Juniper networks T320 User Manual

T320 Core Router

Hardware Guide

Published: 2010-10-28

Juniper Networks, Inc. 1194 North Mathilda Avenue Sunnyvale, California 94089 USA 408-745-2000 www.juniper.net

This productincludes the Envoy SNMP Engine, developed by Epilogue Technology,an Integrated Systems Company.Copyright © 1986-1997, Epilogue Technology Corporation. All rights reserved. This program and its documentation were developed at private expense, and no part of them is in the public domain.

This product includes FreeBSD software developed by the University of California, Berkeley, and its contributors. All of the documentation and software included in the 4.4BSD and 4.4BSD-Lite Releases is copyrighted by the Regents of the University of California. Copyright © 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994. The Regents of the University of California. All rights reserved.

GateD software copyright © 1995, the Regents of the University. All rights reserved. Gate Daemon was originated and developed through release 3.0 by Cornell University and its collaborators. Gated is based on Kirton’s EGP, UC Berkeley’s routing daemon (routed), and DCN’s HELLO routing protocol. Development of Gated has been supported in part by the National Science Foundation. Portions of the GateD software copyright © 1988, Regents of the University of California. All rights reserved. Portions of the GateD software copyright © 1991, D. L. S. Associates.

Juniper Networks, Junos, Steel-Belted Radius, NetScreen, and ScreenOS are registered trademarks of Juniper Networks, Inc. in the United States and other countries. The Juniper Networks Logo, the Junos logo, and JunosE are trademarks of Juniper Networks, Inc. All other trademarks, service marks, registered trademarks, or registered service marks are the property of their respective owners.

Juniper Networks assumes no responsibility for any inaccuracies in this document. Juniper Networks reserves the right to change, modify, transfer, or otherwise revise this publication without notice.

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.

T320 Core Router Hardware Guide

Revision History October 2010—Corporate rebranding. August 2010—Corporate rebranding. May 2010—For Junos OS Release 10.0 and later, added support of the external clock inputs on the SCG. September 2009—Completed topic conversion. 18 March2008— 530-021111-01 Revision 2.Updated high-availability information. Updated recommendation for theminimum circuit breaker for each input. 22 June 2007— 530-021111-01 Revision 1. Removed the end-of-life CB, Added the first supported Junos OS release for each FPC. Corrected the description of the T-CB, clearance and rack requirements, mounting hardware procedures, output of the show chassis environment pem command, the note regarding matching voltage, and the gauge of the DC power and grounding cables. 20 October 2006— 530-017397-01 Revision 1. Added European Community EMC Declaration of Conformity. 28 June2006—530-014305-01 Revision3. CorrectedDC system current rating andFPC1, FPC2, andFPC3 current requirements, and updated the corresponding power calculation examples. Added how much torque to apply when securing the cable lugs to the DC power supplies. 13 April 2006—530-014305-01 Revision 2. Changed replacement procedures to reflect the fact that some Routing Engines might or might not have retaining screws. Updated Junos OS release recommendation for graceful switchover. 26 September 2005—530-014305-01 Revision 1. Added FPC handling and storage procedures. 05 April 2005—530-007470-01 Revision 2. Reorganized to conform to newly established standards. 01 April 2004—General updates and cleanup. 30 June 2003—Updated information and minor edits. 02 April 2002—Second edition. 03 December 2001—First edition.

The information in this document is current as of the date listed in the revision history.

YEAR 2000 NOTICE

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.

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3. License Grant. Subject to paymentof the applicable fees and thelimitations andrestrictions set forth herein, Juniper grants toCustomer a non-exclusive and non-transferable license, without right to sublicense, to use the Software, in executable form only, subject to the following use restrictions:

a. Customer shall use Embedded Software solely as embedded in, and for execution on, Juniper equipment originally purchased by Customer from Juniper or an authorized Juniper reseller.

b. Customer shall use the Software on a single hardware chassis having a single processing unit, or as many chassis or processing units for which Customer has paid the applicable license fees; provided, however, with respect to the Steel-Belted Radius or Odyssey Access Client software only, Customer shall use such Software on a single computer containing a single physical random access memory space and containing any number of processors. Use of the Steel-Belted Radius or IMS AAA software on multiple computers or virtual machines (e.g., Solaris zones) requires multiple licenses, regardless of whether such computers or virtualizations are physically contained on a single chassis.

c. Product purchase documents, paper or electronic user documentation, and/or the particular licenses purchased by Customer may specify limitsto Customer’s useof the Software. Suchlimits may restrictuse to amaximum numberof seats, registered endpoints, concurrent users, sessions, calls, connections, subscribers, clusters, nodes, realms, devices, links, ports or transactions, or require the purchase of separate licenses to use particular features, functionalities, services, applications, operations, or capabilities, or provide throughput, performance, configuration, bandwidth, interface, processing, temporal, or geographical limits. In addition, such limits may restrict the use of the Software to managing certain kinds of networks or require the Software to be used only in conjunction with other specific Software. Customer’s use of the Software shall be subject to all such limitations and purchase of all applicable licenses.

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Software in any manner that extends or is broader than the uses purchased by Customer from Juniper or an authorized Juniper reseller; (i) use Embedded Software on non-Juniper equipment; (j) use Embedded Software (or make it available for use) on Juniper equipment that the 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.

