some PICs have additional LEDs, often one per port. The meaning of the LED states differs for various PICs. For more information, see the M120 PIC Guide. If the FPC that houses the PIC detects a PIC failure, the FPC generates an alarm message to be sent to the Routing Engine.
  • Page 141: Maintaining The M120 Febs

    Related M120 PICs Description on page 15 Documentation Replacing an M120 PIC on page 161 Replacing an M120 PIC Cable on page 165 Troubleshooting M120 PICs on page 122 Maintaining the M120 FEBs Purpose For optimum cooling, verify the condition of the FEBs.
  • Page 142 M120 Multiservice Edge Router Hardware Guide Action On a regular basis: Check the LEDs on the FEB faceplate. For more information on the FEB LEDs, see Table 5 on page 17. Check the FEB LEDs on the craft interface to view information; see Table 11 on page 27.
  • Page 143: Maintaining The M120 Power Supplies

    For more information about FEB redundancy groups and FPC-to-FEB connectivity, see the Junos OS System Basics Configuration Guide. Related M120 Forwarding Engine Boards (FEBs) Description on page 16 Documentation Replacing an M120 FEB on page 149 Troubleshooting M120 FEBs on page 122...
  • Page 144 For more information about the power supply LEDs, see “M120 AC Power Supply LEDs” on page 30 and “M120 DC Power Supply LEDs” on page 32. Check the red and yellow alarm LEDs on the craft interface. Power supply failure or removal triggers an alarm that causes one or both of the LEDs to light.
  • Page 145: Troubleshooting M120 Hardware Components

    Troubleshooting M120 FPCs and CFPCs on page 121 Troubleshooting M120 PICs on page 122 Troubleshooting M120 FEBs on page 122 Troubleshooting an M120 FEB When a Chassis Alarm Is Lit Upon Initial Startup or Removal on page 124 Troubleshooting the M120 Power System on page 124...
  • Page 146: Troubleshooting Using The Chassis And Interface Alarm Messages

    The craft interface is located at the top of the chassis above the FPC card cage. For more information about using the craft interface, see “M120 Craft Interface Description” on page 23. LEDs on the craft interface include the following:...
  • Page 147: Component Leds

    Alarm LEDs—One large red circular LED and one large yellow triangular LED, located on the upper upper left of the craft interface, indicate two levels of alarm conditions. See “Alarm LEDs and Alarm Cutoff/Lamp Test Button on the M120 Craft Interface” on page 24.
  • Page 148: Troubleshooting The M120 Cooling System

    M120 Multiservice Edge Router Hardware Guide See “M120 DC Power Supply LEDs” on page 32 or “M120 AC Power Supply LEDs” on page 30. Troubleshooting the M120 Cooling System Problem The fans in a fan tray are not functioning normally. During normal operation, the fans in each fan tray function at less than full speed.
  • Page 149: Troubleshooting M120 Fpcs And Cfpcs

    For further description of the output from the commands, see the Junos OS System Basics and Services Command Reference. Related M120 Flexible PIC Concentrators (FPCs) Overview on page 9 Documentation M120 Compact FPCs (CFPCs) Overview on page 12 Maintaining M120 FPCs and CFPCs on page 106...
  • Page 150: Troubleshooting M120 Pics

    4x CHDS3 IQ NOTE: If a PIC does not come online as expected, check the assigned FEB, as described in “Troubleshooting M120 FEBs” on page 122. For further description of the output from the command, see the Junos OS System Basics and Services Command Reference.
  • Page 151 Chapter 13: Troubleshooting M120 Hardware Components Make sure the FEB is properly seated in the midplane. Check that each ejector handle is fully engaged and flush with the FEB bulkhead. Issue the CLI command to check the status of each of the installed show chassis feb FEBs.
  • Page 152: Or Removal

    Documentation Maintaining the M120 FEBs on page 113 Replacing an M120 FEB on page 149 Troubleshooting an M120 FEB When a Chassis Alarm Is Lit Upon Initial Startup or Removal Problem An FPC is mapped to an empty FEB slot, the red alarm LED on the chassis is lit:...
  • Page 153: Troubleshooting Using The Juniper Networks Technical Assistance Center

    Juniper Networks, Inc.” on page 264. If you cannot determine the cause of the problem or need additional assistance, see “Troubleshooting Using the Juniper Networks Technical Assistance Center” on page 118. Related M120 AC Power Supply Description on page 29...
  • Page 154 M120 Multiservice Edge Router Hardware Guide Copyright © 2010, Juniper Networks, Inc.
  • Page 155: Replacing M120 Hardware Components

    Table 21 on page 128 lists the FRUs for the M120 router. If the router contains a redundant host subsystem, the Control Board (CB) and the Routing Engine are hot-removable and hot-insertable.
  • Page 156: Tools And Parts Required To Replace M120 Components

    M120 Router Chassis Description on page 6 Documentation Overview of Troubleshooting Resources for the M120 Router on page 117 Tools and Parts Required to Replace M120 Components To replace hardware components, you need the tools and parts listed in Table 22 on page 128.
  • Page 157: Replacing The M120 Craft Interface

    Documentation M120 Router Chassis Description on page 6 Overview of Troubleshooting Resources for the M120 Router on page 117 Replacing the M120 Craft Interface The craft interface is located above the FPC card cage, as shown in Figure 1 on page 7.
  • Page 158: Removing The M120 Craft Interface

    NOTE: Removing the front upper fan tray before you remove the craft interface makes it easier to grasp the craft interface as you remove it. For instructions on removing a front fan tray, see “Replacing an M120 Fan Tray” on page 134.
  • Page 159: Installing The M120 Craft Interface

    Figure 57: Installing the M120 Craft Interface Related Preventing Electrostatic Discharge Damage to an M120 Router on page 192 Documentation M120 Craft Interface Description on page 23 Alarm Relay Contacts on the M120 Craft Interface on page 28...
  • Page 160: Replacing Connections To M120 Routing Engine Interface Ports

    To replace the cables that connect to the ports: Replacing the Management Ethernet Cable on the M120 Routing Engine on page 132 Replacing the Console or Auxiliary Cable on the M120 Routing Engine on page 133 Replacing Alarm Relay Wires on the M120 Craft Interface on page 133 Replacing the Management Ethernet Cable on the M120 Routing Engine For cable specifications, see “Routing Engine Interface Cable and Wire Specifications for...
  • Page 161: Replacing The Console Or Auxiliary Cable On The M120 Routing Engine

    RJ-45 connector. One RJ-45/DB-9 cable is provided with the router. To connect a device to the other port, you must supply another cable. For cable specifications, see “Routing Engine Interface Cable and Wire Specifications for the M120 Router” on page 246.
  • Page 162: Replacing M120 Cooling System Components

    M120 Fast Ethernet PIC 48-Port Cable Pinouts on page 254 Preventing Electrostatic Discharge Damage to an M120 Router on page 192 Routing Engine Interface Ports and Status Indicators on the M120 Craft Interface on page 25 Replacing M120 Cooling System Components...
  • Page 163: Figure 63: Removing An M120 Upper Front Fan Tray

