T640 Core Router
Hardware Guide
Published: 2013-08-20
Copyright © 2013, Juniper Networks, Inc.
Juniper Networks, Inc.
1194 North Mathilda Avenue
Sunnyvale, California 94089
USA
408-745-2000
www.juniper.net
This product includes 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 memory allocation software developed by Mark Moraes, copyright © 1988, 1989, 1993, University of Toronto.
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.
This product includes software developed by Maker Communications, Inc., copyright © 1996, 1997, Maker Communications, Inc.
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.
T640 Router Hardware Guide
Copyright © 2013, Juniper Networks, Inc.
All rights reserved.
Revision History
August 2013—Minor updates.
July 2012—Updated the LED descriptions for the connector interface panel (CIP) and the RE-C1800 Routing Engine. Updated the hardware
labels for the RE-C1800 Routing Engine SSD. Added illustrations to the procedures to replace the solid-state disk (SSD) and CompactFlash
card on a RE-C1800 Routing Engine.
May 2012—For Junos OS Release 11.4R2, added support for the 16-gigabit C1800 Routing Engine.
March 2012—For Junos OS Release 11.4R2, added the six-input DC power supply.
December 2011—Added the serial number location for the LCC-SIB. Updated CIP description and CIP LED description. Minor edits.
July 2011—For Junos OS Release 11.2, added support for the RE-C1800 (RE-DUO-C1800-8G) and LCC-CB on standalone T640 routers.
Added procedures to replace the solid-state disk and CompactFlash card on a RE-DUO-C1800-8G. Updated the procedures to upgrade
and replace the front quiet fan trays. Updated FPCs supported to indicate EOL and EOS status. Updated the SCG LED, troubleshooting,
and alarm information. Added the hex screw for AC power supply connections. Corrected the serial number locations.
March 2011—For Junos OS Release 10.4, added support for external clock inputs on the SONET clock generator (SCG) with two RJ-48 ports.
Removed support of the external clock inputs on the SONET clock generator (SCG) with DB-9 ports. Updated the Taking the Host Subsystem
Offline procedure. Minor edits.
October 2010—Corporate rebranding. Minor edits.
August 2010—Corporate rebranding. Minor edits.
May 2010—For Junos OS Release 10.2, added support of the clock interface ports on the SONET clock generator (SCG). Added the three-phase
delta and wye AC power supplies. Updated the European Community EMC Declaration of Conformity. Updated the DC power supply
specifications.
November 2009—Updated the amber LED to yellow.
September 2009—Completed topic conversion.
Copyright © 2013, Juniper Networks, Inc.ii
10 April 2009— 530-021112-01 Revision 5. Added the Enhanced Scaling FPC2 (T640-FPC2-ES) and Enhanced Scaling FPC4-1P
(T640-FPC4-1P-ES).
6 February 2009— 530-021112-01 Revision 4. Added the Enhanced Scaling FPC1 (T640-FPC1-ES).
31 December 2008— 530-021112-01 Revision 3. Added the 3-input 240-A power supply in 2–INPUTmode. Updated the power requirements.
28 October 2008— 530-021112-01 Revision 2. Updated the failover description for power supplies, high availability information, compliance
statement for acoustic noise, procedure for replacing serial cables, the replacement schedule for air filters, the number of fans, and the
weight of the rear fan tray. Added the T640 Enhanced Scaling FPC3 (T640-FPC3-ES).
22 June 2007— 530-021112-01 Revision 1. Updated DC input voltage range. Updated clearance requirements. Updated procedures for
mounting hardware. Add first Junos OS Release for each FPC. Removed end-of-life control board.
20 October 2006— 530-017398-01 Revision 1. Added European Community EMC Declaration of Conformity.
28 June 2006—530-015180-01 Revision 3. Added Lithium battery compliance statement. Updated Product Reclamation and Recycling
statement. Updated power information for FPCs. Added the power requirements for FPC4. Updated how much torque to apply when
securing the cable to a DC power supply. Corrected thermal output specification.
13 April 2006—530-015180-01 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.
9 January 2006—530-015180-01 Revision 1. Added note about SIB version B. Added graphic of T640-SIB. Added Enhanced Scaling FPC4
and its SIB version B requirement. Corrected power supply input DC current rating.
26 September 2005—530-014306-01 Revision 1. Corrected figures and added power supply input description.
14 September 2005—530-011256-01 Revision 3. Corrected chassis figures and updated SIB content.
25 April 2005—530-011256-01 Revision 2. Updated DC power supply illustration.
01 April 2004—530-011256-01 Revision 1. General updates and cleanup.
30 June 2003—530-007306-01 Revision 3. Updated information and minor edits.
02 April 2002—530-007306-01 Revision 2.
03 December 2001—530-007306-01 Revision 1. First edition.
The information in this document is current as of the date on the title page.
YEAR 2000 NOTICE
Juniper Networks hardware and software products are Year 2000 compliant. 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.
END USER LICENSE AGREEMENT
The Juniper Networks product that is the subject of this technical documentation consists of (or is intended for use with) Juniper Networks
software. Use of such software is subject to the terms and conditions of the End User License Agreement (“EULA”) posted at
http://www.juniper.net/support/eula.html. By downloading, installing or using such software, you agree to the terms and conditions of
that EULA.
iiiCopyright © 2013, Juniper Networks, Inc.