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8. Warranty, Limitation of Liability, Disclaimer of Warranty. The warranty applicable to the Software shall be as set forth in the warranty statementthat accompaniesthe Software (the“Warranty Statement”).Nothing inthis Agreement shallgive riseto any obligation to support the Software. Support services may be purchased separately. Any such support shall be governed by a separate, written support services agreement. TO THE MAXIMUM EXTENT PERMITTED BY LAW, JUNIPER SHALL NOT BE LIABLE FOR ANY LOST PROFITS, LOSS OF DATA, OR COSTS ORPROCUREMENT OFSUBSTITUTE GOODSOR SERVICES,OR FORANY SPECIAL, INDIRECT, ORCONSEQUENTIAL DAMAGES ARISING OUTOF THIS AGREEMENT,THE SOFTWARE,OR ANY JUNIPEROR JUNIPER-SUPPLIEDSOFTWARE. INNO EVENT SHALLJUNIPER BE LIABLE FOR DAMAGES ARISING FROM UNAUTHORIZED OR IMPROPER USE OF ANY JUNIPER OR JUNIPER-SUPPLIED SOFTWARE. EXCEPT AS EXPRESSLY PROVIDED IN THE WARRANTY STATEMENT TO THE EXTENT PERMITTED BY LAW, JUNIPER DISCLAIMS ANY AND ALL WARRANTIES IN AND TO THE SOFTWARE (WHETHER EXPRESS, IMPLIED, STATUTORY, OR OTHERWISE), INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NONINFRINGEMENT. IN NO EVENT DOES JUNIPER WARRANT THAT THE SOFTWARE, OR ANY EQUIPMENT OR NETWORK RUNNING THE SOFTWARE, WILL OPERATE WITHOUT ERROR OR INTERRUPTION, OR WILL BE FREE OF VULNERABILITY TO INTRUSION OR ATTACK. In no event shall Juniper’s or its suppliers’ or licensors’ liability to Customer, whether in contract, tort (including negligence), breach of warranty, or otherwise, exceed the price paid by Customer for the Software that gave rise to the claim, or if the Software is embedded in another Juniper product, the price paid by Customer for such other product. Customer acknowledges and agrees that Juniper has set its prices and entered into this Agreement in reliance upon the disclaimers of warranty and the limitations of liability set forth herein, that the same reflect an allocation of risk between the Parties (including the risk that a contract remedy may fail of its essential purpose and cause consequential loss), and that the same form an essential basis of the bargain between the Parties.

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at http://www.gnu.org/licenses/lgpl.html .

15. Miscellaneous. This Agreement shall be governed by the laws of the State of California without reference to its conflicts of laws principles. The provisions of the U.N. Convention for the International Sale of Goods shall not apply to this Agreement. For any disputes arising under this Agreement, the Parties hereby consent to the personal and exclusive jurisdiction of, and venue in, the state and federal courts within Santa Clara County, California. This Agreement constitutes the entire and sole agreement between Juniper and the Customer with respect to the Software, and supersedes all prior and contemporaneous agreements relating to the Software, whether oral or written (including any inconsistent terms contained in a purchase order), except that the terms of a separate written agreement executed by an authorized Juniper representative and Customer shall govern to the extent such terms are inconsistent or conflict with terms contained herein. No modification to this Agreement nor any waiver of any rights hereunder shall be effective unless expressly assented to in writing by the party to be charged. If any portion of this Agreement is held invalid, the Parties agree that such invalidity shall not affect the validity of the remainder of this Agreement. This Agreement and associated documentation has been written in the English language, and the Parties agree that the English version will govern. (For Canada: Les parties aux présentés confirment leur volonté que cette convention de même que tous les documents y compris tout avis qui s'y rattaché, soient redigés en langue anglaise. (Translation: The parties confirm that this Agreement and all related documentation is and will be in the English language)).

About the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi

Junos OS Documentation and Release Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi

Objectives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi

Audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxii

Documentation Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxii

Documentation Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiii

Requesting Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiv

Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxiv

Opening a Case with JTAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxv

Part 1 T320 Router Product Overview

Chapter 1 T320 System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

T320 Router Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Chapter 2 T320 Router System Architecture Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

System Architecture Description for M320, T320, T640, and T1600 Routers . . . . . 5

Routing Engine Functions for M320, T320, T640, and T1600 Routers . . . . . . . . . . 6

Packet Forwarding Engine Architecture for T320, T640, and T1600 Routers . . . . . 7

Packet Forward Engine Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Data Flow Through the T320, T640, and T1600 Router . . . . . . . . . . . . . . . . . . 7

Chapter 3 T320 Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

T320 Component Redundancy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

T320 Chassis Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

T320 Midplane Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

T320 Flexible PIC Concentrators (FPCs) Overview . . . . . . . . . . . . . . . . . . . . . . . . . 15

T320 Flexible PIC Concentrators (FPCs) Description . . . . . . . . . . . . . . . . . . . 16

T320 FPC Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

T320 FPC Slots . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

T320 FPC Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

T320 FPC Edges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Identifying the T320 FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

T320 FPCs Supported . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

T320 PIC Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

T320 Switch Interface Boards (SIBs) Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

T320 Switch Interface Boards (SIBs) Description . . . . . . . . . . . . . . . . . . . . . . 23

T320 SIB LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

T320 Host Subsystem Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

T320 Core Router Hardware Guide

T320 Routing Engine Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

T320 Routing Engine Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

T320 RE-600 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

T320 RE-600 LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

T320 RE-1600 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

T320 RE-1600 LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

T320 RE-2000 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

T320 RE-2000 LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

T320 Control Boards Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

T320 T-CB Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

T320 T-CB LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

T320 SONET Clock Generators (SCGs) Overview . . . . . . . . . . . . . . . . . . . . . . . . . 33

T320 Standard SONET Clock Generator (SCG) Description . . . . . . . . . . . . . 34

T320 SCG LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

T320 Craft Interface Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

T320 Craft Interface Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

T320 Craft Interface Alarm LEDs and ACO/LT Button . . . . . . . . . . . . . . . . . . 36