    When the fans stop spinning, place one hand under the fan tray to support it and pull the fan tray completely out of the chassis. Figure 63: Removing an M120 Upper Front Fan Tray Copyright © 2010, Juniper Networks, Inc.
  • Page 164: Installing An M120 Fan Tray

    M120 Multiservice Edge Router Hardware Guide Figure 64: Removing an M120 Lower Rear Fan Tray Installing an M120 Fan Tray To install a fan tray (see Figure 65 on page 137 and Figure 66 on page 137): Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to one of the ESD points on the chassis.
  • Page 165: Figure 65: Installing An M120 Upper Front Fan Tray

    Chapter 14: Replacing M120 Hardware Components Figure 65: Installing an M120 Upper Front Fan Tray Figure 66: Installing an M120 Lower Rear Fan Tray Copyright © 2010, Juniper Networks, Inc.
  • Page 166: Replacing An M120 Air Filter

    Related M120 Cooling System Description on page 32 Documentation Maintaining the M120 Fan Trays on page 102 Troubleshooting the M120 Cooling System on page 120 Replacing an M120 Air Filter The router has one air filter that installs horizontally below the front lower fan tray within the air intake plenum.
  • Page 167: Installing The M120 Air Filter

    Lower the cable management system back into position. Rearrange the PIC cables in the cable management system. For more information about proper cable arrangement, see “Maintaining M120 PICs and PIC Cables” on page 112. Copyright © 2010, Juniper Networks, Inc.
  • Page 168: Replacing M120 Host Subsystem Components

    Taking the M120 Host Subsystem Offline on page 140 Replacing an M120 CB on page 143 Replacing a DIMM Module in M120 Routing Engines on page 145 Replacing an M120 Routing Engine on page 147 Taking the M120 Host Subsystem Offline The host subsystem is taken offline and brought online as a unit.
  • Page 169: Table 23: Effect Of Taking The M120 Host Subsystem Offline

    Table 23 on page 141 explains the effect of taking the host subsystem offline. Table 23: Effect of Taking the M120 Host Subsystem Offline Type of Host Subsystem...
  • Page 170 Configuration Guide. NOTE: The first supported release for graceful Routing Engine switchover and nonstop active routing on the M120 router is Junos OS Release 8.2 and Junos OS Release 9.0, respectively. Graceful restart software requirements are dependent on the routing protocols configured on the router. For the minimum software requirements for graceful restart, see the Junos OS High Availability Configuration Guide.
  • Page 171: Replacing An M120 Cb

    CAUTION: Before you replace a CB, you must take the host subsystem offline. If there is only one host subsystem, taking the host subsystem offline shuts down the router. See “Taking the M120 Host Subsystem Offline” on page 140. CAUTION: If the CB to be replaced is associated with the Routing Engine currently functioning as the master Routing engine, switch it to the backup before removing the CB.
  • Page 172: Installing An M120 Cb

    M120 Multiservice Edge Router Hardware Guide Figure 69: Removing an M120 CB Installing an M120 CB To install a CB (see Figure 70 on page 145): Attach an electrostatic discharge (ESD) grounding strap to your bare wrist and connect the strap to an approved site ESD grounding point. See the instructions for your site.
  • Page 173: Replacing A Dimm Module In M120 Routing Engines

    Chapter 14: Replacing M120 Hardware Components Figure 70: Installing an M120 CB Related M120 Control Board (CB) Description on page 21 Documentation M120 Control Board (CB) LEDs on page 23 Replacing a DIMM Module in M120 Routing Engines Removing a M120 DIMM Module on page 145...
  • Page 174: Installing A M120 Dimm Module

    You can view the the SDRAM configuration and verify the DIMM was installed correctly by issuing the command. show chassis routing-engine Figure 71: Installing the DIMM Module Related M120 Routing Engine Description on page 18 Documentation Replacing an M120 Routing Engine on page 147 Copyright © 2010, Juniper Networks, Inc.
  • Page 175: Replacing An M120 Routing Engine

    “Taking the M120 Host Subsystem Offline” on page 140. To remove a Routing Engine from a CB (see Figure 72 on page 148): Take the host subsystem offline as described in “Taking the M120 Host Subsystem Offline” on page 140.
  • Page 176: Installing An M120 Routing Engine

    M120 Multiservice Edge Router Hardware Guide Figure 72: Removing an M120 Routing Engine Installing an M120 Routing Engine To install a Routing Engine into a CB (see Figure 73 on page 149): Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to one of the ESD points on the chassis.
  • Page 177: Replacing Packet Forwarding Engine Components

    Related M120 Routing Engine Description on page 18 Documentation Routing Engine Interface Ports and Status Indicators on the M120 Craft Interface on page 25 Replacing Packet Forwarding Engine Components For instructions on replacing Packet Forwarding Engine components, see the following...
  • Page 178: Figure 74: Removing An M120 Feb

    M120 Multiservice Edge Router Hardware Guide To remove a FEB (see Figure 74 on page 150): Place an electrostatic bag or antistatic mat on a flat, stable surface. Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to one of the ESD points on the chassis.
  • Page 179: Installing An M120 Feb

    LED should light steadily a few minutes after the FEB is installed. If the FAIL LED is lit steadily, remove and install the FEB again (see “Removing an M120 FEB” on page 149). If the LED still lights steadily, the FEB is not functioning properly. Contact FAIL your customer support representative.
  • Page 180: Replacing An M120 Fpc

    M120 Multiservice Edge Router Hardware Guide Related M120 Forwarding Engine Boards (FEBs) Description on page 16 Documentation M120 Forwarding Engine Boards (FEBs) LEDs on page 17 Maintaining the M120 FEBs on page 113 Troubleshooting M120 FEBs on page 122 Replacing an M120 FPC The FPCs are hot-insertable and hot-removable.
  • Page 181 If necessary, remove each installed PIC from the FPC. For information on removing a PIC, see “Removing an M120 PIC” on page 161. After you remove each PIC, immediately place it on an antistatic mat or in an electrostatic bag.
  • Page 182: Installing An M120 Fpc

    Install each PIC into the appropriate slot on the FPC. For information on installing a PIC, see “Installing an M120 PIC” on page 162. Locate the slot in the FPC card cage in which you plan to install the FPC.
  • Page 183 Chapter 14: Replacing M120 Hardware Components CAUTION: When the FPC is out of the chassis, do not hold it by the ejector handles, bus bars, or edge connectors. They cannot support its weight. Slide the FPC all the way into the card cage until you feel resistance.
  • Page 184: Figure 77: Installing An M120 Fpc

    “Maintaining M120 FPCs and CFPCs” show chassis fpc pic-status on page 106 and “Maintaining M120 PICs and PIC Cables” on page 112. Figure 77: Installing an M120 FPC Copyright © 2010, Juniper Networks, Inc.
  • Page 185: Replacing An M120 Cfpc

