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 All manuals and user guides at all-guides.com 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.
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 did not originally purchase from Juniper or an authorized Juniper reseller; (k) disclose the results of testing or benchmarking of the Software to any third party without the prior written consent of Juniper; or (l) use the Software in any manner other than as expressly provided herein.
Page 6 (or services are accessed by) the Software shall be a third party beneficiary with respect to this Agreement, and such licensor or vendor shall have the right to enforce this Agreement in its own name as if it were Juniper. In addition, certain third party software may be provided with the Software and is subject to the accompanying license(s), if any, of its respective owner(s).
Page 10 Troubleshooting Using the Chassis and Interface Alarm Messages ..118 Troubleshooting Using the Juniper Networks Technical Assistance Center ........... . 118 M120 LED Overview .
Page 14 Contacting Customer Support ........263 Returning a Hardware Component to Juniper Networks, Inc....264 Tools and Parts Required to Remove Components from an M120 Router .
Page 23: About The Documentation
Junos OS Release Notes. ® To obtain the most current version of all Juniper Networks technical documentation, see the product documentation page on the Juniper Networks website at http://www.juniper.net/techpubs/ Objectives This documentation describes hardware components, installation, basic configuration, and basic troubleshooting procedures for the Juniper Networks M120 Multiservice Edge Router.
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 techpubs-comments@juniper.net , or fill out the documentation feedback form at 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 29: Part 1 Overview Of The M120 Multiservice Edge Router
All manuals and user guides at all-guides.com 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 31: Overview Of The M120 Router
Forwarding operations in the router are performed by the Packet Forwarding Engine (PFE), which includes ASICs, designed by Juniper Networks contained on the FEBs. The redundant FEBs provide route lookup and forwarding functions from the PICs and CFPCs with fast switchover times and higher bandwidth PFEs provide support for larger numbers of PICs.
Page 32 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: Chapter 2 M120 Hardware Components
Power supplies—A router with two AC power supplies or two DC power supplies is fully power redundant. In both AC and DC configurations, the power supplies share the load almost evenly. Copyright © 2010, Juniper Networks, Inc.
Page 34: M120 Router Chassis Description
ESD strap to an ESD point and place the other end of the strap around your bare wrist. Failure to use an ESD strap can result in damage to the router. WARNING: The router must be connected to earth ground during normal operation. Copyright © 2010, Juniper Networks, Inc.
Page 35: Chapter 2 M120 Hardware Components
All manuals and user guides at all-guides.com 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
Data path—Data packets are transferred across the midplane between an FPC and its associated FEB, and between the FEBs via the fabric ASICs on the CB. Power distribution—The router power supplies are connected to the midplane, which distributes power to all the router components. Copyright © 2010, Juniper Networks, Inc.
Page 37: M120 Flexible Pic Concentrators (Fpcs) Overview
FPC and forwards them through the switch planes to the appropriate destination FPC and port. Each FPC contains data memory, which is managed by the Queuing and Memory Interface ASICs, and either one or two Packet Forwarding Engines. Copyright © 2010, Juniper Networks, Inc.
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
FPC Faceplate—Edge of the FPC that has slots into which you insert the PICs Connector edge—Edge opposite the faceplate; this edge has the connectors that attach to the midplane Copyright © 2010, Juniper Networks, Inc.
Page 40: M120 Compact Fpcs (Cfpcs) Overview
(see Figure 7 on page 13). The CFPC slots are numbered top to bottom CFPC0 . The CFPC slots feature a smaller form factor than the Type 1, 2, and 3 FPC CFPC1 slots, to provide higher density for M120 10-gigabit interfaces. Copyright © 2010, Juniper Networks, Inc.
Page 41: Cfpc Components
CFPC types. Figure 8 on page 13 shows the Ethernet 10GBase XFP CFPC. Figure 8: Ethernet 10GBASE XFP CFPC for the M120 Router CFPC Components Both CFPC types consist of the following components: CFPC card carrier. Midplane connectors and power circuitry. Copyright © 2010, Juniper Networks, Inc.
Page 42: M120 Fpcs And Cfpcs Supported
10 Gbps 8.0R2 A CFPC is a combination of a PIC and an FPC. It contains the interface circuitry and the FPC as a single assembly. The CFPCs provide receptacles for XFP optical transceivers. Copyright © 2010, Juniper Networks, Inc.
Page 43: M120 Pics Description
Related M120 PICs Supported Documentation M120 End-of-Life PICs Supported M120 PIC/FPC Compatibility Troubleshooting M120 PICs on page 122 Maintaining M120 PICs and PIC Cables on page 112 Replacing an M120 PIC on page 161 Copyright © 2010, Juniper Networks, Inc.
Page 44: M120 Forwarding Engine Boards (Febs) Overview
I-chip ASIC, which provides multiple paths for PFE to PIC communication. H2S—Bridge between HSLA and one SPI4 interface. A crossbar switch that provides connection between the FEB WAN links and the FPC WAN links. Copyright © 2010, Juniper Networks, Inc.
Page 45: M120 Forwarding Engine Boards (Febs) Leds
M120 Forwarding Engine Boards (FEBs) Description on page 16 Documentation Replacing an M120 FEB on page 149 Troubleshooting M120 FEBs on page 122 Maintaining the M120 FEBs on page 113 FEB LEDs on the M120 Craft Interface on page 27 Copyright © 2010, Juniper Networks, Inc.
Page 46: M120 Host Subsystem Description
Each Routing Engine requires a CB to be installed in the adjacent slot. installs below , and installs below . A Routing Engine does not power up if it is not installed into the CB. Copyright © 2010, Juniper Networks, Inc.
Page 47: Routing Engine Components
NOTE: The LEDs that report host module status (including Routing Engine status) are on the craft interface rather than the Routing Engine faceplate. HDD LED—Indicates disk activity for the hard disk drive. Copyright © 2010, Juniper Networks, Inc.
Page 49: M120 Routing Engine Leds
(see Figure 12 on page 22). These functions include determining Routing Engine mastership; controlling power and reset for the other router components; connecting the FEBs and FPCs; monitoring and controlling fan speed; and monitoring system status. Copyright © 2010, Juniper Networks, Inc.
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
The craft interface allows you to view status and troubleshooting information at a glance and to perform many system control functions. It is hot-insertable and hot-removable. The craft interface is located on the front of the router above the upper fan tray and contains the following: Copyright © 2010, Juniper Networks, Inc.
Page 52: Interface
— — Alarm cutoff/lamp test button—Deactivates red and yellow alarms. Causes all LEDs on the craft interface to light (for testing purposes), when pressed and held. Copyright © 2010, Juniper Networks, Inc.
Page 53: Routing Engine Interface Ports And Status Indicators On The M120 Craft Interface
Refer to the Junos OS System Basics Configuration Guide for configuration information. EXT CLOCK ports are labeled . They accept two RJ-45 connectors for external clock inputs with T1 or E1 reference clocks. Copyright © 2010, Juniper Networks, Inc.
Page 54: Host Subsystem Leds On The M120 Craft Interface
The Routing Engine is functioning. RE STATUS On steadily The Routing Engine has failed. CB STATUS Green On steadily The board is online. Blinking The board is transitioning online/offline. On steadily The CB has failed. Copyright © 2010, Juniper Networks, Inc.
Page 55: Feb Leds On The M120 Craft Interface
, are located along the bottom of the craft interface. Table 12 on page 27 describes the functions of the FPC LEDs. Table 12: M120 FPC LEDs Label Color State Description On steadily FPC has failed. STATUS Green On steadily FPC is functioning normally. Blinking FPC is transitioning online/offline. Copyright © 2010, Juniper Networks, Inc.
Page 56: Power Supply Leds On The M120 Craft Interface
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 Copyright © 2010, Juniper Networks, Inc.
Page 57: M120 Power Supplies Description