T320 Craft Interface LCD and Navigation Buttons . . . . . . . . . . . . . . . . . . . . . 36

T320 Craft Interface Host Subsystem LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . 38

T320 Craft Interface SIB LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

T320 Craft Interface FPC LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

T320 Connector Interface Panel (CIP) Description . . . . . . . . . . . . . . . . . . . . 40

T320 Routing Engine Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

T320 Alarm Relay Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

T320 Power System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

T320 Power System Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

T320 Power Supply LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

T320 Cooling System Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

T320 Cable Management System Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Part 2 T320 Router Initial Installation

Chapter 4 Preparing for T320 Router Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

T320 Site Preparation Checklist Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

T320 Rack Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

T320 Clearance Requirements for Airflow and Hardware Maintenance . . . . . . . . 51

Chapter 5 Unpacking the T320 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

T320 Router Installation Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Tools and Parts Required to Unpack the T320 Router . . . . . . . . . . . . . . . . . . . . . . 54

Unpacking the T320 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Verifying the T320 Router Parts Received . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Chapter 6 Installing the T320 Router Mounting Hardware . . . . . . . . . . . . . . . . . . . . . . . 59

Verifying the T320 Rack-Mounting Hardware Received . . . . . . . . . . . . . . . . . . . . 59

Before You Install the T320 Rack-Mounting Hardware . . . . . . . . . . . . . . . . . . . . . 59

Installing the T320 Mounting Hardware for a Four-Post Rack or Cabinet . . . . . . 60

Installing the T320 Mounting Hardware for an Open-Frame Rack . . . . . . . . . . . . 63

Table of Contents

Chapter 7 Installing the T320 Router Using a Mechanical Lift . . . . . . . . . . . . . . . . . . . . 67

Safety Requirements, Warnings, and Guidelines for Installing the T320

Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Before You Install the T320 Router Using a Mechanical Lift . . . . . . . . . . . . . . . . . 67

Tools Required to Install the T320 Router Using a Mechanical Lift . . . . . . . . . . . . 68

Installing the T320 Router Using a Mechanical Lift . . . . . . . . . . . . . . . . . . . . . . . . 68

Attaching the T320 Router Installation Handle . . . . . . . . . . . . . . . . . . . . . . . . 70

Removing the T320 Router Installation Handle and Reinstalling the Power

Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Chapter 8 Installing the T320 Router Without a Mechanical Lift . . . . . . . . . . . . . . . . . . 73

Before You Install the T320 Router Without a Mechanical Lift . . . . . . . . . . . . . . . 73

Tools and Parts Required to Install the T320 Router Without a Mechanical

Lift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Removing T320 Components from the Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Removing the T320 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Removing the T320 SIBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Removing the T320 T-CBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Removing the T320 SCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Removing the T320 Rear Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Removing the T320 Cable Management System . . . . . . . . . . . . . . . . . . . . . . 79

Removing the T320 FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Installing the T320 Chassis in the Rack Manually . . . . . . . . . . . . . . . . . . . . . . . . . . 81

Reinstalling T320 Components in the Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

Reinstalling the T320 Rear Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

Reinstalling the T320 SCGs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Reinstalling the T320 T-CBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Reinstalling the T320 SIBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

Reinstalling the T320 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

Reinstalling the T320 FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

Reinstalling T320 Front Fan Trays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Reinstalling the T320 Cable Management System . . . . . . . . . . . . . . . . . . . . . 92

Chapter 9 Connecting the T320 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Tools and Parts Required to Connect the T320 Router . . . . . . . . . . . . . . . . . . . . . 93

Overview of Connecting the T320 Router to Management and Alarm Devices . . 94

Connecting the T320 Router to a Network for Out-of-Band

Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

Connecting the T320 Router to a Management Console or Auxiliary

Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

Connecting the T320 Router to an External Alarm-Reporting Device . . . . . . 96

Connecting PIC Cables to the T320 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . 96

Chapter 10 Providing Power to the T320 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

Tools and Parts Required to Provide Power to the T320 Router . . . . . . . . . . . . . . 99

Connecting the T320 Grounding Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

Connecting DC Power to the T320 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

Powering On the T320 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102

Powering Off the T320 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104

T320 Core Router Hardware Guide

Chapter 11 Performing the Initial T320 Junos OS Configuration . . . . . . . . . . . . . . . . . . 105

Part 3 T320 Router Hardware Maintenance, Troubleshooting, and

Chapter 12 Maintaining T320 Router Hardware Components . . . . . . . . . . . . . . . . . . . . . 111

Chapter 13 Troubleshooting T320 Router Hardware Components . . . . . . . . . . . . . . . . 127

Preparing to Configure the T320 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

Initially Configuring the T320 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105

Entering Configuration Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106

Configuring User Accounts and Passwords . . . . . . . . . . . . . . . . . . . . . . . . . . 106

Configuring System Attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107

Committing the Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108

Replacement Procedures

Tools and Parts Required to Maintain the T320 Hardware Components . . . . . . . 111

Routine Maintenance Procedures for the T320 Router . . . . . . . . . . . . . . . . . . . . . . 111

Maintaining T320 Cooling System Components . . . . . . . . . . . . . . . . . . . . . . . . . . 112

Maintaining the T320 Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112

Maintaining the T320 Fan Trays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113

Maintaining the T320 Host Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113

Maintaining the T320 Routing Engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114

Maintaining the T320 T-CBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

Maintaining the T320 SCGs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

Maintaining the T320 Packet Forwarding Engine Components . . . . . . . . . . . . . . 116

Maintaining T320 FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116

Holding and Storing T320 FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

Holding T320 FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

Storing T320 FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

Maintaining T320 PICs and PIC Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121