    Chapter 14: Replacing M120 Hardware Components Figure 78: Connecting Fiber-Optic Cable to an M120 PIC Related M120 Flexible PIC Concentrators (FPCs) Overview on page 9 Documentation Troubleshooting M120 FPCs and CFPCs on page 121 Replacing an M120 CFPC The router holds up to two CFPCs, which are installed vertically in the front of the router.
  • Page 186 M120 Multiservice Edge Router Hardware Guide For more information about the command, see the Junos OS System Basics and Services Command Reference. Remove the cable from the transceiver on the CFPC faceplate. Pull the lower end of the ejector lever away from the CFPC faceplate to unseat the CFPC.
  • Page 187: Installing An M120 Cfpc

    Chapter 14: Replacing M120 Hardware Components Figure 79: Removing an M120 CFPC Installing an M120 CFPC To install a CFPC (see Figure 80 on page 160): Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to one of the ESD points on the chassis.
  • Page 188: Figure 80: Installing An M120 Cfpc

    You can also verify correct CFPC functioning by issuing the command show chassis fpc as described in “Maintaining M120 FPCs and CFPCs” on page 106. Figure 80: Installing an M120 CFPC Related M120 Compact FPCs (CFPCs) Overview on page 12...
  • Page 189: Replacing An M120 Pic

    PICs are hot-insertable and hot-removable. When you remove a PIC, the router continues to function, although the PIC interfaces being removed no longer function. To replace a PIC, perform the following procedures: Removing an M120 PIC on page 161 Installing an M120 PIC on page 162 Removing an M120 PIC The PICs are located in the FPCs installed in the front of the router.
  • Page 190: Installing An M120 Pic

    M120 Multiservice Edge Router Hardware Guide Arrange the cable in the cable management system to prevent it from dislodging or developing stress points. Secure the cable so that it is not supporting its own weight as it hangs to the floor. Place excess cable out of the way in a neatly coiled loop in the cable management system.
  • Page 191 Chapter 14: Replacing M120 Hardware Components Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to one of the ESD points on the chassis. If the PIC uses fiber-optic cable, verify that there is a rubber safety cap over each transceiver on the faceplate.
  • Page 192: Figure 82: Installing An M120 Pic

    The normal functioning status LED confirms that the PIC is online. You can also verify correct PIC functioning by issuing the show chassis fpc pic-status command described in “Maintaining M120 PICs and PIC Cables” on page 112. Figure 82: Installing an M120 PIC Copyright © 2010, Juniper Networks, Inc.
  • Page 193: Replacing An M120 Pic Cable

    Related M120 PICs Description on page 15 Documentation Maintaining M120 PICs and PIC Cables on page 112 Troubleshooting M120 PICs on page 122 Replacing an M120 PIC Cable Removing and installing PIC cables does not affect router function, except that a PIC does not receive or transmit data while its cable is disconnected.
  • Page 194: Installing An M120 Pic Cable

    M120 Multiservice Edge Router Hardware Guide CAUTION: Do not leave a fiber-optic transceiver uncovered except when inserting or removing cable. The safety cap keeps the port clean and prevents accidental exposure to laser light. Remove the cable from the cable management system and detach it from the destination port.
  • Page 195: Figure 83: Connecting Fiber-Optic Cable To An M120 Pic

    The normal functioning indicator LED confirms that the PIC is online. You can also verify correct PIC functioning by issuing the command show chassis fpc pic-status described in “Maintaining M120 PICs and PIC Cables” on page 112. Figure 83: Connecting Fiber-Optic Cable to an M120 PIC Related M120 PICs Description on page 15...
  • Page 196: Replacing An Sfp Or Xfp Transceiver

    Removing an SFP or XFP Transceiver Small form-factor pluggables (SFPs) are optical transceivers that can be removed from a PIC (for more information, see “M120 PICs Description” on page 15). SFPs and XFPs are hot-insertable and hot-removable. Removing an SFP or XFP does not interrupt PIC functioning, but the removed SFP or XFP no longer receives or transmits data.
  • Page 197: Installing An Sfp Or Xfp Transceiver

    Using your fingers, grasp the body of the transceiver and pull it the rest of the way out of the PIC or CFPC. Figure 84: Removing M120 SFPs or XFPs Place a rubber safety cap over the transceiver. Place the removed transceiver on an antistatic mat or in an electrostatic bag.
  • Page 198: Replacing An M120 Xenpak Module

    Verify that the status LEDs on the PIC faceplate indicate that the SFP or XFP is functioning correctly. For more information about the PIC LEDs, see the PIC description for the PIC in the M120 PIC Guide. You can also verify PIC functioning by issuing the show chassis fpc pic-status command described in “Maintaining M120 PICs and PIC...
  • Page 199: Installing An M120 Xenpak Module

    Slide the module out of the PIC and place it in the electrostatic bag or on the antistatic mat. Figure 85: Removing a M120 XENPAK Module Installing an M120 XENPAK Module To install a replacement XENPAK module (see Figure 86 on page 173): Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to one of the ESD points on the chassis.
  • Page 200 Verify that the status LEDs on the PIC faceplate indicate that the XENPAK module is functioning correctly. For more information about the PIC LEDs, see the M120 PIC Guide You can also verify PIC functioning by issuing the show chassis fpc pic-status command described in “Maintaining M120 PICs and PIC Cables”...
  • Page 201: Replacing M120 Power System Components

    Related M120 Router Chassis Description on page 6 Documentation Overview of Troubleshooting Resources for the M120 Router on page 117 Replacing M120 Power System Components To replace a power system component, perform the following procedures: Replacing an M120 AC Power Supply on page 173...
  • Page 202: Removing An M120 Ac Power Supply

    If you remove a power supply, you must install a replacement power supply or a blank panel shortly after the removal. Removing an M120 AC Power Supply on page 174 Installing an M120 AC Power Supply on page 175...
  • Page 203: Installing An M120 Ac Power Supply

    Chapter 14: Replacing M120 Hardware Components Figure 87: Removing an M120 AC Power Supply Figure 88: Rear of the M120 Power Supply Showing Midplane Connector Installing an M120 AC Power Supply To install an AC power supply (see Figure 89 on page 177): Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to one of the ESD points on the chassis.
  • Page 204 “M120 Router Power Requirements” on page 237. For information about connecting the router to power and ground, see “Connecting Power to an AC-Powered M120 Router” on page 89. Switch the power switch on the power supply faceplate to the on position ( ).
  • Page 205: Replacing An M120 Dc Power Supply

    Documentation Maintaining the M120 Power Supplies on page 115 Electrical Specifications for the M120 AC Power Supply on page 230 Replacing an M120 DC Power Supply In the DC power configuration, the router contains two DC power supplies (see Figure 15 on page 31), located in the right rear of the chassis in slots (left to right).
  • Page 206: Removing An M120 Dc Power Supply