Two AC power supplies provide full power redundancy. If one power supply fails or is removed, the remaining power supply instantly assumes the entire electrical load without interruption. One power supply provides the maximum configuration with full power for as long as the router is operational. Copyright © 2010, Juniper Networks, Inc.
Page 58: M120 Ac Power Supply Leds
Blinking Power supply blinks for 5 seconds after initial power on. Power supply is installed, but not powered on. Input voltage is invalid. Power supply has failed. On steadily Power supply is functioning normally. Copyright © 2010, Juniper Networks, Inc.
Page 59: M120 Dc Power Supply Description
Connecting Power to a DC-Powered M120 Router on page 91 Maintaining the M120 Power Supplies on page 115 Replacing an M120 DC Power Supply on page 177 M120 DC Power, Connection, and Cable Specifications on page 234 Copyright © 2010, Juniper Networks, Inc.
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
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 Maintaining the M120 Fan Trays on page 102 Replacing an M120 Fan Tray on page 134 Copyright © 2010, Juniper Networks, Inc.
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 Copyright © 2010, Juniper Networks, Inc.
Page 63: Part 2 Setting Up The M120 Router
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 Providing Power to the M120 Router on page 89 Configuring Junos OS on page 95 Copyright © 2010, Juniper Networks, Inc.
Page 65: Chapter 3 Preparing The Site For M120 Router Installation
Plan rack or cabinet location, including required space clearances. If a rack is used, secure rack to floor and building structure. Acquire cables and connectors. Locate sites for connection of system grounding. Calculate power budget and power margin. Copyright © 2010, Juniper Networks, Inc.
Page 66: M120 Cabinet Requirements
An open cabinet (without a top or doors) that employs hot air exhaust extraction from the top allows the best airflow through the chassis. If the cabinet contains a top or doors, perforations in these elements assist Copyright © 2010, Juniper Networks, Inc.
Page 67: M120 Rack Mounting Requirements
(1.75-in./4.44-cm) increments and that meets the size and strength requirements specified in this table. A U is the standard rack unit defined in Cabinets, Racks, Panels, and Associated Equipment (document number EIA-310–D) published by the Electronics Industry http://www.eia.org Association ( Copyright © 2010, Juniper Networks, Inc.
Page 68 Secure the rack to the building structure. structure If earthquakes are a possibility in your geographical area, secure the rack to the floor. Secure the rack to the ceiling brackets as well as wall or floor brackets for maximum stability. Copyright © 2010, Juniper Networks, Inc.
Page 69: M120 Clearance Requirements For Airflow And Hardware Maintenance
When planning the installation site, you need to allow sufficient clearance around the rack (see Figure 21 on page 42): For the cooling system to function properly, the airflow around the chassis must be unrestricted. Figure 16 on page 33 depicts the airflow in the router. Copyright © 2010, Juniper Networks, Inc.
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: Chapter 4 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
149 lb (63.5 kg) to 280 lb (127 kg). NOTE: The router is maximally protected inside the shipping crate. Do not unpack it until you are ready to begin installation. Copyright © 2010, Juniper Networks, Inc.
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 Copyright © 2010, Juniper Networks, Inc.
Page 74: Verifying M120 Parts Received
Up to four Type 3 PICs FEBs Up to 6 Routing Engines 1 or 2 1 or 2 Power supplies 1 or 2 Front fan tray Rear fan tray Front air filter Quick Start installation instructions Copyright © 2010, Juniper Networks, Inc.
Page 75: Table 18: Accessory Box Parts List
USB flash drive with Junos OS. Read me first document Affidavit for T1 connection Juniper Networks Product Warranty End User License Agreement Document sleeve 3" x 5" pink bag 9" x 12" pink bag, ESD Copyright © 2010, Juniper Networks, Inc.
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: Chapter 5 Installing The M120 Router Mounting Hardware
12.0 in. (30.5 cm) 6.86 U 6.75 in. (17.1 cm) 3.86 U 3.25 in. (8.3 cm) 1.86 U 1.51 in. (3.8 cm) 0.86 U 0.88 in. (2.2 cm) 0.50 U 0.25 in. (0.6 cm) 0.14 U Copyright © 2010, Juniper Networks, Inc.
Page 78 The bottom of the small shelf should align with the bottom of the large shelf. Partially insert screws into the open holes in the ears of the small shelf. Tighten all the screws completely. Copyright © 2010, Juniper Networks, Inc.
Page 79: Installing The Mounting Hardware For A Front-Mount Open-Frame Rack
The hole distances are relative to one of the standard U divisions on the rack. For reference, the bottom of all mounting shelves is at 0.04 in. (0.02 U) above a U division. Copyright © 2010, Juniper Networks, Inc.
Page 80: Table 20: Open-Frame Rack Mounting Hole Locations For The M120 Router
Install the large shelf on the rack. Hang the shelf over the mounting screws using the keyhole slots located near the top of the large shelf flanges. Partially insert screws into the open holes in the ears of the large shelf. Tighten all the screws completely. Copyright © 2010, Juniper Networks, Inc.
Page 81: Installing The Mounting Hardware For A Center-Mount Open-Frame Rack
U divisions on the rack. For reference, the bottom of all mounting shelves is at 0.04 in. (0.02 U) above a U division. To install the large mounting shelf (see Figure 24 on page 53): Copyright © 2010, Juniper Networks, Inc.
Page 82 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 Copyright © 2010, Juniper Networks, Inc.
Page 83: Chapter 6 Installing The M120 Router With A Lift
Front-Mount Four-Post Rack or Cabinet” on page 49, “Installing the Mounting Hardware for a Front-Mount Open-Frame Rack” on page 51, or “Installing the Mounting Hardware for a Center-Mount Open-Frame Rack” on page 53. Copyright © 2010, Juniper Networks, Inc.
Page 84 Visually inspect the alignment of the router. If the router is installed properly in the rack, all the mounting screws on one side of the rack should be aligned with the mounting screws on the opposite side and the router should be level. Copyright © 2010, Juniper Networks, Inc.
Page 85: Figure 25: Installing The M120 Router In The Rack
M120 Router Physical Specifications on page 225 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 Copyright © 2010, Juniper Networks, Inc.
Page 87: Chapter 7 Installing The M120 Router Without A Mechanical Lift
To make the router light enough to install manually, you first remove most components from the chassis. The procedures in this section for removing components from the chassis are for initial installation only, and assume that you have not connected power Copyright © 2010, Juniper Networks, Inc.
Page 88: Removing The Power Supplies
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. Repeat the procedure for the remaining power supply. Copyright © 2010, Juniper Networks, Inc.
Page 89: Removing Febs
Grasp both ejector handles, pull firmly, and slide the FEB about three-quarters of the way out of the chassis. Place one hand underneath the FEB to support it and slide it completely out of the chassis. Place it on the antistatic mat. Copyright © 2010, Juniper Networks, Inc.
Page 90: Removing Cbs
Grasp the ejector handles and slide the CB about halfway out of the chassis. Place one hand underneath the CB to support it and slide it completely out of the chassis. Place it on the antistatic mat. Copyright © 2010, Juniper Networks, Inc.
Page 91: Removing A Fan Tray
If removing the lower front fan tray, simultaneously pull the two releases labeled PULL on the cable management system. Lift it up and outward to lock it in place. Loosen the captive screw on each side of the fan tray faceplate. Copyright © 2010, Juniper Networks, Inc.
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
Using a 3/8-in. nut driver, unscrew the nuts on the corners of the cable management system. Grasp the bottom of the cable management system and pull it straight out from the studs on the front of the chassis. Copyright © 2010, Juniper Networks, Inc.
Page 94: Removing Fpcs
Place one hand around the front of the FPC (the PIC housing) and the other hand under it to support it. Slide the FPC completely out of the chassis, and place it on the antistatic mat or in the electrostatic bag. Copyright © 2010, Juniper Networks, Inc.
Page 95: Removing A Cfpc
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 an approved site ESD grounding point. See the instructions for your site. Copyright © 2010, Juniper Networks, Inc.
Page 96: Figure 33: Removing A Cfpc Before Installing The M120 Router