Maintaining the T320 SIBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

Maintaining the T320 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124

Overview of Troubleshooting Resources for the T320 Router . . . . . . . . . . . . . . . . 127

Troubleshooting Using the T320 Command-Line Interface . . . . . . . . . . . . . . 127

Troubleshooting Using the T320 LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

Troubleshooting Using the T320 Craft Interface LEDs . . . . . . . . . . . . . . 128

Troubleshooting Using the T320 Component LEDs . . . . . . . . . . . . . . . . 129

Troubleshooting Using the T320 Chassis and Interface Alarm Messages . . 129

Troubleshooting from the Juniper Networks Assistance Center . . . . . . . . . . 132

Troubleshooting the T320 Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132

Troubleshooting the T320 FPCs and PICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133

Troubleshooting the T320 FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133

Troubleshooting the T320 PICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134

Troubleshooting the T320 Power System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135

Table of Contents

Chapter 14 Replacing the T320 Router Hardware Components . . . . . . . . . . . . . . . . . . . 137

T320 Router FRU Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137

Tools and Parts Required to Replace the T320 Hardware Components . . . . . . . 138

Replacing the T320 CIP and Routing Engine Interface Port Cables . . . . . . . . . . . 139

Removing the T320 CIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140

Installing the T320 CIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

Replacing the T320 Connections to Routing Engine Interface Ports . . . . . . . 142

Replacing the T320 Management Ethernet Cables . . . . . . . . . . . . . . . . 143

Replacing the T320 Console or Auxiliary Cable . . . . . . . . . . . . . . . . . . . 145

Replacing the T320 Alarm Relay Wires . . . . . . . . . . . . . . . . . . . . . . . . . . 146

Replacing the T320 Cooling System Components . . . . . . . . . . . . . . . . . . . . . . . . 148

Replacing a T320 Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149

Removing a T320 Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149

Installing a T320 Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150

Removing a T320 Rear Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151

Installing a T320 Rear Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152

Replacing a T320 Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

Removing a Front T320 Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

Installing a Front T320 Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155

Removing a Rear T320 Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155

Installing a Rear T320 Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157

Replacing a T320 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158

Removing a T320 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158

Installing a T320 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159

Replacing the T320 Host Subsystem Components . . . . . . . . . . . . . . . . . . . . . . . 160

Taking the T320 Host Subsystem Offline . . . . . . . . . . . . . . . . . . . . . . . . . . . 160

Replacing a T320 T-CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162

Removing a T320 T-CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163

Installing a T320 T-CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164

Replacing a T320 PC Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165

Removing a T320 PC Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165

Installing a T320 PC Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166

Replacing a DIMM Module in T320 Routing Engines . . . . . . . . . . . . . . . . . . . 166

Removing a T320 DIMM Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167

Installing a T320 DIMM Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167

Replacing a T320 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168

Removing a T320 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168

Installing a T320 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170

Replacing a T320 SCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171

Removing a T320 SCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172

Installing a T320 SCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173

T320 Core Router Hardware Guide

Replacing a T320 SIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174

Removing a T320 SIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174

Installing a T320 SIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175

Replacing T320 Packet Forwarding Engine Components . . . . . . . . . . . . . . . . . . . 176

Replacing a T320 FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177

Removing a T320 FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177

Installing a T320 FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179

Replacing a T320 PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182

Removing a T320 PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182

Installing a T320 PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184

Replacing T320 PIC Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186

Removing a T320 PIC Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187

Installing a T320 PIC Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187

Replacing a T320 SFP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189

Removing a T320 SFP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190

Installing a T320 SFP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191

Replacing a T320 XENPAK Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192

Removing a T320 XENPAK Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 192

Installing a T320 XENPAK Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193

Replacing T320 Power System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195

Replacing a T320 DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195

Removing a T320 DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195

Installing a T320 DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197

Replacing a T320 DC Power Supply Cable . . . . . . . . . . . . . . . . . . . . . . . . . . 200

Removing a T320 DC Power Supply Cable . . . . . . . . . . . . . . . . . . . . . . 200

Installing a T320 DC Power Supply Cable . . . . . . . . . . . . . . . . . . . . . . . 200

Part 4 Appendixes

Appendix A T320 Safety and Regulatory Compliance Information . . . . . . . . . . . . . . . . 205

Definition of Safety Warning Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205

T320 Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207

General Safety Guidelines for M Series, MX Series, and T Series Routers . . 207 General Safety Warnings for M Series, MX Series, and T Series Routers . . . 208

Qualified Personnel Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208

Restricted Access Area Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209

Preventing Electrostatic Discharge Damage to a T320 Router . . . . . . . . . . . 210

Fire Safety Requirements for M Series, MX Series, and T Series Routers . . . . . . . 211

General Fire Safety Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211

Fire Suppression . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211

Fire Suppression Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212

T320 Installation Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . 212

T320 Chassis Lifting Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213

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

Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213

Installation Instructions Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213

Rack-Mounting Requirements and Warnings . . . . . . . . . . . . . . . . . . . . . 214

Ramp Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217

T320 General Laser Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218

Table of Contents

Laser Safety Warnings for M Series, MX Series, and T Series Routers . . . . . . . . . 218

Class 1 Laser Product Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218

Class 1 LED Product Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219

Laser Beam Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219

Radiation from Open Port Apertures Warning . . . . . . . . . . . . . . . . . . . . . . . . 220

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

Series Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221

Battery Handling Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221

Jewelry Removal Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222

Lightning Activity Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223

Operating Temperature Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224

Product Disposal Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225

T320 Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . 226

In Case of an Electrical Accident . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226

General Electrical Safety Guidelines and Electrical Codes for M Series, MX

Series, and T Series Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226

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

Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227

Grounded Equipment Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227

Grounding Requirements and Warning . . . . . . . . . . . . . . . . . . . . . . . . . . 228