    Remove the nut and washer from the terminal studs (see Figure 90 on page 178). (Use a 3/8-in. nut driver or pliers.) Figure 90: Disconnecting Power Cables from the M120 DC Power Supply Remove the cable lugs from the terminal studs.
  • Page 207: Figure 91: Removing An M120 Dc Power Supply

    CAUTION: Each power supply weighs approximately 8.4 lb (3.8 kg). Be prepared to support the full weight of the power supply as you remove it from the router. Figure 91: Removing an M120 DC Power Supply Copyright © 2010, Juniper Networks, Inc.
  • Page 208: Installing An M120 Dc Power Supply

    –48V NOTE: For information about connecting to DC power sources, see “M120 DC Power, Connection, and Cable Specifications” on page 234. Secure the power cable lugs to the terminal studs, first with the flat washer, then with the nut. Apply between 12 lb-in. (1.4 Nm) and 15 lb-in. (1.7 Nm) of torque to each nut (see Figure 93 on page 182).
  • Page 209: Figure 92: Installing An M120 Dc Power Supply

    Chapter 14: Replacing M120 Hardware Components NOTE: For information about connecting to external DC power sources, see “M120 DC Power, Connection, and Cable Specifications” on page 234. Switch the power switch on the power supply faceplate to the on position ( ).
  • Page 210: Replacing An M120 Ac Power Supply Cord

    M120 Multiservice Edge Router Hardware Guide Figure 93: Connecting Power Cables to the M120 DC Power Supply Related M120 DC Power Supply Description on page 31 Documentation Electrical Specifications for the M120 DC Power Supply on page 233 Maintaining the M120 Power Supplies on page 115...
  • Page 211: Replacing An M120 Dc Power Supply Cable

    Replacing an M120 DC Power Supply Cable To replace a power cable for a DC power supply: Locate a replacement power cable that meets the specifications defined in “M120 DC Power, Connection, and Cable Specifications” on page 234. CAUTION: A licensed electrician must attach a cable lug to the power cable that you supply.
  • Page 212 Related M120 DC Power Supply Description on page 31 Documentation Electrical Specifications for the M120 DC Power Supply on page 233 Maintaining the M120 Power Supplies on page 115 Copyright © 2010, Juniper Networks, Inc.
  • Page 213: Appendixes

    M120 Router Environmental Specifications on page 227 Power Guidelines, Requirements, and Specifications for the M120 Router on page 229 Cable and Wire Guidelines and Specifications for the M120 Router on page 241 M120 Cable Connector Pinouts on page 247 Contacting Customer Support and Returning M120 Hardware on page 257...
  • Page 214 M120 Multiservice Edge Router Hardware Guide Copyright © 2010, Juniper Networks, Inc.
  • Page 215: Appendix A Safety And Regulatory Compliance Information For The M120 Router

    Fire Safety Requirements for M Series, MX Series, and T Series Routers on page 193 M120 Router Installation Safety Guidelines and Warnings on page 194 Laser and LED Safety Guidelines and Warnings for the M120 Router on page 200 Maintenance and Operational Safety Warnings for M Series, MX Series, and T Series...
  • Page 216 M120 Multiservice Edge Router Hardware Guide WARNING: This 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.
  • Page 217: General Safety Guidelines For M Series, Mx Series, And T Series Routers

    Appendix A: Safety and Regulatory Compliance Information for the M120 Router Varning! Denna varningssymbol signalerar fara. Du befinner dig i en situation som kan leda till personskada. Innan du utför arbete på någon utrustning måste du vara medveten om farorna med elkretsar och känna till vanligt förfarande för att förebygga skador.
  • Page 218: General Safety Warnings For M Series, Mx Series, And T Series Routers

    M120 Multiservice Edge Router Hardware Guide Do not push or force any objects through any opening in the chassis frame. Such an action could result in electrical shock or fire. Avoid spilling liquid onto the chassis or onto any router component. Such an action could cause electrical shock or damage the router.
  • Page 219: Restricted Access Area Warning

    Appendix A: Safety and Regulatory Compliance Information for the M120 Router Restricted Access Area Warning WARNING: The router is intended for installation in restricted access areas. A restricted access area is an area to which access can be gained only by...
  • Page 220: Preventing Electrostatic Discharge Damage To An M120 Router

    DC Power Electrical Safety Warnings for M Series, MX Series, and T Series Routers on page 214 Preventing Electrostatic Discharge Damage to an M120 Router Many router hardware components are sensitive to damage from static electricity. Some components can be impaired by voltages as low as 30 V. You can easily generate potentially damaging static voltages whenever you handle plastic or foam packing material or if you move components across plastic or carpets.
  • Page 221: Fire Safety Requirements For M Series, Mx Series, And T Series Routers

    Documentation General Safety Warnings for M Series, MX Series, and T Series Routers on page 190 AC Power Electrical Safety Guidelines for the M120 Router on page 213 DC Power Electrical Safety Guidelines for the M120 on page 217 Fire Safety Requirements for M Series, MX Series, and T Series Routers...
  • Page 222: Fire Suppression Equipment

    NOTE: To keep warranties effective, do not use a dry chemical fire extinguisher to control a fire at or near a Juniper Networks router. If a dry chemical fire extinguisher is used, the unit is no longer eligible for coverage under a service agreement.
  • Page 223: M120 Chassis Lifting Guidelines

    The weight of a fully configured chassis is about 225 lb (102.1 kg). Observe these guidelines for lifting and moving the router: Before moving the router, read the guidelines in “M120 Site Preparation Checklist” on page 37 to verify that the intended site meets the specified power, environmental, and clearance requirements.
  • Page 224: Rack-Mounting Requirements And Warnings

    M120 Multiservice Edge Router Hardware Guide Avvertenza Consultare le istruzioni di installazione prima di collegare il sistema all'alimentatore. Advarsel Les installasjonsinstruksjonene før systemet kobles til strømkilden. Aviso Leia as instruções de instalação antes de ligar o sistema à sua fonte de energia.
  • Page 225 Appendix A: Safety and Regulatory Compliance Information for the M120 Router Wanneer u dit toestel in een gedeeltelijk gevuld rek monteert, dient u het rek van onderen naar boven te laden met het zwaarste onderdeel onderaan in het rek. Als het rek voorzien is van stabiliseringshulpmiddelen, dient u de stabilisatoren te monteren voordat u het toestel in het rek monteert of het daar een servicebeurt geeft.
  • Page 226 M120 Multiservice Edge Router Hardware Guide Bei Anbringung dieser Einheit in einem zum Teil gefüllten Gestell ist das Gestell von unten nach oben zu laden, wobei das schwerste Bauteil unten im Gestell anzubringen ist. Wird das Gestell mit Stabilisierungszubehör geliefert, sind zuerst die Stabilisatoren zu installieren, bevor Sie die Einheit im Gestell anbringen oder sie warten.
  • Page 227: Ramp Warning