M120 Router Chassis Description on page 6 Documentation M120 Router Physical Specifications on page 225 M120 Chassis Lifting Guidelines on page 195 General Safety Warnings for M Series, MX Series, and T Series Routers on page 190 Copyright © 2010, Juniper Networks, Inc.
Page 97: Installing The M120 Router Without Using A Mechanical Lift
Use a pallet jack if one is available. With one person on each side and one person in the front, hold onto the bottom of the chassis and carefully lift it onto the large and small (if installed) mounting shelves. Copyright © 2010, Juniper Networks, Inc.
Page 99: Reinstalling Components In The Chassis After Installing The M120 Router Without A Mechanical Lift
Grasp both ejector handles and rotate them simultaneously clockwise until the CB is fully seated. Tighten the captive screws on the ejector handles, using a Phillips (+) screwdriver, number 2. Repeat the procedure to reinstall the remaining CB. Copyright © 2010, Juniper Networks, Inc.
Page 100: Reinstalling The Febs
Carefully slide the FEB into the chassis, ensuring that it is correctly aligned. Grasp both ejector handles and press them inward to seat the FEB. Tighten the captive screws on the ejector handles. Repeat the procedure for each of the remaining FEBs. Copyright © 2010, Juniper Networks, Inc.
Page 101: Reinstalling The Power Supplies
Tighten the captive screws on the top and bottom flanges of the power supply faceplate to secure the power supply in the chassis. Repeat the procedure for the remaining power supply. Copyright © 2010, Juniper Networks, Inc.
Page 102: Reinstalling Fpcs
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. Copyright © 2010, Juniper Networks, Inc.
Page 103: Reinstalling A Cfpc
Slide the CFPC all the way into the card cage until you feel resistance. Pull the end of the ejector lever away from the CFPC faceplate, and hold the lever out while continuing to push on the CFPC faceplate to further install it into the chassis. Copyright © 2010, Juniper Networks, Inc.
Page 104: Figure 39: Reinstalling A Cfpc After Installing The M120 Router
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 39: Reinstalling a CFPC After Installing the M120 Router Copyright © 2010, Juniper Networks, Inc.
Page 105: Reinstalling The Fan Trays
Position the cable management system on the studs on the lower front of the chassis. Insert the nuts on the corners in the cable management system onto the studs on the chassis. Using a 3/8-in. nut driver, tighten the nuts securely. Copyright © 2010, Juniper Networks, Inc.
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: Chapter 8 Grounding The M120 Router
Verify that the grounding cabling is correct, that the grounding cable does not touch or block access to router components, and that it does not drape where people could trip on it. Copyright © 2010, Juniper Networks, Inc.
Page 108: Figure 41: Connecting The Grounding Cable To The M120 Router
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 Copyright © 2010, Juniper Networks, Inc.
Page 109: Chapter 9 Connecting The M120 Router To External Devices
Connecting the M120 Router to Management and Alarm Devices For management and service operations, you connect the Routing Engine to an external console or management network through ports on the Craft Interface. You can also Copyright © 2010, Juniper Networks, Inc.
Page 110: Figure 42: M120 Routing Engine Management Ports And Alarm Relay Contacts
Connecting the M120 Router to a Management Console or Auxiliary Device on page 83 Connecting the M120 Router to a Network for In-Band Management on page 84 Connecting the M120 Router to an External Alarm-Reporting Device on page 85 Copyright © 2010, Juniper Networks, Inc.
Page 111: Figure 43: M120 Console And Auxiliary Serial Port Connector
RE 1 Using a 2.5-mm flat-blade screwdriver, tighten the screws on the connector. Attach the other end of the cable to the console or auxiliary device. Figure 43: M120 Console and Auxiliary Serial Port Connector Copyright © 2010, Juniper Networks, Inc.
Page 112: Connecting The M120 Router To A Network For In-Band Management
RE 0 ), and the ports labeled HOST 1 connect to the Routing Engine in the lower Routing Engine slot ( RE 1 Plug the other end of the cable into the network device. Copyright © 2010, Juniper Networks, Inc.
Page 113: Connecting The M120 Router To An External Alarm-Reporting Device
The terminal blocks that plug into the alarm relay contacts are supplied with the router. They accept wire of any gauge between 28-AWG and 14-AWG (0.08 and 2.08 mm which is not provided. Use the wire gauge appropriate for the external device you are connecting. Copyright © 2010, Juniper Networks, Inc.
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
Placing fasteners on the loop helps to maintain its shape. CAUTION: Avoid bending fiber-optic cable beyond its minimum bend radius. An arc smaller than a few inches in diameter can damage the cable and cause problems that are difficult to diagnose. Copyright © 2010, Juniper Networks, Inc.
Page 116: Figure 48: Attaching A Cable To An M120 Pic
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 Copyright © 2010, Juniper Networks, Inc.
Page 117: Chapter 10 Providing Power To The M120 Router
Reinstall the cable restraint by tightening its retainer screw part of the way into the power supply faceplate. Carefully pull the AC power cords through the cable restraint until you have the desired amount of slack in the power cord. Copyright © 2010, Juniper Networks, Inc.
Page 118: Figure 49: Connecting Ac Power To The M120 Router
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
“M120 DC Power, Connection, and Cable Specifications” on page 234. Figure 50: Connecting DC Power to the M120 Router Related DC Power Electrical Safety Guidelines for the M120 on page 217 Documentation Electrical Specifications for the M120 DC Power Supply on page 233 Copyright © 2010, Juniper Networks, Inc.
Page 120: Powering On The M120 Router
LEDs on the power supply and the command display output—to indicate that the power supply is functioning normally. Ignore error indicators that appear during the first 60 seconds. Repeat Step 5 for the second power supply. Copyright © 2010, Juniper Networks, Inc.
Page 121: Powering Off The M120 Router
Related General Electrical Safety Warnings for M Series, MX Series, and T Series Routers on Documentation page 208 M120 AC Power Supply Description on page 29 Powering On the M120 Router on page 92 Copyright © 2010, Juniper Networks, Inc.
Page 123: Chapter 11 Configuring Junos Os
For complete information about enabling the router to forward traffic, including examples, see the Junos OS configuration guides. To configure the software: Verify that the router is powered on. Log in as the “root” user. There is no password. Copyright © 2010, Juniper Networks, Inc.
Page 124 Set the root authentication password by entering either a clear-text password, an encrypted password, or an SSH public key string (DSA or RSA). [edit] root@# set system root-authentication plain-text-password New password: password Retype new password: password [edit] root@# set system root-authentication encrypted-password encrypted-password Copyright © 2010, Juniper Networks, Inc.
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 All manuals and user guides at all-guides.com 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 129: Chapter 12 Maintaining M120 Router Hardware Components
M120 Router Chassis Description on page 6 Documentation M120 Clearance Requirements for Airflow and Hardware Maintenance on page 41 Routine Maintenance Procedures on the M120 Router Purpose For optimum router performance, perform preventive maintenance procedures regularly. Copyright © 2010, Juniper Networks, Inc.
Page 130: Maintaining The M120 Air Filter
For optimum cooling, verify the condition of the fans. Action Monitor the status of the fans. Each fan tray contains multiple fans that work in unison to cool the router components. If one fan fails, the host subsystem adjusts the speed Copyright © 2010, Juniper Networks, Inc.
Page 131 Rear Top Tray Fan 3 Spinning at high speed Rear Top Tray Fan 4 Spinning at high speed Rear Top Tray Fan 5 Spinning at high speed Rear Top Tray Fan 6 Spinning at high speed Copyright © 2010, Juniper Networks, Inc.
Page 132: Maintaining The M120 Host Subsystem
56 degrees C / 132 degrees F CPU temperature 63 degrees C / 145 degrees F DRAM 3584 MB Memory utilization 12 percent CPU utilization: User 0 percent Background 0 percent Kernel 6 percent Interrupt 0 percent Copyright © 2010, Juniper Networks, Inc.
Page 133 1501 mV 2.5 V 2510 mV 3.3 V 3306 mV 5.0 V 5111 mV 3.3 V bias 3296 mV Bus Revision FPGA Revision For more information about using the CLI, see the Junos OS documentation. Copyright © 2010, Juniper Networks, Inc.
Page 134: Maintaining 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 Copyright © 2010, Juniper Networks, Inc.