Midplane Energy Hazard Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229

Multiple Power Supplies Disconnection Warning . . . . . . . . . . . . . . . . . . 229

Power Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230

DC Power Electrical Safety Warnings for M Series, MX Series, and T Series

Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231

DC Power Copper Conductors Warning . . . . . . . . . . . . . . . . . . . . . . . . . . 231

DC Power Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231

DC Power Wiring Terminations Warning . . . . . . . . . . . . . . . . . . . . . . . . . 233

T320 Agency Approvals and Compliance Statements . . . . . . . . . . . . . . . . . . . . 234

T320 Agency Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234

T320 Compliance Statements for NEBS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235

Compliance Statements for EMC Requirements for M Series, MX Series,

and T Series Routers (Canada) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236

T320 Compliance Statements for EMC Requirements (European

Community) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237

Compliance Statements for EMC Requirements for M Series, MX Series,

and T Series Routers (Japan) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238

Compliance Statements for EMC Requirements for M Series, MX Series,

and T Series Routers (United States) . . . . . . . . . . . . . . . . . . . . . . . . . . . 238

Compliance Statements for Environmental Requirements for M Series, MX

Series, and T Series Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238

T320 Compliance Statements for Acoustic Noise . . . . . . . . . . . . . . . . . . . . 239

Appendix B T320 Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241

T320 Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241

Appendix C T320 Environmental Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243

T320 Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243

T320 Core Router Hardware Guide

Appendix D T320 Power Guidelines, Requirements, and Specifications . . . . . . . . . . . . 245

Appendix E T320 Router Cable and Wire Guidelines and Specifications . . . . . . . . . . . . 251

Appendix F T320 Router Cable Connector Pinouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257

Appendix G Contacting Customer Support and Returning T320 Router Hardware . . 259

T320 Power System Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . 245

T320 Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246

T320 Chassis Grounding Cable and Lug Specifications . . . . . . . . . . . . . . . . . . . . 247

T320 DC Power Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248

T320 DC Power Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249

Site Electrical Wiring Guidelines for M Series and T Series Routers . . . . . . . . . . 249

Distance Limitations for Signaling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249

Radio Frequency Interference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250

Electromagnetic Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250

T320 Network Cable Specifications and Guidelines . . . . . . . . . . . . . . . . . . . . . . . 251

T320 Fiber-Optic and Network Cable Specifications . . . . . . . . . . . . . . . . . . 251

T320 Signal Loss in Multimode and Single-Mode Fiber-Optic Cable . . . . . . 251

T320 Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . 252

T320 Attenuation in SONET/SDH PICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253

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

and T Series Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254

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

T Series Routers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254

T320 Routing Engine Interface Cable and Wire Specifications . . . . . . . . . . . . . . 256

T320 RJ-45 Connector Pinouts for the Routing Engine ETHERNET Port . . . . . . . 257

T320 DB-9ConnectorPinouts forthe Routing EngineAUXILIARYand CONSOLE

Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258

Locating T320 Component Serial Numbers Using the CLI . . . . . . . . . . . . . . . . . 259

Locating T320 Component Serial Number Labels . . . . . . . . . . . . . . . . . . . . . . . . 260

Locating the T320 T-CB Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . 261

Locating the T320 CIP Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . 261

Locating the T320 Craft Interface Serial Number Label . . . . . . . . . . . . . . . . 262

Locating the T320 FPC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . 262

Locating the T320 PIC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . 263

Locating the T320 Power Supply Serial Number Label . . . . . . . . . . . . . . . . 264

Locating the T320 Routing Engine Serial Number Label . . . . . . . . . . . . . . . 265

Locating the T320 SCG Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . 265

Locating the T320 SIB Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . 266

Contacting Customer Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266

T320 Return Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267

Tools and Parts Required to Remove Components from an M Series, MX Series,

or T Series Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268

Packing the T320 Router for Shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268

Packing Router Components for Shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269

Part 5 Index

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273

List of Figures

Part 1 T320 Router Product Overview

Chapter 2 T320 Router System Architecture Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Figure 1: Router Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Figure 2: Control Packet Handling for Routing and Forwarding Table Updates

for the T320 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Figure 3: Data Flow Through the Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Chapter 3 T320 Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Figure 4: Front View of the T320 Router Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Figure 5: Rear View of the T320 Router Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Figure 6: T320 Midplane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Figure 7: FPC Installed in T320 Router Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Figure 8: FPC Online/Offline Button on the Craft Interface . . . . . . . . . . . . . . . . . . 18

Figure 9: FPC Edges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 10: Type 1 PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 11: Type 2 PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 12: Type 3 PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 13: Standard FPC1, FPC2, and FPC3 Supported by the T320 Router . . . . . . 21

Figure 14: Enhanced II FPC1, FPC2, and FPC3 Supported by the T320 Router . . . . 21

Figure 15: T320 SIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 16: T320 Routing Engine 600 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Figure 17: T320 Routing Engine 1600 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Figure 18: Routing Engine 2000 (RE-2000) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Figure 19: T320 control board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Figure 20: T320 SCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Figure 21: Front Panel of the T320 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . 35

Figure 22: T320 LCD in Idle Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Figure 23: T320 LCD in Alarm Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Figure 24: CIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

Figure 25: T320 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Figure 26: Airflow Through the T320 Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Figure 27: T320 Cable Management System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Part 2 T320 Router Initial Installation

Chapter 4 Preparing for T320 Router Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Figure 28: Typical Open-Frame Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Figure 29: T320 Chassis Dimensions and Clearance Requirements . . . . . . . . . . . 52