    Appendix A: Safety and Regulatory Compliance Information for the M120 Router Ao montar esta unidade numa estante parcialmente ocupada, coloque os itens mais pesados na parte inferior da estante, arrumando-os de baixo para cima. Se a estante possuir um dispositivo de estabilização, instale-o antes de montar ou reparar a unidade.
  • Page 228: Laser And Led Safety Guidelines And Warnings For The M120 Router

    Maintenance and Operational Safety Warnings for M Series, MX Series, and T Series Routers on page 203 Laser and LED Safety Guidelines and Warnings for the M120 Router General Laser Safety Guidelines for the M120 Router on page 200 M120 Laser and LED Safety Warnings on page 201...
  • Page 229: M120 Laser And Led Safety Warnings

    Appendix A: Safety and Regulatory Compliance Information for the M120 Router M120 Laser and LED Safety Warnings Class 1 Laser Product Warning on page 201 Class 1 LED Product Warning on page 201 Laser Beam Warning on page 202 Radiation from Open Port Apertures Warning on page 202 Class 1 Laser Product Warning WARNING: Class 1 laser product.
  • Page 230: Laser Beam Warning

    M120 Multiservice Edge Router Hardware Guide Laser Beam Warning WARNING: Do not stare into the laser beam or view it directly with optical instruments. Waarschuwing Niet in de straal staren of hem rechtstreeks bekijken met optische instrumenten. Varoitus Älä katso säteeseen äläkä tarkastele sitä suoraan optisen laitteen avulla.
  • Page 231: Series Routers

    Appendix A: Safety and Regulatory Compliance Information for the M120 Router Warnung Aus der Port-Öffnung können unsichtbare Strahlen emittieren, wenn kein Glasfaserkabel angeschlossen ist. Vermeiden Sie es, sich den Strahlungen auszusetzen, und starren Sie nicht in die Öffnungen! Avvertenza Quando i cavi in fibra non sono inseriti, radiazioni invisibili possono essere emesse attraverso l'apertura della porta.
  • Page 232: Jewelry Removal Warning

    M120 Multiservice Edge Router Hardware Guide Waarschuwing Er is ontploffingsgevaar als de batterij verkeerd vervangen wordt. Vervang de batterij slechts met hetzelfde of een equivalent type dat door de fabrikant aanbevolen is. Gebruikte batterijen dienen overeenkomstig fabrieksvoorschriften weggeworpen te worden.
  • Page 233 Appendix A: Safety and Regulatory Compliance Information for the M120 Router Waarschuwing Alvorens aan apparatuur te werken die met elektrische leidingen is verbonden, sieraden (inclusief ringen, kettingen en horloges) verwijderen. Metalen voorwerpen worden warm wanneer ze met stroom en aarde zijn verbonden, en kunnen ernstige brandwonden veroorzaken of het metalen voorwerp aan de aansluitklemmen lassen.
  • Page 234: Lightning Activity Warning

    M120 Multiservice Edge Router Hardware Guide allvarliga brännskador; metallobjekt kan också sammansvetsas med kontakterna. Lightning Activity Warning WARNING: Do not work on the system or connect or disconnect cables during periods of lightning activity. Waarschuwing Tijdens onweer dat gepaard gaat met bliksem, dient u niet aan het systeem te werken of kabels aan te sluiten of te ontkoppelen.
  • Page 235: Product Disposal Warning

    Appendix A: Safety and Regulatory Compliance Information for the M120 Router Varoitus Ettei router-sarjan reititin ylikuumentuisi, sitä ei saa käyttää tilassa, jonka lämpötila ylittää korkeimman suositellun ympäristölämpötilan 40 C. Ettei ilmanvaihto estyisi, tuuletusaukkojen ympärille on jätettävä ainakin 15,2 cm tilaa.
  • Page 236: General Electrical Safety Guidelines And Warnings Electrical Codes For The M120

    Documentation General Safety Warnings for M Series, MX Series, and T Series Routers on page 190 General Electrical Safety Guidelines and Warnings Electrical Codes for the M120 Router General Electrical Safety Warnings for M Series, MX Series, and T Series...
  • Page 237: Grounded Equipment Warning

    Appendix A: Safety and Regulatory Compliance Information for the M120 Router Midplane Energy Hazard Warning on page 210 Multiple Power Supplies Disconnection Warning on page 210 Power Disconnection Warning on page 211 Grounded Equipment Warning WARNING: The router is intended to be grounded. Ensure that the router is connected to earth ground during normal use.
  • Page 238: Midplane Energy Hazard Warning

    M120 Multiservice Edge Router Hardware Guide Varoitus Laitetta asennettaessa on maahan yhdistäminen aina tehtävä ensiksi ja maadoituksen irti kytkeminen viimeiseksi. Attention Lors de l'installation de l'appareil, la mise à la terre doit toujours être connectée en premier et déconnectée en dernier.
  • Page 239: Power Disconnection Warning

    Appendix A: Safety and Regulatory Compliance Information for the M120 Router Warnung Diese Einheit verfügt über mehr als einen Stromanschluß; um Strom gänzlich von der Einheit fernzuhalten, müssen alle Stromzufuhren abgetrennt sein. Avvertenza Questa unità ha più di una connessione per alimentatore elettrico;...
  • Page 240: Tn Power Warning For The M120 Router

    DC Power Electrical Safety Warnings for M Series, MX Series, and T Series Routers on Documentation page 214 TN Power Warning for the M120 Router WARNING: The router is designed to work with TN power systems. Waarschuwing Het apparaat is ontworpen om te functioneren met TN energiesystemen.
  • Page 241: In Case Of An Electrical Accident

    For information about site power requirements, see “M120 Router Power Requirements” on page 237. For information about connecting the router to power and ground, see “Connecting Power to an AC-Powered M120 Router” on page 89 and “Connecting the Grounding Cable to the M120 Router” on page 79.
  • Page 242: Japanese Ac Power Cord Warning For M Series And Mx Series Routers

    M120 Multiservice Edge Router Hardware Guide Japanese AC Power Cord Warning for M Series and MX Series Routers WARNING: Translation from Japanese: The attached power cable is only for this product. Do not use the cable for another product. Related...
  • Page 243: Dc Power Disconnection Warning

    Appendix A: Safety and Regulatory Compliance Information for the M120 Router DC Power Disconnection Warning WARNING: Before performing any procedures on power supplies, ensure that power is removed from the DC circuit. To ensure that all power is off, locate...
  • Page 244: Dc Power Wiring Terminations Warning

    M120 Multiservice Edge Router Hardware Guide (Desligado), segurando nessa posição a manivela do interruptor do disjuntor com fita isoladora. ¡Atención! Antes de proceder con los siguientes pasos, comprobar que la alimentación del circuito de corriente continua (CC) esté cortada (OFF). Para asegurarse de que toda la alimentación esté...
  • Page 245: Dc Power Electrical Safety Guidelines For The M120