Page 135: Holding An M120 Fpc
Place one hand around the FPC faceplate about a quarter of the way down from the top edge. To avoid deforming the electromagnetic interference (EMI) shielding strip, do not press hard on it. Place your other hand at the bottom edge of the FPC. Copyright © 2010, Juniper Networks, Inc.
Page 136: Figure 51: Holding An M120 Fpc Vertically
Never hold or grasp the FPC anywhere except places as indicated in the documentation. In particular, never grasp the connector edge, especially at the power connector in the corner where the connector and bottom edges meet (see Figure 53 on page 109). Copyright © 2010, Juniper Networks, Inc.
Page 137: Figure 53: Do Not Grasp The Connector Edge
All manuals and user guides at all-guides.com 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
FPC into the bag is easier with two people. To do this, one person holds the FPC in the horizontal position with the faceplate facing the body, and the other person slides the opening of the bag over the FPC connector edge. Copyright © 2010, Juniper Networks, Inc.
Page 140: Maintaining M120 Pics And Pic Cables
Place excess cable out of the way in the cable management system. Do not allow fastened loops of cable to dangle from the connector or cable management system, because this stresses the cable at the fastening point. Putting fasteners on the loops helps to maintain their shape. Copyright © 2010, Juniper Networks, Inc.
Page 141: Maintaining The M120 Febs
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. Copyright © 2010, Juniper Networks, Inc.
Page 143: Maintaining The M120 Power Supplies
For optimum router performance, verify the condition of the power supplies. Action Check the status of the power supplies by issuing the show chassis environment pem command. The output is similar to the following: Copyright © 2010, Juniper Networks, Inc.
Page 144 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 Troubleshooting the M120 Power System on page 124 Copyright © 2010, Juniper Networks, Inc.
Page 145: Chapter 13 Troubleshooting M120 Hardware Components
Troubleshooting Using the Command-Line Interface on page 117 Troubleshooting Using the Chassis and Interface Alarm Messages on page 118 Troubleshooting Using the Juniper Networks Technical Assistance Center on page 118 Troubleshooting Using the Command-Line Interface The Junos OS command-line interface (CLI) is the primary tool for controlling and troubleshooting router hardware, the Junos OS, routing protocols, and network connectivity.
Page 146: Troubleshooting Using The Chassis And Interface Alarm Messages
Interface alarms—Indicate a problem with a specific network interface. Troubleshooting Using the Juniper Networks Technical Assistance Center If you need assistance during troubleshooting, you can contact the Juniper Networks Technical Assistance Center (JTAC) by using the Web or by telephone. See “Contacting Customer Support”...
Page 147: Component Leds
PIC LEDs—Each port on each PIC has an LED that indicates the status of the port. See the M120 PIC Guide. Power supply LEDs—One LED on each power supply faceplate indicates the status of that power supply. Copyright © 2010, Juniper Networks, Inc.
Page 148: Troubleshooting The M120 Cooling System
Related M120 Cooling System Description on page 32 Documentation Maintaining the M120 Air Filter on page 102 Maintaining the M120 Fan Trays on page 102 Replacing an M120 Air Filter on page 138 Copyright © 2010, Juniper Networks, Inc.
Page 149: Troubleshooting M120 Fpcs And Cfpcs
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 Replacing an M120 FPC on page 152 Replacing an M120 CFPC on page 157 Copyright © 2010, Juniper Networks, Inc.
Page 150: Troubleshooting M120 Pics
Replacing an M120 PIC on page 161 Troubleshooting M120 FEBs Problem The FEBs are not functioning normally: Solution To troubleshoot the FEBs, follow these guidelines: To troubleshoot the FEBs: Check the FEB LEDs on the craft interface. Copyright © 2010, Juniper Networks, Inc.
Page 152: Troubleshooting An M120 Feb When A Chassis Alarm Is Lit Upon Initial Startup Or Removal
M120 Forwarding Engine Boards (FEBs) Description on page 16 Documentation Maintaining the M120 FEBs on page 113 Replacing an M120 FEB on page 149 Troubleshooting the M120 Power System Problem The power supply is not functioning properly. Copyright © 2010, Juniper Networks, Inc.
Page 153 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 155: Chapter 14 Replacing M120 Hardware Components
Control Board (CB) and the Routing Engine are hot-removable and hot-insertable. Before you replace a CB or a Routing Engine, you must take the host subsystem offline (see “Taking the M120 Host Subsystem Offline” on page 140). Copyright © 2010, Juniper Networks, Inc.
Page 156: Tools And Parts Required To Replace M120 Components
128. Table 22: Tools and Parts Required Tool or part Components 3/8–in. nut driver or pliers Cables and connectors DC power supply Craft interface Blank panels (if component is not reinstalled) Power supply Copyright © 2010, Juniper Networks, Inc.
Page 157: Replacing The M120 Craft Interface
The craft interface is located above the FPC card cage, as shown in Figure 1 on page 7. It houses the Routing Engine interface ports, which accept connections to external management and alarm-reporting devices. Copyright © 2010, Juniper Networks, Inc.
Page 158: Removing The M120 Craft Interface
Also remove the two washers located behind the nuts. Grasp the craft interface by the left and right flanges and carefully pull it straight out of the chassis. Figure 56: Removing the M120 Craft Interface Copyright © 2010, Juniper Networks, Inc.
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 Copyright © 2010, Juniper Networks, Inc.
Page 160: Replacing Connections To M120 Routing Engine Interface Ports
Routing Engine in the right Routing Engine slot ( Plug the other end of the cable into the network device. Figure 59: M120 Ethernet Cable Connectors Figure 60: M120 Routing Engine Interface Ports and Alarm Relay Contacts Copyright © 2010, Juniper Networks, Inc.
Page 161: Replacing The Console Or Auxiliary Cable On The M120 Routing Engine
Using the 2.5-mm flat-blade screwdriver, loosen the small screws on the side of the terminal block. Remove existing wires from the slots in the front of the block and insert replacement wires. Tighten the screws to secure the wire. Copyright © 2010, Juniper Networks, Inc.
Page 162: Replacing M120 Cooling System Components
Each fan tray weighs about 5.3 lb (2.4 kg). To remove any fan tray (see Figure 63 on page 135 and Figure 64 on page 136, which illustrate the upper front fan tray and lower rear fan tray): Copyright © 2010, Juniper Networks, Inc.
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
"this side up" label on the top surface of the fan tray. Tighten the captive screws on each side of the fan tray faceplate to secure it in the chassis. Lower the cable management system back into position, if necessary. Copyright © 2010, Juniper Networks, Inc.
Page 165: Figure 65: Installing An M120 Upper Front Fan Tray
All manuals and user guides at all-guides.com 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
Loosen the captive screws on either side of the air filter faceplate and remove the faceplate. Press back and down on the filter to release it from the hooks, then slide it straight out of the chassis. Copyright © 2010, Juniper Networks, Inc.
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
You can remove the backup host subsystem (or either of its components) without interrupting the functioning of the router. If you take the master host subsystem offline, the backup host subsystem becomes the master (the Copyright © 2010, Juniper Networks, Inc.
Page 169: Table 23: Effect Of Taking The M120 Host Subsystem Offline
NOTE: Router performance might change if the backup Routing Engine's configuration differs from the former master's configuration. For the most predictable performance, configure the two Routing Engines identically, except for parameters unique to each Routing Engine. Copyright © 2010, Juniper Networks, Inc.
Page 170 For more information about the command, see the Junos OS System Basics and Services Command Reference. NOTE: The FEB might continue forwarding traffic for approximately 5 minutes after the command has been issued. request system halt Copyright © 2010, Juniper Networks, Inc.
Page 171: Replacing An M120 Cb
Place one hand underneath the CB to support it and slide it completely out of the chassis. Place the CB on the antistatic mat. If you are not replacing the CB now, install a blank panel over the empty slot. Copyright © 2010, Juniper Networks, Inc.
Page 172: Installing An M120 Cb