Chapter 5 Unpacking the T320 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Figure 30: Contents of the Shipping Crate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

T320 Core Router Hardware Guide

Chapter 6 Installing the T320 Router Mounting Hardware . . . . . . . . . . . . . . . . . . . . . . . 59

Chapter 7 Installing the T320 Router Using a Mechanical Lift . . . . . . . . . . . . . . . . . . . . 67

Chapter 8 Installing the T320 Router Without a Mechanical Lift . . . . . . . . . . . . . . . . . . 73

Chapter 9 Connecting the T320 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Chapter 10 Providing Power to the T320 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

Figure 31: Positioning the Spacer Bar on the Rack . . . . . . . . . . . . . . . . . . . . . . . . . 62

Figure 32: Installing the Mounting Hardware for a Four-Post Rack or Cabinet . . . 63

Figure 33: Installing the Mounting Hardware for an Open-Frame Rack . . . . . . . . 65

Figure 34: Installing the T320 Router in the Rack . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Figure 35: Removing a Power Supply Before Installing the Installation

Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Figure 36: Attaching the Installation Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Figure 37: Reinstalling a Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Figure 38: Removing a Power Supply Before Installing the Router . . . . . . . . . . . . 75

Figure 39: Removing a T320 SIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Figure 40: Removing a T320 T-CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Figure 41: Removing a T320 SCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Figure 42: Removing the Rear T320 Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Figure 43: Removing a T320 FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

Figure 44: Attaching the Installation Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Figure 45: Installing the T320 Router in the Rack . . . . . . . . . . . . . . . . . . . . . . . . . . 84

Figure 46: Reinstalling the Rear T320 Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Figure 47: Reinstalling a T320 SCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Figure 48: Reinstalling a T-CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

Figure 49: Reinstalling a SIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

Figure 50: Reinstalling a T320 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

Figure 51: Reinstalling an FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Figure 52: Reinstalling a Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

Figure 53: T320 Routing Engine Management Ports and Alarm Relay

Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

Figure 54: Routing Engine Ethernet Cable Connector . . . . . . . . . . . . . . . . . . . . . . 95

Figure 55: Console and Auxiliary Serial Port Connector . . . . . . . . . . . . . . . . . . . . . 96

Figure 56: Attach Cable to a PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

Figure 57: Connecting DC Power to the T320 Router . . . . . . . . . . . . . . . . . . . . . . 102

Part 3 T320 Router Hardware Maintenance, Troubleshooting, and

Replacement Procedures

Chapter 12 Maintaining T320 Router Hardware Components . . . . . . . . . . . . . . . . . . . . . 111

Figure 58: Do Not Grasp the Connector Edge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

Figure 59: Do Not Carry an FPC with Only One Hand . . . . . . . . . . . . . . . . . . . . . . . 119

Figure 60: Do Not Rest the FPC on an Edge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

Figure 61: Holding an FPC Vertically . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

Figure 62: Do Not Stack FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121

Chapter 14 Replacing the T320 Router Hardware Components . . . . . . . . . . . . . . . . . . . 137

Figure 63: Removing the CIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140

List of Figures

Figure 64: Installing a CIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142

Figure 65: Routing Engine Interface Ports and Alarm Relay Contacts . . . . . . . . . 143

Figure 66: Ethernet Cable Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144

Figure 67: Routing Engine Console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

Figure 68: Routing Engine Alarm Relay Wires . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148

Figure 69: Removing a Front T320 Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150

Figure 70: Installing a Front T320 Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150

Figure 71: Removing a Rear T320 Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152

Figure 72: Installing a Rear T320 Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

Figure 73: Removing the Front Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154

Figure 74: Replacing the Front Filter Element . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154

Figure 75: Installing the Front Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155

Figure 76: Removing the Rear Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156

Figure 77: Removing the Rear Air Filter Element . . . . . . . . . . . . . . . . . . . . . . . . . . . 157

Figure 78: Installing the Rear Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158

Figure 79: Removing a T320 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159

Figure 80: Installing a Replacement T320 Craft Interface . . . . . . . . . . . . . . . . . . 160

Figure 81: Removing a T320 T-CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164

Figure 82: Installing a T-CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164

Figure 83: Removing a PC Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165

Figure 84: Installing a PC Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 166

Figure 85: Installing the DIMM Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168

Figure 86: Removing the T320 Routing Engine Cover . . . . . . . . . . . . . . . . . . . . . . 169

Figure 87: Removing a T320 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170

Figure 88: Installing a T320 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171

Figure 89: Reinstalling the T320 Routing Engine Cover . . . . . . . . . . . . . . . . . . . . . 171

Figure 90: Removing a T320 SCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173

Figure 91: Installing a T320 SCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174

Figure 92: Removing a T320 SIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175

Figure 93: Installing a T320 SIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176

Figure 94: Removing a T320 FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179

Figure 95: Installing a T320 FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181

Figure 96: Connecting Fiber-Optic Cable to a T320 PIC . . . . . . . . . . . . . . . . . . . . 182

Figure 97: Removing a PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184

Figure 98: Installing a PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186

Figure 99: Connecting Fiber-Optic Cable to a T320 PIC . . . . . . . . . . . . . . . . . . . . 189

Figure 100: Small Form-Factor Pluggable (SFP) . . . . . . . . . . . . . . . . . . . . . . . . . 190

Figure 101: Removing a XENPAK Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193

Figure 102: Installing a XENPAK Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195

Figure 103: Disconnecting Power Cables from the DC Power Supply . . . . . . . . . . 196

Figure 104: Removing a T320 Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197

Figure 105: Rear of the Power Supply Showing Midplane Connectors . . . . . . . . . 197

Figure 106: Installing a Replacement T320 Power Supply . . . . . . . . . . . . . . . . . . 199