    Appendix A: Safety and Regulatory Compliance Information for the M120 Router devono avere la misura adatta per il cablaggio e devono serrare sia l'isolante che il conduttore. Advarsel Hvis det er nødvendig med flertrådede ledninger, brukes godkjente ledningsavslutninger, som for eksempel lukket sløyfe eller spadetype med oppoverbøyde kabelsko.
  • Page 246: Agency Approvals And Compliance Statements For The M120 Router

    Routers (Canada) on page 223 Compliance Statements for Environmental Requirements for M Series, MX Series, and T Series Routers on page 223 Compliance Statements for Acoustic Noise for the M120 Router on page 223 Copyright © 2010, Juniper Networks, Inc.
  • Page 247: Agency Approvals For M120 Routers

    Appendix A: Safety and Regulatory Compliance Information for the M120 Router Agency Approvals for M120 Routers The router complies with the following standards: Safety CAN/CSA-22.2 No. 60950-1-03/UL 60950-1, Safety of Information Technology Equipment EN 60825-1 Safety of Laser Products - Part 1: Equipment Classification, Requirements...
  • Page 248: Compliance Statements For Nebs For The M120 Router

    Compliance Statements for EMC Requirements for M Series, MX Series, and T Series Routers (Canada) on page 223 Compliance Statements for NEBS for the M120 Router The equipment is suitable for installation as part of the Common Bonding Network (CBN).
  • Page 249: Compliance Statements For Emc Requirements For The M120 Router (European Community)

    Appendix A: Safety and Regulatory Compliance Information for the M120 Router Compliance Statements for EMC Requirements for the M120 Router (European Community) 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.
  • Page 250: Compliance Statements For Emc Requirements For M Series, Mx Series, And T Series Routers (United States)

    T Series Routers on page 223 Compliance Statements for NEBS for the M120 Router on page 220 Compliance Statements for Acoustic Noise for the M120 Router on page 223 Compliance Statements for EMC Requirements for M Series, MX Series, and T Series Routers...
  • Page 251: Compliance Statements For Emc Requirements For M Series, Mx Series, And T Series Routers (Canada)

    Appendix A: Safety and Regulatory Compliance Information for the M120 Router Compliance Statements for EMC Requirements for M Series, MX Series, and T Series Routers (Canada) This Class A digital apparatus complies with Canadian ICES-003. Cet appareil numérique de la classe A est conforme à la norme NMB-003 du Canada.
  • Page 252 M120 Multiservice Edge Router Hardware Guide Copyright © 2010, Juniper Networks, Inc.
  • Page 253: Appendix B M120 Router Physical Specifications

    APPENDIX B M120 Router Physical Specifications M120 Router Physical Specifications on page 225 M120 Router Physical Specifications Table 24 on page 225 summarizes the physical specifications for the router chassis. Table 24: M120 Physical Specifications Description Value Chassis dimensions 20.75 in. (52.71 cm) high 17.43 in.
  • Page 254 M120 Multiservice Edge Router Hardware Guide Copyright © 2010, Juniper Networks, Inc.
  • Page 255: Appendix C M120 Router Environmental Specifications

    APPENDIX C M120 Router Environmental Specifications M120 Router Environmental Specifications on page 227 M120 Router Environmental Specifications Table 25 on page 227 specifies the environmental specifications required for normal router operation. In addition, the site should be as dust-free as possible.
  • Page 256 M120 Multiservice Edge Router Hardware Guide Copyright © 2010, Juniper Networks, Inc.
  • Page 257: Appendix D Power Guidelines, Requirements, And Specifications For The M120

    Specifications for the M120 Router M120 Chassis Grounding Specifications on page 229 M120 Router AC Power Specifications and Requirements on page 230 M120 Router DC Power Specifications and Requirements on page 233 Site Electrical Wiring Guidelines for M Series, MX Series, and T Series Routers on page 237...
  • Page 258: M120 Router Ac Power Specifications And Requirements

    Related M120 Router Chassis Description on page 6 Documentation Connecting the Grounding Cable to the M120 Router on page 79 M120 Router AC Power Specifications and Requirements Electrical Specifications for the M120 AC Power Supply on page 230 M120 AC Power, Connection, and Power Cord Specifications on page 231 Electrical Specifications for the M120 AC Power Supply Table 26 on page 230 lists the AC power supply electrical specifications.
  • Page 259: M120 Ac Power, Connection, And Power Cord Specifications

    Appendix D: Power Guidelines, Requirements, and Specifications for the M120 Router Replacing an M120 AC Power Supply on page 173 M120 AC Power, Connection, and Power Cord Specifications In the AC power configuration, the router can have up to two load-sharing AC power...
  • Page 260: Figure 96: M120 Ac Plug Types

    M120 Multiservice Edge Router Hardware Guide Table 27 on page 232 provides specifications and Figure 96 on page 232 depicts the plug on the AC power cord provided for each country or region. Table 27: AC Power Cord Specifications Country...
  • Page 261: M120 Router Dc Power Specifications And Requirements

    Appendix D: Power Guidelines, Requirements, and Specifications for the M120 Router CAUTION: Power cords and cables must not block access to router components or drape where people could trip on them. Related M120 AC Power Supply Description on page 29...
  • Page 262: M120 Dc Power, Connection, And Cable Specifications

    M120 Multiservice Edge Router Hardware Guide M120 DC Power, Connection, and Cable Specifications In the DC power configuration, the router contains two DC power supplies (see Figure 15 on page 31), located in the right rear of the chassis in slots (left to right).
  • Page 263: Figure 97: Typical Dc Source Cabling To The M120 Router

    Appendix D: Power Guidelines, Requirements, and Specifications for the M120 Router Figure 97: Typical DC Source Cabling to the M120 Router WARNING: Power plant ground and chassis ground must be connected to the same building ground. Table 29 on page 236 summarizes the specifications for the grounding and power cables, which you supply.
  • Page 264: Table 29: M120 Dc Power And Grounding Cable Specifications

    31. For instructions on connecting the DC power and grounding cables during initial installation, see “Connecting Power to a DC-Powered M120 Router” on page 91. For instructions on replacing a DC power cable, see “Replacing an M120 DC Power Supply Cable” on page 183.
  • Page 265: Site Electrical Wiring Guidelines For M Series, Mx Series, And T Series Routers

    Appendix D: Power Guidelines, Requirements, and Specifications for the M120 Router Site Electrical Wiring Guidelines for M Series, MX Series, and T Series Routers Distance limitations for signaling—Improperly installed wires can emit radio interference. In addition, the potential for damage from lightning strikes increases if wires exceed recommended distances or if wires pass between buildings.
  • Page 266: Table 31: Ac Power Supply Electrical Specifications

    M120 Multiservice Edge Router Hardware Guide Table 30: Power System Electrical Specifications (continued) Item Specification AC system current rating 28 A @ 100 VAC (15 A top inlet, 13 A bottom inlet) (per power supply) 14 A @ 240 VAC —...
  • Page 267: Table 33: Component Power Requirements