LED is lit steadily, remove and install the CB again. If the LED still lights steadily, FAIL the CB is not functioning properly. Contact your customer support representative. To check the status of the CB, use the CLI command: user@host> show chassis environment cb Copyright © 2010, Juniper Networks, Inc.
Page 173: Replacing A Dimm Module In M120 Routing Engines
Depending on which Routing Engine you are using, there are two different procedures for ejecting the DIMMs: For Routing Engines with an ejector on one side of the DIMM, press the plastic ejector of the DIMM module. The edge of the module raises upward. Copyright © 2010, Juniper Networks, Inc.
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
NOTE: To maintain proper airflow through the chassis, do not leave a CB installed in the chassis without a Routing Engine for extended periods of time. If a Routing Engine is removed, a replacement Routing Engine should be installed as soon as possible. Copyright © 2010, Juniper Networks, Inc.
Page 176: Installing An M120 Routing Engine
To check the status of the Routing Engine, use the CLI command: user@host> show chassis routing-engine Routing Engine status: Slot 0: Current state Master ... For more information about using the CLI, see the Junos OS documentation. Copyright © 2010, Juniper Networks, Inc.
Page 177: Replacing Packet Forwarding Engine Components
Removing an M120 FEB Six FEBs are installed in the router. The FEBs are located in the rear of the chassis in the slots marked through . Each FEB weighs approximately 4.5 lb (2.0 kg). FEB0 FEB5 Copyright © 2010, Juniper Networks, Inc.
Page 178: Figure 74: Removing An M120 Feb
Place it on the antistatic mat. 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. Figure 74: Removing an M120 FEB Copyright © 2010, Juniper Networks, Inc.
Page 179: Installing An M120 Feb
LED still lights steadily, the FEB is not functioning properly. Contact FAIL your customer support representative. To check the status of the FEBs, issue the following CLI command: user@host> show chassis environment feb Figure 75: Installing an M120 FEB Copyright © 2010, Juniper Networks, Inc.
Page 180: Replacing An M120 Fpc
Disconnect the cables from the PICs installed in the FPC. If a PIC uses fiber-optic cable, immediately cover each transceiver and the end of each cable with a rubber safety cap. Arrange the disconnected cables in the cable management system, to prevent the cables from developing stress points. Copyright © 2010, Juniper Networks, Inc.
Page 181 FPC panel over the slot to maintain proper airflow in the FPC card cage. CAUTION: After removing an FPC from the chassis, wait at least 30 seconds before reinserting it, removing an FPC from a different slot, or inserting an FPC into a different slot. Copyright © 2010, Juniper Networks, Inc.
Page 182: Installing An M120 Fpc
Ensure that the FPC is right-side up, with the text on the faceplate of the FPC facing upward. Lift the FPC into place and carefully align first the bottom, then the top of the FPC with the guides inside the card cage. Copyright © 2010, Juniper Networks, Inc.
Page 183 Services Command Reference. CAUTION: After the LED lights steadily, wait at least 30 seconds before removing the FPC again, removing an FPC from a different slot, or inserting an FPC in a different slot. Copyright © 2010, Juniper Networks, Inc.
Page 184: Figure 77: Installing An M120 Fpc
“Maintaining M120 FPCs and CFPCs” 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
Hold the button down until the LED goes out. The LEDs and online/offline button for each FPC are located directly above it on the craft interface. Issue the following CLI command: user@host>request chassis fpc slot slot-number offline Copyright © 2010, Juniper Networks, Inc.
Page 186 CFPC panel over the slot to maintain proper airflow within the router. CAUTION: After removing a CFPC from the chassis, wait at least 30 seconds before reinserting it, removing a CFPC from a different slot, or inserting a CFPC into a different slot. Copyright © 2010, Juniper Networks, Inc.
Page 187: Installing An M120 Cfpc
CFPC faceplate until you hear a click as the CFPC contacts the midplane. The ejector lever engages and closes automatically. Remove the rubber safety cap from the transceiver on the CFPC faceplate. Copyright © 2010, Juniper Networks, Inc.
Page 188: Figure 80: Installing An M120 Cfpc
“Maintaining M120 FPCs and CFPCs” on page 106. Figure 80: Installing an M120 CFPC Related M120 Compact FPCs (CFPCs) Overview on page 12 Documentation Maintaining M120 FPCs and CFPCs on page 106 Troubleshooting M120 FPCs and CFPCs on page 121 Copyright © 2010, Juniper Networks, Inc.
Page 189: Replacing An M120 Pic
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. Copyright © 2010, Juniper Networks, Inc.
Page 190: Installing An M120 Pic
PIC panel over the slot to maintain proper airflow in the FPC card cage. Figure 81: Removing an M120 PIC Installing an M120 PIC To install a PIC (see Figure 82 on page 164): Copyright © 2010, Juniper Networks, Inc.
Page 191 Placing fasteners on the loop helps to maintain its shape. CAUTION: Do not let fiber-optic cable hang free from the connector. Do not allow fastened loops of cable to dangle, which stresses the cable at the fastening point. Copyright © 2010, Juniper Networks, Inc.
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 command described show chassis fpc pic-status 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
WARNING: Do not look directly into a fiber-optic transceiver or into the ends of fiber-optic cables. Fiber-optic transceivers and fiber-optic cable connected to a transceiver emit laser light that can damage your eyes. Copyright © 2010, Juniper Networks, Inc.
Page 194: Installing An M120 Pic Cable
CAUTION: Do not let fiber-optic cable hang free from the connector. Do not allow fastened loops of cable to dangle, which stresses the cable at the fastening point. Insert the other end of the cable into the destination port. Copyright © 2010, Juniper Networks, Inc.
Page 195: Figure 83: Connecting Fiber-Optic Cable To An M120 Pic
Figure 83: Connecting Fiber-Optic Cable to an M120 PIC Related M120 PICs Description on page 15 Documentation Connecting PIC Cables to the M120 Router on page 87 Maintaining M120 PICs and PIC Cables on page 112 Copyright © 2010, Juniper Networks, Inc.
Page 196: Replacing An Sfp Or Xfp Transceiver
CAUTION: Make sure that you open the ejector handle completely (you will hear it click). This prevents damage to the transceiver. For the 10-port Gigabit Ethernet PIC, use needlenose pliers to pull the ejector handle out from the SFP. Copyright © 2010, Juniper Networks, Inc.
Page 197: Installing An Sfp Or Xfp Transceiver
PIC or CFPC. Slide the transceiver until the connector is seated in the PIC or CFPC slot. If you are unable to fully insert the transceiver, make sure the connector is facing the right way. Copyright © 2010, Juniper Networks, Inc.
Page 198: Replacing An M120 Xenpak Module
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. Copyright © 2010, Juniper Networks, Inc.
Page 199: Installing An M120 Xenpak Module
(RX) port (see Figure 86 on page 173). Slide the XENPAK module into the slot. Tighten the thumbscrews at the top and bottom of the XENPAK module. Verify that the module is seated properly. Copyright © 2010, Juniper Networks, Inc.
Page 200 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” on page 112. Copyright © 2010, Juniper Networks, Inc.
Page 201: Replacing M120 Power System Components
In a fully configured router, if one power supply fails or is removed, the remaining power supply instantly assumes the entire electrical load. Each power supply (AC or DC) is hot-insertable and hot-removable. Copyright © 2010, Juniper Networks, Inc.
Page 202: Removing An M120 Ac Power Supply
Place one hand underneath the power supply to support it and slide it completely out of the chassis. WARNING: Do not touch the power connectors on the rear of the power supply (see Figure 88 on page 175). They can contain dangerous voltages. Copyright © 2010, Juniper Networks, Inc.
Page 203: Installing An M120 Ac Power Supply
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect the strap to one of the ESD points on the chassis. Move the power switch on the power supply faceplate to the standby position. Copyright © 2010, Juniper Networks, Inc.
Page 204 Switch the power switch on the power supply faceplate to the on position ( ). Verify that the status LED on the power supply faceplate blinks, then lights steadily approximately one minute after you switch on the power switch. Copyright © 2010, Juniper Networks, Inc.
Page 205: Replacing An M120 Dc 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 DC Power Supply on page 178 Installing an M120 DC Power Supply on page 180 Copyright © 2010, Juniper Networks, Inc.