Figure 107: Connecting Power Cables to the T320 Power Supply . . . . . . . . . . . . 201

Part 4 Appendixes

Appendix A T320 Safety and Regulatory Compliance Information . . . . . . . . . . . . . . . . 205

Figure 108: Placing a Component into an Electrostatic Bag . . . . . . . . . . . . . . . . . 211

T320 Core Router Hardware Guide

Appendix D T320 Power Guidelines, Requirements, and Specifications . . . . . . . . . . . . 245

Appendix G Contacting Customer Support and Returning T320 Router Hardware . . 259

Figure 109: DC Power and Grounding Cable Lug . . . . . . . . . . . . . . . . . . . . . . . . . 248

Figure 110: Typical DC Source Cabling to the Router . . . . . . . . . . . . . . . . . . . . . . 249

Figure 111: Serial Number ID Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260

Figure 112: T-CB Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261

Figure 113: CIP Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262

Figure 114: Craft Interface Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . 262

Figure 115: Serial Number Label on FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263

Figure 116: PIC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264

Figure 117: Power Supply Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . 264

Figure 118: Routing Engine Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . 265

Figure 119: SCG Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265

Figure 120: SIB Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266

List of Tables

About the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi

Table 1: Notice Icons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxii

Table 2: Text and Syntax Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxii

Part 1 T320 Router Product Overview

Chapter 3 T320 Hardware Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Table 3: Identifying the FPCs Supported by the T320 Router . . . . . . . . . . . . . . . . 20

Table 4: FPCs Supported by the T320 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Table 5: T320 SIB LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Table 6: RE-1600 LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Table 7: Routing Engine 2000 LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Table 8: T320 T-CB LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Table 9: T320 SCG LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Table 10: T320 Alarm LEDs and Alarm Cutoff/Lamp Test Button . . . . . . . . . . . . . 36

Table 11: T320 Host Subsystem LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Table 12: SIB LEDs on the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Table 13: FPC LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Table 14: T320 Power Supply LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Part 2 T320 Router Initial Installation

Chapter 4 Preparing for T320 Router Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Table 15: T320 Site Preparation Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Chapter 5 Unpacking the T320 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Table 16: T320 Router Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Table 17: T320 Accessory Box Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

Chapter 6 Installing the T320 Router Mounting Hardware . . . . . . . . . . . . . . . . . . . . . . . 59

Table 18: T320 Four-Post or Cabinet Rack Mounting Hole Locations . . . . . . . . . . 60

Table 19: T320 Open-Frame Rack Mounting Hole Locations . . . . . . . . . . . . . . . . . 64

Part 3 T320 Router Hardware Maintenance, Troubleshooting, and

Replacement Procedures

Chapter 13 Troubleshooting T320 Router Hardware Components . . . . . . . . . . . . . . . . 127

Table 20: T320 Chassis Alarm Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130

Table 21: SONET/SDH Interface Alarm Messages . . . . . . . . . . . . . . . . . . . . . . . . . 131

Chapter 14 Replacing the T320 Router Hardware Components . . . . . . . . . . . . . . . . . . . 137

Table 22: T320 Field-Replaceable Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138

T320 Core Router Hardware Guide

Part 4 Appendixes

Appendix B T320 Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241

Appendix C T320 Environmental Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243

Appendix D T320 Power Guidelines, Requirements, and Specifications . . . . . . . . . . . . 245

Appendix E T320 Router Cable and Wire Guidelines and Specifications . . . . . . . . . . . . 251

Appendix F T320 Router Cable Connector Pinouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257

Table 23: Tools and Parts Required for Component Replacement . . . . . . . . . . . . 138

Table 24: Effect of Taking the T320 Host Subsystem Offline . . . . . . . . . . . . . . . 160

Table 25: T320 Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241

Table 26: Router Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 243

Table 27: Power System Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . 245

Table 28: Component Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246

Table 29: Grounding Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247

Table 30: Power Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248

Table 31: Estimated Values for Factors Causing Link Loss . . . . . . . . . . . . . . . . . 255

Table 32: Cable and Wire Specifications for Routing Engine Management and

Alarm Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 256

Table 33: RJ-45 Connector Pinouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257

Table 34: DB-9 Connector Pinouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 258

About the Documentation

•

Junos OS Documentation and Release Notes on page xxi

•

Objectives on page xxi

•

Audience on page xxii

•

Documentation Conventions on page xxii

•

Documentation Feedback on page xxiii

•

Requesting Technical Support on page xxiv

Junos OS Documentation and Release Notes

For a list of related Junos OS documentation, see

http://www.juniper.net/techpubs/software/junos/ .

If the information in the latest release notes differs from the information in the documentation, follow the 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 T320 Internet 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. After completing the installation and basic configuration procedures covered in this documentation, see the Junos OS configuration guides for information about further Junos OS configuration.

NOTE: For additional information about Juniper Networks routers and the

Physical Interface Cards (PICs) they support—either corrections to or informationthat mighthave been omitted from this guide—see the hardware release notes at http://www.juniper.net/.

T320 Core Router Hardware Guide

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.

Documentation Conventions

Table 1 on page xxii defines the notice icons used in this guide.

Table 1: Notice Icons

DescriptionMeaningIcon

Indicates important features or instructions.Informational note

Table 2 on page xxii defines the text and syntax conventions used in this guide.

Table 2: Text and Syntax Conventions

Represents text that you type.Bold text like this

Fixed-width text like this

Italic text like this

Represents output that appears on the terminal screen.

•

Introduces important new terms.

•

Identifies book names.

•

Identifies RFC and Internet draft titles.