    DC-powered router. These examples use generalized values for PICs. For PIC power requirements, see the M120 PIC Guide. Power consumption for minimum configuration:...
  • Page 268 Related M120 Power Supplies Description on page 29 Documentation Replacing an M120 AC Power Supply on page 173 Replacing an M120 DC Power Supply on page 177 M120 Router Chassis Description on page 6 Copyright © 2010, Juniper Networks, Inc.
  • Page 269: Appendix E Cable And Wire Guidelines And Specifications For The M120 Router

    Specifications for the M120 Router Fiber-Optic Specifications and Guidelines for the M120 Router on page 241 Routing Engine Interface Cable and Wire Specifications for the M120 Router on page 246 Fiber-Optic Specifications and Guidelines for the M120 Router Fiber-Optic and Network Cable Specifications for the M120 Router on page 241...
  • Page 270: Router

    M120 Multiservice Edge Router Hardware Guide Signal Loss in Multimode and Single-Mode Fiber-Optic Cable for the M120 Router Multimode fiber is large enough in diameter to allow rays of light to reflect internally (bounce off the walls of the fiber). Interfaces with multimode optics typically use LEDs as light sources.
  • Page 271: M120 Attenuation And Dispersion In Fiber-Optic Cable

    Appendix E: Cable and Wire Guidelines and Specifications for the M120 Router For specifications of minimum and maximum input level (receiver sensitivity and receiver saturation) and minimum and maximum output level (average launch power) for the SONET/SDH PICs supported on the M120 router, see the M120 PIC Guide.
  • Page 272: Calculating Power Budget For Fiber-Optic Cable For M Series, Mx Series, And T Series Routers

    Fiber-Optic and Network Cable Specifications for the M120 Router on page 241 Documentation Signal Loss in Multimode and Single-Mode Fiber-Optic Cable for the M120 Router on page 242 Calculating Power Budget for Fiber-Optic Cable for M Series, MX Series, and T Series...
  • Page 273: Table 34: Estimated Values For Factors Causing Link Loss

    Appendix E: Cable and Wire Guidelines and Specifications for the M120 Router Factors that can cause link loss include higher-order mode losses (HOL), modal and chromatic dispersion, connectors, splices, and fiber attenuation. Table 34 on page 245 lists an estimated amount of loss for the factors used in the following sample calculations.
  • Page 274: Routing Engine Interface Cable And Wire Specifications For The M120 Router

    Calculating Power Budget for Fiber-Optic Cable for M Series, MX Series, and T Series Routers on page 244 Signal Loss in Multimode and Single-Mode Fiber-Optic Cable for the M120 Router on page 242 Routing Engine Interface Cable and Wire Specifications for the M120 Router For management and service operations, you connect the Routing Engine to an external console or management network.
  • Page 275: Appendix F M120 Cable Connector Pinouts

    APPENDIX F M120 Cable Connector Pinouts RJ-45 Connector Pinouts for the M120 Routing Engine ETHERNET Port on page 247 RJ-45 Connector Pinouts for the Routing Engine AUX and CONSOLE Ports on page 248 RJ-45 Connector Pinouts for the External Clock Ports on page 248 RJ-48 Cable Pinouts for E1 and T1 PICs on page 249 M120 X.21 and V.35 Cable Pinouts for EIA-530 PIC on page 252...
  • Page 276: Rj-45 Connector Pinouts For The Routing Engine Aux And Console Ports

    DSR/DCD Data Set Ready Clear to Send Related Replacing the Console or Auxiliary Cable on the M120 Routing Engine on page 133 Documentation Maintaining M120 PICs and PIC Cables on page 112 Installing an M120 PIC Cable on page 166...
  • Page 277: Rj-48 Cable Pinouts For E1 And T1 Pics

    Not connected Not connected Not connected Related External Clock Interface Ports on the M120 Craft Interface on page 25 Documentation Maintaining M120 PICs and PIC Cables on page 112 Installing an M120 PIC Cable on page 166 M120 PICs Description on page 15 RJ-48 Cable Pinouts for E1 and T1 PICs The E1 and T1 PICs use an RJ-48 cable, which is not supplied with the PIC.
  • Page 278: Table 40: Rj-48 Connector To Rj-48 Connector (Crossover) Pinout For The

    M120 Multiservice Edge Router Hardware Guide Table 39: RJ-48 Connector to RJ-48 Connector (Straight) Pinout for the Router (continued) RJ-48 Pin RJ-48 Pin (on T1/E1 PIC) (Data numbering (Data numbering form) form) Signal TX, Ring, – TX, Tip, + Shield/Return/Ground...
  • Page 279: Table 41: Rj-48 Connector To Db-15 Connector (Straight) Pinout For The

    Appendix F: M120 Cable Connector Pinouts Table 41: RJ-48 Connector to DB-15 Connector (Straight) Pinout for the Router DB-15 Pin RJ-48 Pin (on T1/E1 PIC) (Data numbering (Data numbering form) form) Signal RX/Ring/– <––>RX/Ring/– RX/Tip/+ <––>RX/Tip/+ TX/Ring/– <––>TX/Ring/– TX/Tip/+ <––>TX/Tip/+...
  • Page 280: M120 X.21 And V.35 Cable Pinouts For Eia-530 Pic

    No connect No connect No connect Related Maintaining M120 PICs and PIC Cables on page 112 Documentation Installing an M120 PIC Cable on page 166 M120 PICs Description on page 15 M120 X.21 and V.35 Cable Pinouts for EIA-530 PIC The EIA-530 PIC accepts X.21 and V.35 cable connectors.
  • Page 281: Figure 98: M120 Eia-530 Pic

    Appendix F: M120 Cable Connector Pinouts Figure 98: M120 EIA-530 PIC Table 43: M120 DB-25 Connector to V.35 Connector Pinout DB-25 Pin Signal V.35 Pin Description Transmit Data Transmit Data Receive Data Receive Data Ready To Send Clear To Send...
  • Page 282: M120 Fast Ethernet Pic 48-Port Cable Pinouts

    Data Carrier Detect Data Carrier Detect Receive Clock Receive Clock Related Maintaining M120 PICs and PIC Cables on page 112 Documentation Installing an M120 PIC Cable on page 166 M120 PICs Description on page 15 M120 Fast Ethernet PIC 48-Port Cable Pinouts...
  • Page 283: Figure 99: Fast Ethernet 48-Port Pic

    Appendix F: M120 Cable Connector Pinouts Figure 99: Fast Ethernet 48-port PIC Figure 100: VHDCI to RJ-21 Cable Table 45 on page 255 describes the RJ-21 cable pinouts. NOTE: RJ-21 pin numbers 25 and 50 do not appear in the table because they are ground connectors.
  • Page 284 RJ-21 Pin Assignment 8, 20, 32, 44 9, 21, 33, 45 10, 22, 34, 46 11, 23, 35, 47 Related M120 Router Description on page 3 Documentation M120 Router Power Requirements on page 237 Copyright © 2010, Juniper Networks, Inc.
  • Page 285: Appendix G Contacting Customer Support And Returning M120 Hardware