Page 206: Removing An M120 Dc Power Supply
Figure 90: Disconnecting Power Cables from the M120 DC Power Supply Remove the cable lugs from the terminal studs. Loosen the captive screws on the cable restraints on the lower edge of the power supply faceplate. Copyright © 2010, Juniper Networks, Inc.
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
(see Figure 93 on page 182). Loosen the captive screw on the cable restraint on the lower edge of the power supply faceplate. Connect each DC power cable to the appropriate external DC power source. Copyright © 2010, Juniper Networks, Inc.
Page 209: Figure 92: Installing An M120 Dc Power Supply
Switch the power switch on the power supply faceplate to the on position ( ). Verify that the status LED on the power supply faceplate blinks, then lights steadily approximately one minute after you switch on the power switch. Figure 92: Installing an M120 DC Power Supply Copyright © 2010, Juniper Networks, Inc.
Page 210: Replacing An M120 Ac Power Supply Cord
Wrap the cable restraint around the power cord, then slide it along the power cord to a position that enables you to reinstall it in the power supply faceplate. Reinstall the cable restraint by tightening its retainer screw part of the way into the power supply faceplate. Copyright © 2010, Juniper Networks, Inc.
Page 211: Replacing An M120 Dc Power Supply Cable
DC power source at your site determines the color coding for the leads on the power cables that attach to the terminal studs on the power supply faceplate. Copyright © 2010, Juniper Networks, Inc.
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
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 Copyright © 2010, Juniper Networks, Inc.
Page 215: Appendix A Safety And Regulatory Compliance Information For The M120 Router
CAUTION: You must observe the specified guidelines to avoid minor injury or discomfort to you, or severe damage to the router. WARNING: This symbol alerts you to the risk of personal injury from a laser. Copyright © 2010, Juniper Networks, Inc.
Page 216 ¡Atención! Este símbolo de aviso significa peligro. Existe riesgo para su integridad física. Antes de manipular cualquier equipo, considerar los riesgos que entraña la corriente eléctrica y familiarizarse con los procedimientos estándar de prevención de accidentes. Copyright © 2010, Juniper Networks, Inc.
Page 217: General Safety Guidelines For M Series, Mx Series, And T Series Routers
Operate the router only when it is properly grounded. Do not open or remove chassis covers or sheet metal parts unless instructions are provided in this documentation. Such an action could cause severe electrical shock. Copyright © 2010, Juniper Networks, Inc.
Page 218: General Safety Warnings For M Series, Mx Series, And T Series Routers
¡Atención! Estos equipos deben ser instalados y reemplazados exclusivamente por personal técnico adecuadamente preparado y capacitado. Varning! Denna utrustning ska endast installeras och bytas ut av utbildad och kvalificerad personal. Copyright © 2010, Juniper Networks, Inc.
Page 219: Restricted Access Area Warning
Uma área de acesso restrito é uma área à qual apenas tem acesso o pessoal de serviço autorizado, que possua uma ferramenta, chave e fechadura especial, ou qualquer outra forma de segurança. Esta área é controlada pela autoridade responsável pelo local. Copyright © 2010, Juniper Networks, Inc.
Page 220: Preventing Electrostatic Discharge Damage To An M120 Router
Avoid contact between the component and your clothing. ESD voltages emitted from clothing can still damage components. When removing or installing a component, always place it component-side up on an antistatic surface, in an antistatic card rack, or in an electrostatic bag (see Figure 94 Copyright © 2010, Juniper Networks, Inc.
Page 221: Fire Safety Requirements For M Series, Mx Series, And T Series Routers
In addition, establish procedures to protect your equipment in the event of a fire emergency. Juniper Networks products should be installed in an environment suitable for electronic equipment. We recommend that fire suppression equipment be available in the event of a fire in the vicinity of the equipment, and that all local fire, safety, and electrical codes and ordinances be observed when installing and operating your equipment.
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
Varoitus Lue asennusohjeet ennen järjestelmän yhdistämistä virtalähteeseen. Attention Avant de brancher le système sur la source d'alimentation, consulter les directives d'installation. Warnung Lesen Sie die Installationsanweisungen, bevor Sie das System an die Stromquelle anschließen. Copyright © 2010, Juniper Networks, Inc.
Page 224: Rack-Mounting Requirements And Warnings
De router moet in een stellage worden geïnstalleerd die aan een bouwsel is verankerd. Dit toestel dient onderaan in het rek gemonteerd te worden als het toestel het enige in het rek is. Copyright © 2010, Juniper Networks, Inc.
Page 225 Gewährleistung Ihrer Sicherheit dienen: Der router muß in einem Gestell installiert werden, das in der Gebäudestruktur verankert ist. Wenn diese Einheit die einzige im Gestell ist, sollte sie unten im Gestell angebracht werden. Copyright © 2010, Juniper Networks, Inc.
Page 226 O router deverá ser instalado numa prateleira fixa à estrutura do edificio. Esta unidade deverá ser montada na parte inferior da estante, caso seja esta a única unidade a ser montada. Copyright © 2010, Juniper Networks, Inc.
Page 227: Ramp Warning
WARNING: When installing the router, do not use a ramp inclined at more than 10 degrees. Waarschuwing Gebruik een oprijplaat niet onder een hoek van meer dan 10 graden. Varoitus Älä käytä sellaista kaltevaa pintaa, jonka kaltevuus ylittää 10 astetta. Copyright © 2010, Juniper Networks, Inc.
Page 228: Laser And Led Safety Guidelines And Warnings For The M120 Router
The lens in the human eye focuses all the laser power on the retina, so focusing the eye directly on a laser source—even a low-power laser—could permanently damage the eye. Related M120 Laser and LED Safety Warnings on page 201 Documentation Copyright © 2010, Juniper Networks, Inc.
Page 229: M120 Laser And Led Safety Warnings
Warnung Class 1 LED-Produktwarnung. Avvertenza Avvertenza prodotto LED di Classe 1. Advarsel LED-produkt i klasse 1. Aviso Produto de classe 1 com LED. ¡Atención! Aviso sobre producto LED de Clase 1. Varning! Lysdiodprodukt av klass 1. Copyright © 2010, Juniper Networks, Inc.
Page 230: Laser Beam Warning
Attention Des radiations invisibles à l'il nu pouvant traverser l'ouverture du port lorsqu'aucun câble en fibre optique n'y est connecté, il est recommandé de ne pas regarder fixement l'intérieur de ces ouvertures. Copyright © 2010, Juniper Networks, Inc.
Page 231: Maintenance And Operational Safety Warnings For M Series, Mx Series, And T Series Routers
Battery Handling Warning WARNING: Replacing the battery incorrectly might result in an explosion. Replace the battery only with the same or equivalent type recommended by the manufacturer. Dispose of used batteries according to the manufacturer's instructions. Copyright © 2010, Juniper Networks, Inc.
Page 232: Jewelry Removal Warning
WARNING: Before working on equipment that is connected to power lines, remove jewelry, including rings, necklaces, and watches. Metal objects heat up when connected to power and ground and can cause serious burns or weld the metal object to the terminals. Copyright © 2010, Juniper Networks, Inc.
Page 233 Varning! Tag av alla smycken (inklusive ringar, halsband och armbandsur) innan du arbetar på utrustning som är kopplad till kraftledningar. Metallobjekt hettas upp när de kopplas ihop med ström och jord och kan förorsaka Copyright © 2010, Juniper Networks, Inc.
Page 234: Lightning Activity Warning
ο aanbevolen omgevingstemperatuur van 40 C wordt overschreden. Om te voorkomen dat de luchtstroom wordt beperkt, dient er minstens 15,2 cm speling rond de ventilatie-openingen te zijn. Copyright © 2010, Juniper Networks, Inc.
Page 235: Product Disposal Warning
C överskrids. Förhindra att luftcirkulationen inskränks genom att se till att det finns fritt utrymme på minst 15,2 cm omkring ventilationsöppningarna. Product Disposal Warning WARNING: Disposal of this product must be handled according to all national laws and regulations. Copyright © 2010, Juniper Networks, Inc.
Page 236: General Electrical Safety Guidelines And Warnings Electrical Codes For The M120 Router
DC Power Electrical Safety Guidelines for the M120 on page 217 General Electrical Safety Warnings for M Series, MX Series, and T Series Routers Grounded Equipment Warning on page 209 Grounding Requirements and Warning on page 209 Copyright © 2010, Juniper Networks, Inc.