Indicates a situation that might result in loss of data or hardware damage.Caution

Alerts you to the risk of personal injury or death.Warning

Alerts you to the risk of personal injury from a laser.Laser warning

ExamplesDescriptionConvention

To enter configuration mode, type the

configure command:

user@host> configure

user@host> show chassis alarms

No alarms currently active

•

A policy term is a named structure that defines match conditions and actions.

•

Junos System Basics Configuration Guide

•

RFC 1997, BGP Communities Attribute

Table 2: Text and Syntax Conventions (continued)

About the Documentation

ExamplesDescriptionConvention

Italic text like this

Text like this

| (pipe symbol)

# (pound sign)

[ ] (square brackets)

Indention and braces ( { } )

; (semicolon)

Represents variables (options for which you substitute a value) in commands or configuration statements.

Represents names of configuration statements, commands, files, and directories; IP addresses; configuration hierarchy levels; or labels on routing platform components.

Indicates a choice betweenthe mutually exclusivekeywords or variables on either side of the symbol. The set of choices is often enclosed in parentheses for clarity.

same lineas theconfiguration statement to which it applies.

Enclose a variable for which you can substitute one or more values.

Identify a level in the configuration hierarchy.

Identifies a leaf statement at a configuration hierarchy level.

Configure the machine’s domain name:

[edit] root@# set system domain-name

domain-name

•

To configure a stub area, include the

stub statement at the [edit protocols ospf area area-id] hierarchy level.

•

The console port is labeled CONSOLE.

stub <default-metric metric>;Enclose optional keywords or variables.< > (angle brackets)

broadcast | multicast

(string1 | string2 | string3)

rsvp { # Required for dynamic MPLS onlyIndicates a comment specified on the

community name members [ community-ids ]

[edit] routing-options {

static {

route default{

nexthop address; retain;

}

J-Web GUI Conventions

Bold text like this

> (bold right angle bracket)

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

Represents J-Web graphical user interface (GUI) items you click or select.

Separates levels in a hierarchy of J-Web selections.

•

In the Logical Interfaces box, select All Interfaces.

•

To cancel the configuration, click Cancel.

In the configuration editor hierarchy, select Protocols>Ospf.

T320 Core Router Hardware Guide

https://www.juniper.net/cgi-bin/docbugreport/. If you are using e-mail, be sure to include

the following information with your comments:

•

Document or topic name

•

URL or page number

•

Software release version (if applicable)

Requesting Technical Support

Technical productsupport is available through the Juniper Networks Technical Assistance Center (JTAC). If you are a customer with an active J-Care or JNASC support contract, or are covered under warranty, and need post-sales technical support, you can access our tools and resources online or open a case with JTAC.

•

JTAC policies—For a complete understanding of our JTAC procedures and policies, review the JTAC User Guide located at

http://www.juniper.net/us/en/local/pdf/resource-guides/7100059-en.pdf .

•

Product warranties—For product warranty information, visit

http://www.juniper.net/support/warranty/ .

•

JTAC hours of operation—The JTAC centers have resources available 24 hours a day, 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/

•

Search for known bugs: http://www2.juniper.net/kb/

•

Find product documentation: http://www.juniper.net/techpubs/

•

Find solutions and answer questions using our Knowledge Base: http://kb.juniper.net/

•

Download the latest versions of software and review release notes:

http://www.juniper.net/customers/csc/software/

•

Search technical bulletins for relevant hardware and software notifications:

https://www.juniper.net/alerts/

•

Join and participate in the Juniper Networks Community Forum:

http://www.juniper.net/company/communities/

•

Open a case online in the CSC Case Management tool: http://www.juniper.net/cm/

To verifyservice entitlement by product serialnumber,use ourSerial NumberEntitlement (SNE) Tool: https://tools.juniper.net/SerialNumberEntitlementSearch/

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 .

About the Documentation

T320 Core Router Hardware Guide

PART 1

T320 Router Product Overview

•

T320 System Overview on page 3

•

T320 Router System Architecture Overview on page 5

•

T320 Hardware Components on page 11

T320 Core Router Hardware Guide

CHAPTER 1

T320 System Overview

•

T320 Router Description on page 3

T320 Router Description

The T320 Core Router is a complete routing system that provides Gigabit Ethernet, SONET/SDH, and other high-speed interfacesfor large networksand networkapplications, such as those supported by Internet service providers (ISPs).

Application-specific integrated circuits (ASICs) are a definitive part of the router design; these ASICs enable the router to achieve data forwarding rates that match current fiber-optic capacity.

The router accommodates up to eight Flexible PIC Concentrators (FPCs), which can each be configured with a variety of network media types—altogether providing up to 64 Gigabit Ethernet, 64SONET/SDH OC-48/STM-16, or 16 SONET/SDHOC-192/STM-64 ports for the router.

Documentation

The router's maximum aggregate throughput is 160 Gbps, full duplex. The router can forward traffic at high-performance rates for any combination of PICs that does not exceed 20 Gbps on a single FPC3. Any combination exceeding 20 Gbps is supported, but constitutes oversubscription. For information about the FPC types, see “T320 FPCs Supported” on page 22.

The router architecture cleanly separates control operations from packet forwarding operations. This design eliminates processing and traffic bottlenecks, permitting the router to achieve high performance. Control operations in the router are performed by the host subsystem, whichruns Junos OS tohandle routingprotocols, traffic engineering, policy, policing, monitoring, and configuration management. Forwarding operations in the router are performed by the Packet Forwarding Engines, which consist of hardware, including ASICs, designed by Juniper Networks.

• T320 Chassis Description on page 12

• T320 Physical Specifications on page 241

• T320 Environmental Specifications on page 243

• T320 Power Requirements on page 246

T320 Core Router Hardware Guide

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