    Contacting Customer Support on page 263 Returning a Hardware Component to Juniper Networks, Inc. on page 264 Tools and Parts Required to Remove Components from an M120 Router on page 265 Packing the M120 Router for Shipment on page 265...
  • Page 286: Figure 101: Serial Number Id Label

    258) attached to the component body. Figure 101: Serial Number ID Label Related M120 PIC Serial Number Label on page 261 Documentation M120 Routing Engine Serial Number Label on page 263 Contacting Customer Support on page 263 Copyright © 2010, Juniper Networks, Inc.
  • Page 287: M120 Chassis Serial Number Label

    Appendix G: Contacting Customer Support and Returning M120 Hardware M120 Chassis Serial Number Label The chassis serial number is located on the side of the chassis (see Figure 102 on page 259). Figure 102: M120 Chassis Serial Number Label Related...
  • Page 288: M120 Fpc Serial Number Label

    M120 Multiservice Edge Router Hardware Guide Figure 104: M120 FEB Serial Number Label Related M120 Forwarding Engine Boards (FEBs) Description on page 16 Documentation Troubleshooting M120 FEBs on page 122 M120 FPC Serial Number Label The serial number label is located on the center of the right side of the FPC3 (see Figure 105 on page 260).
  • Page 289: M120 Pic Serial Number Label

    Appendix G: Contacting Customer Support and Returning M120 Hardware Figure 106: M120 Routing Engine Serial Number Label Related M120 Compact FPCs (CFPCs) Overview on page 12 Documentation Troubleshooting M120 FPCs and CFPCs on page 121 M120 PIC Serial Number Label The serial number label is located on the right side of the PIC (see Figure 107 on page 261), when the PIC is vertically oriented (as it would be installed in the router).
  • Page 290: M120 Power Supply Serial Number Labels

    The serial number label is located on the DC power supply faceplate under the circuit breaker switch (see Figure 109 on page 262). Figure 108: M120 AC Power Supply Serial Number Label Figure 109: M120 DC Power Supply Serial Number Label...
  • Page 291: M120 Routing Engine Serial Number Label

    M120 Routing Engine LEDs on page 21 Contacting Customer Support You can contact Juniper Networks Technical Assistance Center (JTAC) 24 hours a day, 7 days a week in one of the following ways: On the Web, using the Case Manager link at: http://www.juniper.net/support/...
  • Page 292: Returning A Hardware Component To Juniper Networks, Inc

    (RMA) is issued. This number is used to track the returned material at the factory and to return repaired or new components to the customer as needed. NOTE: Do not return any component to Juniper Networks, Inc. unless you have first obtained an RMA number. Juniper Networks, Inc. reserves the right to refuse shipments that do not have an RMA.
  • Page 293: Tools And Parts Required To Remove Components From An M120 Router

    Appendix G: Contacting Customer Support and Returning M120 Hardware Tools and Parts Required to Remove Components from an M120 Router To remove components from the router or the router from a rack, you need the following tools and parts: 2.5-mm flat-blade (–) screwdriver, for detaching alarm relay terminal block 3/8–in.
  • Page 294 Disconnect power from the router. For instructions, see “Replacing an M120 AC Power Supply Cord” on page 182 or “Replacing an M120 DC Power Supply Cable” on page 183. Remove the cables that connect to all external devices. For instructions, see“Replacing Connections to M120 Routing Engine Interface Ports”...
  • Page 295: Guidelines For Packing M120 Components For Shipment

    Related Packing the M120 Router for Shipment on page 265 Documentation Displaying M120 Router Components and Serial Numbers on page 257 Contacting Customer Support on page 263 Packing the M120 Router for Shipment on page 265 Copyright © 2010, Juniper Networks, Inc.
  • Page 296 M120 Multiservice Edge Router Hardware Guide Copyright © 2010, Juniper Networks, Inc.
  • Page 297 PART 5 Index Index on page 271 Copyright © 2010, Juniper Networks, Inc.
  • Page 298 M120 Multiservice Edge Router Hardware Guide Copyright © 2010, Juniper Networks, Inc.
  • Page 299 Ethernet port (for Routing Engine LEDs (red and yellow) on craft interface....24 management) relay contacts..............28 connecting during initial installation.....84 temperature, displaying..........120 replacing..............132 altitude, acceptable range..........227 antistatic mat, using.............192 approvals, agency..............219 Copyright © 2010, Juniper Networks, Inc.
  • Page 300 M120 Multiservice Edge Router Hardware Guide fiber-optic cleaning instructions for transceivers...112 as troubleshooting tool..........117 multimode and single-mode......242 command transmission distance, maximum....242 to display chassis alarm messages....118 grounding See DC power and grounding cables to display FPC status.........106 to display PIC status..........112 connecting during maintenance....166...
  • Page 301 E1 PIC Flexible PIC Concentrators See FPCs pinouts for RJ-48 cable..........249 font conventions..............xxiv earthquakes Forwarding Engine Boards See FEBs site preparation for............39 tested toleration for seismic........227 Copyright © 2010, Juniper Networks, Inc.
  • Page 302 M120 Multiservice Edge Router Hardware Guide FPCs....................9 chassis components...............11 unpacking..............43 LEDs..................27 DC power and grounding cables maintaining..............106 tools required............81 replacing................152 XENPAK module.............171 status, checking............106, 121 instructions troubleshooting..............121 calculation power requirements...........237 cleaning See cleaning instructions grounding (electrical) specifications maintenance See maintenance guidelines AC-powered router.............229...
  • Page 303 EIA-530, pinouts for X.21 cable......252 maintaining..............115 Fast Ethernet 48-port, pinouts for RJ-21 power system cable................254 troubleshooting.............124 maintenance..............112 power system components SONET/SDH replacing................173 alarm messages............118 powering off the router............93 analyzer, use of............112 powering on the router............92 wavelength range supported......242 Copyright © 2010, Juniper Networks, Inc.
  • Page 304 M120 Multiservice Edge Router Hardware Guide Routing Engine rack boot sequence..............20 clearance around, required..........41 components..............19 front-mount flange hole spacing......39 description.................18 mounting bracket hole spacing........39 maintaining..............104 securing to building............39 management ports size and strength required..........39 cable and wire specifications......246 standards, EIA and ETSI..........39 ports on craft interface..........25...
  • Page 305 XENPAK module..............170 installation instructions..........171 removal instructions............170 T1 PIC pinouts for RJ-48 cable..........249 description..............168 taking host subsystem offline..........140 installing................169 technical support removing................168 contacting JTAC............xxvi telco rack See rack temperature, acceptable range........227 thermal output...............227 Copyright © 2010, Juniper Networks, Inc.
  • Page 306 M120 Multiservice Edge Router Hardware Guide Copyright © 2010, Juniper Networks, Inc.

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