Page 237: Grounded Equipment Warning
WARNING: When installing the router, the ground connection must always be made first and disconnected last. Waarschuwing Bij de installatie van het toestel moet de aardverbinding altijd het eerste worden gemaakt en het laatste worden losgemaakt. Copyright © 2010, Juniper Networks, Inc.
Page 238: Midplane Energy Hazard Warning
Varoitus Tässä laitteessa on useampia virtalähdekytkentöjä. Kaikki kytkennät on irrotettava kokonaan, jotta virta poistettaisiin täysin laitteesta. Attention Cette unité est équipée de plusieurs raccordements d'alimentation. Pour supprimer tout courant électrique de l'unité, tous les cordons d'alimentation doivent être débranchés. Copyright © 2010, Juniper Networks, Inc.
Page 239: Power Disconnection Warning
Sie bei Gleichstromeinheiten den Strom am Unterbrecher ab. Avvertenza Prima di lavorare su un telaio o intorno ad alimentatori, scollegare il cavo di alimentazione sulle unità CA; scollegare l'alimentazione all'interruttore automatico sulle unità CC. Copyright © 2010, Juniper Networks, Inc.
Page 240: Tn Power Warning For The M120 Router
Aviso O dispositivo foi criado para operar com sistemas de corrente TN. ¡Atención! El equipo está diseñado para trabajar con sistemas de alimentación tipo TN. Varning! Enheten är konstruerad för användning tillsammans med elkraftssystem av TN-typ. Copyright © 2010, Juniper Networks, Inc.
Page 241: In Case Of An Electrical Accident
In Case of an Electrical Accident on page 213 Documentation General Electrical Safety Warnings for M Series, MX Series, and T Series Routers on page 208 DC Power Electrical Safety Guidelines for the M120 on page 217 Copyright © 2010, Juniper Networks, Inc.
Page 242: Japanese Ac Power Cord Warning For M Series And Mx Series Routers
Warnung Verwenden Sie ausschließlich Kupferleiter. Avvertenza Usate unicamente dei conduttori di rame. Advarsel Bruk bare kobberledninger. Aviso Utilize apenas fios condutores de cobre. ¡Atención! Emplee sólo conductores de cobre. Varning! Använd endast ledare av koppar. Copyright © 2010, Juniper Networks, Inc.
Page 243: Dc Power Disconnection Warning
Para se assegurar que toda a corrente foi DESLIGADA, localize o disjuntor no painel que serve o circuito de corrente contínua e coloque-o na posição OFF Copyright © 2010, Juniper Networks, Inc.
Page 244: Dc Power Wiring Terminations Warning
Größe für die Drähte haben und sowohl die Isolierung als auch den Leiter festklemmen. Avvertenza Quando occorre usare trecce, usare connettori omologati, come quelli a occhiello o a forcella con linguette rivolte verso l'alto. I connettori Copyright © 2010, Juniper Networks, Inc.
Page 245: Dc Power Electrical Safety Guidelines For The M120
A closed loop ring is recommended for terminating the ground conductor at the ground stud. Run two wires from the circuit breaker box to a source of 48 VDC. Use appropriate gauge wire to handle up to 60 A. Copyright © 2010, Juniper Networks, Inc.
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
ETSI EN-300386-2 Telecommunication Network Equipment. Electromagnetic Compatibility Requirements The router is designed to comply with the following standards: NEBS GR-1089-Core: EMC and Electrical Safety for Network Telecommunications Equipment SR-3580 NEBS Criteria Levels (Level 3 Compliance) GR-63-Core: NEBS, Physical Protection Copyright © 2010, Juniper Networks, Inc.
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 Environmental Requirements for M Series, MX Series, and T Series Routers on page 223 Copyright © 2010, Juniper Networks, Inc.
Page 249: Compliance Statements For Emc Requirements For The M120 Router (European Community)
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. Copyright © 2010, Juniper Networks, Inc.
Page 250: Compliance Statements For Emc Requirements For M Series, Mx Series, And T Series Routers (United States)
Compliance Statements for EMC Requirements for M Series, MX Series, and T Series Documentation Routers (Canada) on page 223 Compliance Statements for EMC Requirements for M Series, MX Series, and T Series Routers (United States) on page 222 Copyright © 2010, Juniper Networks, Inc.
Page 251: Compliance Statements For Emc Requirements For M Series, Mx Series, And T Series Routers (Canada)
Compliance Statements for EMC Requirements for M Series, MX Series, and T Series Routers (Japan) on page 222 Compliance Statements for EMC Requirements for M Series, MX Series, and T Series Routers (Canada) on page 223 Copyright © 2010, Juniper Networks, Inc.
Page 253: Appendix B M120 Router Physical Specifications
Chassis with midplane and fans: 110 lb (49 kg) Maximum configuration: 225 lb (102.1 kg) Related M120 Router Description on page 3 Documentation M120 Router Chassis Description on page 6 M120 Router Environmental Specifications on page 227 Copyright © 2010, Juniper Networks, Inc.
Page 255: Appendix C M120 Router Environmental Specifications
Articles 110-16, 110-17, and 110-18 of the National Electrical Code, ANSI/NFPA 70. Related M120 Router Description on page 3 Documentation M120 Router Chassis Description on page 6 M120 Router Physical Specifications on page 225 Copyright © 2010, Juniper Networks, Inc.
Page 257: Appendix D Power Guidelines, Requirements, And Specifications For The M120
(see Figure 95 on page 230) and two UNC 1/4–20 screws used to secure the grounding cable to the right pair of grounding points. (The cable lug shown in Figure 95 on page 230 is also used for the DC power cables.) Copyright © 2010, Juniper Networks, Inc.
Page 258: M120 Router Ac Power Specifications And Requirements
28 A @ 100 VAC (15 A top inlet, 13 A bottom inlet) 14 A @ 240 VAC Related M120 AC Power Supply Description on page 29 Documentation M120 AC Power Supply LEDs on page 30 Copyright © 2010, Juniper Networks, Inc.
Page 259: M120 Ac Power, Connection, And Power Cord Specifications
(approximately 14.75 ft) in length, to comply with National Electrical Code (NEC) Sections 400-8 (NFPA 75, 5-2.2) and 210-52, and Canadian Electrical Code (CEC) Section 4-010(3). The cords supplied with the router are in compliance. Copyright © 2010, Juniper Networks, Inc.
Page 260: Figure 96: M120 Ac Plug Types
20 A, 125/250 VAC minimum for each AC power supply. Doing so enables you to operate the router in any configuration without upgrading the power infrastructure. In North America and Japan, use both inlets for 125 VAC. Copyright © 2010, Juniper Networks, Inc.
Page 261: M120 Router Dc Power Specifications And Requirements
M120 DC Power Supply Description on page 31 Documentation M120 DC Power Supply LEDs on page 32 Replacing an M120 DC Power Supply on page 177 DC Power Electrical Safety Guidelines for the M120 on page 217 Copyright © 2010, Juniper Networks, Inc.
Page 262: M120 Dc Power, Connection, And Cable Specifications
DC power source at your site determines the color coding for the leads on the power cables that attach to the terminal studs on the power supply faceplate. Figure 97 on page 235 shows a typical DC source cabling arrangement. Copyright © 2010, Juniper Networks, Inc.
Page 263: Figure 97: Typical Dc Source Cabling To The M120 Router
(minimum). CAUTION: Before router installation begins, a licensed electrician must attach a cable lug to the grounding and power cables that you supply. A cable with an incorrectly attached lug can damage the router. Copyright © 2010, Juniper Networks, Inc.
Page 264: Table 29: M120 Dc Power And Grounding Cable Specifications
For instructions on replacing a DC power cable, see “Replacing an M120 DC Power Supply Cable” on page 183. Related Connecting Power to a DC-Powered M120 Router on page 91 Documentation Replacing an M120 DC Power Supply on page 177 M120 DC Power Supply Description on page 31 Copyright © 2010, Juniper Networks, Inc.
Page 265: Site Electrical Wiring Guidelines For M Series, Mx Series, And T Series Routers
For PIC power requirements, see the M120 PIC Guide. Table 30: Power System Electrical Specifications Item Specification AC input voltage Operating range: 100 to 240 VAC AC input line frequency 47 to 63 Hz Copyright © 2010, Juniper Networks, Inc.
Page 266: Table 31: Ac Power Supply Electrical Specifications
Specification Maximum output power 2100 W DC input voltage Nominal: –48 VDC, –60 VDC Operating range: –40.0 to –72 VDC DC input current rating 60 A @ –48 VDC Internal Supplementary 60 A Protector Copyright © 2010, Juniper Networks, Inc.
Page 267: Table 33: Component Power Requirements
5.11 A + 4.52 A + 2.24 A + 3.68 A + 10.74 A + 16.8 A = 43.09 A @ –48 VDC = 2,068 W DC System thermal output for maximally configured DC-powered router: Watts DC * 3.41 = BTU/hr 2,068 * 3.41 = 7052 BTU/hr Copyright © 2010, Juniper Networks, Inc.
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
Calculating Power Budget for Fiber-Optic Cable for M Series, MX Series, and T Series Routers on page 244 Calculating Power Margin for Fiber-Optic Cable for M Series, MX Series, and T Series Routers on page 244 Copyright © 2010, Juniper Networks, Inc.
Page 270: Router
Attenuate the power to bring it within the allowable range; for short lengths of fiber, with fiber and connector loss close to zero, an attenuator of 5 to 10 dB should be sufficient. Copyright © 2010, Juniper Networks, Inc.
Page 271: M120 Attenuation And Dispersion In Fiber-Optic Cable
When chromatic dispersion is at the maximum allowed, its effect can be considered as a power penalty in the power budget. The optical power budget must allow for the sum of component attenuation, power penalties (including those from dispersion), and a safety margin for unexpected losses. Copyright © 2010, Juniper Networks, Inc.
Page 272: Calculating Power Budget For Fiber-Optic Cable For M Series, Mx Series, And T Series Routers
( from the power budget ( ). A worst-case estimate of assumes maximum – LL greater than zero indicates that the power budget is sufficient to operate the receiver. Copyright © 2010, Juniper Networks, Inc.
Page 273: Table 34: Estimated Values For Factors Causing Link Loss
) as the sum of fiber attenuation (8 km @ 0.5 dB/km, or 4 dB) and loss for seven connectors (0.5 dB per connector, or 3.5 dB). The power margin ( ) is calculated as follows: Copyright © 2010, Juniper Networks, Inc.
Page 274: Routing Engine Interface Cable And Wire Specifications For The M120 Router
Alarm relay contacts Wire with gauge between None — 24-AWG and 12-AWG (0.20 and 3.33 mm Related Replacing Connections to M120 Routing Engine Interface Ports on page 132 Documentation M120 Routing Engine Description on page 18 Copyright © 2010, Juniper Networks, Inc.
Page 275: Appendix F M120 Cable Connector Pinouts
247 describes the RJ-45 connector pinout. Table 36: RJ-45 Connector Pinout for the Routing Engine ETHERNET Port Signal TX– Termination network Termination network RX– Termination network Termination network Related M120 Routing Engine Description on page 18 Documentation Copyright © 2010, Juniper Networks, Inc.
Page 276: Rj-45 Connector Pinouts For The Routing Engine Aux And Console Ports
M120 PICs Description on page 15 RJ-45 Connector Pinouts for the External Clock Ports The External Interface clock connector uses an RJ-45 connector. Table 38 on page 249 describes the pinouts for the RJ-45 connector. Copyright © 2010, Juniper Networks, Inc.
Page 277: Rj-48 Cable Pinouts For E1 And T1 Pics
RJ-48 connector pinouts. Table 39: RJ-48 Connector to RJ-48 Connector (Straight) Pinout for the Router RJ-48 Pin RJ-48 Pin (on T1/E1 PIC) (Data numbering (Data numbering form) form) Signal RX, Ring, – RX, Tip, + Copyright © 2010, Juniper Networks, Inc.
Page 278: Table 40: Rj-48 Connector To Rj-48 Connector (Crossover) Pinout For The
Router RJ-48 Pin RJ-48 Pin (on T1/E1 PIC) (Data numbering (Data numbering form) form) Signal RX/Ring/– <––>TX/Ring/– RX/Tip/+ <––>TX/Tip/+ TX/Ring/– <––>RX/Ring/– TX/Tip/+ <––>RX/Tip/+ Shield/Return/Ground Shield/Return/Ground No connect No connect No connect No connect Copyright © 2010, Juniper Networks, Inc.
Page 279: Table 41: Rj-48 Connector To Db-15 Connector (Straight) Pinout For The
No connect Table 42: RJ-48 Connector to DB-15 Connector (Crossover) Pinout for the Router DB-15 Pin RJ-48 Pin (on T1/E1 PIC) (Data numbering (Data numbering form) form) Signal RX/Ring/– <––>TX/Ring/– RX/Tip/+ <––>TX/Tip/+ TX/Ring/– <––>RX/Ring/– Copyright © 2010, Juniper Networks, Inc.
Page 280: M120 X.21 And V.35 Cable Pinouts For Eia-530 Pic
253 describes the V.35 cable pinouts. An X.21 connection requires an DB-25 to X.21 cable and connects to a X.21 DTE DB-15 male cable. Table 44 on page 254 describes the X.21 cable pinouts. Copyright © 2010, Juniper Networks, Inc.
Page 281: Figure 98: M120 Eia-530 Pic
Ready To Send Clear To Send Data Set Ready Data Terminal Ready DTE Transmit Clock DTE Transmit Clock Transmit Clock Transmit Clock Receive Clock Receive Clock FGND Protective Ground Signal Ground Data Carrier Detect Copyright © 2010, Juniper Networks, Inc.
Page 282: M120 Fast Ethernet Pic 48-Port Cable Pinouts
The Fast Ethernet 48-port PIC has four VHDCI connector ports on its faceplate (see Figure 99 on page 255), each of which accepts one of the four RJ-21 cables supplied with the PIC (see Figure 100 on page 255). Each VHDCI connector port supports 12 Ethernet ports. Copyright © 2010, Juniper Networks, Inc.
Page 283: Figure 99: Fast Ethernet 48-Port Pic
RX + 0, 12, 24, 36 1, 13, 25, 37 2, 14, 26, 38 3, 15, 27, 39 4, 16, 28, 40 5, 17, 29, 41 6, 18, 30, 42 7, 19, 31, 43 Copyright © 2010, Juniper Networks, Inc.
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
Locating M120 Component Serial Numbers on page 257 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
M120 Control Board (CB) Description on page 21 Documentation M120 Control Board (CB) LEDs on page 23 M120 FEB Serial Number Label The serial number is located in the center of the right side (see Figure 104 on page 260). Copyright © 2010, Juniper Networks, Inc.
Page 288: M120 Fpc Serial Number Label
M120 Flexible PIC Concentrators (FPCs) Overview on page 9 Documentation Troubleshooting M120 FPCs and CFPCs on page 121 M120 CFPC Serial Number Label The serial number label is located on the top center of the CFPC (see Figure 106 on page 261). Copyright © 2010, Juniper Networks, Inc.
Page 289: M120 Pic Serial Number Label
PIC is vertically oriented (as it would be installed in the router). The exact location may be slightly different on different PICs, depending on the placement of components on the PIC board. Figure 107: M120 PIC Serial Number Label Copyright © 2010, Juniper Networks, Inc.
Page 290: M120 Power Supply Serial Number Labels
Figure 108: M120 AC Power Supply Serial Number Label Figure 109: M120 DC Power Supply Serial Number Label Related M120 Power Supplies Description on page 29 Documentation Troubleshooting the M120 Power System on page 124 Copyright © 2010, Juniper Networks, Inc.
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
To pack the router for shipment: Retrieve the shipping crate and packing materials in which the router was originally shipped. If you do not have these materials, contact your Juniper Networks representative about approved packaging materials. 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 294 Tools and Parts Required to Remove Components from an M120 Router on page 265 Documentation Displaying M120 Router Components and Serial Numbers on page 257 Contacting Customer Support on page 263 Guidelines for Packing M120 Components for Shipment on page 267 Copyright © 2010, Juniper Networks, Inc.
Page 295: Guidelines For Packing M120 Components For Shipment
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 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 (for Routing Engine management) chromatic dispersion in fiber-optic cable....243 cable cleaning instructions connector pinout (RJ-45)......247, 248 fiber-optic transceivers..........112 cable specifications............246 clearance, around rack............41 installing cable..............83 replacing serial cable ..........133 Copyright © 2010, Juniper Networks, Inc.
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 (for Routing FPCs..................106 Engine management) host subsystem............104 tools required............81 PICs..................112 cable, Ethernet port (for Routing Engine power supplies...............115 management) maintenance tools required............81 warnings.................203 cable, PIC for maintenance or replacement....166 Copyright © 2010, Juniper Networks, Inc.
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 See cable, parts list................46 fiber-optic................242 physical specifications...........6 unpacking.................44 weight...................6 Copyright © 2010, Juniper Networks, Inc.
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.

Juniper Networks Hardware Manual

Chapter 1 Overview of the M120 Router

Chapter 2 M120 Hardware Components

Chapter 3 Preparing the Site for M120 Router Installation

Chapter 4 Unpacking the M120 Router

Chapter 5 Installing the M120 Router Mounting Hardware

Chapter 6 Installing the M120 Router with a Lift

Chapter 7 Installing the M120 Router Without a Mechanical Lift

Chapter 8 Grounding the M120 Router

Chapter 9 Connecting the M120 Router to External Devices

Chapter 10 Providing Power to the M120 Router

Chapter 11 Configuring Junos os

Chapter 12 Maintaining M120 Router Hardware Components

Chapter 13 Troubleshooting M120 Hardware Components

Chapter 14 Replacing M120 Hardware Components

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