Copyright © 2013, Juniper Networks, Inc.iv
Table of Contents
About the Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxix
Junos OS Documentation and Release Notes . . . . . . . . . . . . . . . . . . . . . . . . xxix
Documentation Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxix
Documentation Feedback . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxxi
Requesting Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxxi
Self-Help Online Tools and Resources . . . . . . . . . . . . . . . . . . . . . . . . . . xxxi
Opening a Case with JTAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxxii
Part 1 T640 Router Product Overview
Chapter 1 T640 Router Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
T640 Router Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
T640 Component Redundancy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Chapter 2 T640 Router System Architecture Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
T640 System Architecture Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
T640 Routing Engine Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
T640 Packet Forwarding Engine Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Data Flow Through the T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Chapter 3 T640 Router Hardware Component Overview . . . . . . . . . . . . . . . . . . . . . . . . . 11
T640 Hardware Component Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
T640 Chassis Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
T640 Midplane Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
T640 Flexible PIC Concentrators (FPCs) Overview . . . . . . . . . . . . . . . . . . . . . . . . . 17
T640 FPC Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
FPC Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Identifying T640 FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
T640 FPCs Supported . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
T640 PIC Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
T640 Switch Interface Boards (SIBs) Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
T640 Switch Interface Boards (SIBs) Description . . . . . . . . . . . . . . . . . . . . . 30
T640 Switch Interface Boards (SIBs) LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
T640 Host Subsystem Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
T640 Host Subsystem Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
T640 Routing Engine Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
T640 Routing Engine Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
T640 RE-600 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
T640 RE-600 LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
T640 RE-1600 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
T640 RE-1600 LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
vCopyright © 2013, Juniper Networks, Inc.
T640 RE-2000 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
T640 RE-2000 LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
T640 RE-C1800 Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
T640 RE-C1800 LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
T640 Control Boards Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
T640 Control Boards Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
T640 Standard Control Boards Description . . . . . . . . . . . . . . . . . . . . . . 44
T640 Standard Control Boards LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
T640 T Series Control Boards (T-CBs) Description . . . . . . . . . . . . . . . . 45
T640 T Series Control Boards (T-CBs) LEDs . . . . . . . . . . . . . . . . . . . . . 46
T640 LCC-CB Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
T640 LCC-CB LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
T640 SONET Clock Generators (SCGs) Overview . . . . . . . . . . . . . . . . . . . . . . . . . 48
T640 SONET Clock Generators (SCGs) Description . . . . . . . . . . . . . . . . . . . 48
T640 SONET Clock Generators (SCGs) LEDs . . . . . . . . . . . . . . . . . . . . . . . . 50
T640 Craft Interface Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
T640 Craft Interface Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
T640 Craft Interface Alarm LEDs and ACO/LT Button . . . . . . . . . . . . . . . . . . 52
T640 Craft Interface LCD and Navigation Buttons . . . . . . . . . . . . . . . . . . . . . 53
T640 Craft Interface Host Subsystem LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . 54
T640 Craft Interface SIB LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
T640 Craft Interface FPC LEDs and Online/Offline Buttons . . . . . . . . . . . . . 55
T640 Connector Interface Panel (CIP) Overview . . . . . . . . . . . . . . . . . . . . . . . . . . 56
T640 Connector Interface Panel (CIP) Description . . . . . . . . . . . . . . . . . . . . 56
CIP Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Management Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Alarm Relay Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
T640 Connector Interface Panel (CIP) LEDs . . . . . . . . . . . . . . . . . . . . . . . . . 58
T640 Power System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
T640 Power System Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
T640 Two-Input 160-A DC Power Supply Description . . . . . . . . . . . . . . . . . . 61
Two-Input 160-A DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Two-Input 160-A DC Power Supply Inputs . . . . . . . . . . . . . . . . . . . . . . . . 61
Two-Input 160-A DC Power Supply Load Sharing and Fault
Tolerance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
T640 Two-Input 160-A DC Power Supply LEDs . . . . . . . . . . . . . . . . . . . . . . . 62
T640 Three-Input 240-A DC Power Supply Description . . . . . . . . . . . . . . . . 63
Three-Input 240-A DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Three-Input 240-A DC Power Supply Inputs . . . . . . . . . . . . . . . . . . . . . . 64
Three-Input 240-A DC Power Supply Load Sharing and Fault
Tolerance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
T640 Three-Input 240-A DC Power Supply LEDs . . . . . . . . . . . . . . . . . . . . . . 65
T640 Four-Input 240-A DC Power Supply Description . . . . . . . . . . . . . . . . . 66
Four-Input 240-A DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Four-Input 240-A DC Power Supply Inputs . . . . . . . . . . . . . . . . . . . . . . . 67
Four-Input 240-A DC Power Supply Load Sharing and Fault
Tolerance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
T640 Four-Input 240-A DC Power Supply LEDs . . . . . . . . . . . . . . . . . . . . . . 68
Copyright © 2013, Juniper Networks, Inc.vi
T640 Core Router Hardware Guide
T640 Six-Input DC Power Supply Description . . . . . . . . . . . . . . . . . . . . . . . . 69
Power Supply Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Redundancy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
T640 Six-Input DC Power Supply LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
T640 Three-Phase Delta and Wye AC Power Supply Description . . . . . . . . . . 71
Three-Phase Delta AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Three-Phase Wye AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
AC Power Supply Load Sharing and Fault Tolerance . . . . . . . . . . . . . . . . 73
T640 Three-Phase Delta and Wye AC Power Supply LEDs . . . . . . . . . . . . . . 74
T640 Cooling System Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Airflow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
Fan Trays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Power Supply Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
T640 Cable Management System Description . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Part 2 T640 Router Initial Installation
Chapter 4 Preparing for T640 Router Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
T640 Site Preparation Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
T640 Rack Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
T640 Clearance Requirements for Airflow and Hardware Maintenance . . . . . . . 83
Chapter 5 T640 Router Installation Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
T640 Router Installation Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Chapter 6 Unpacking the T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Tools and Parts Required to Unpack the T640 Router . . . . . . . . . . . . . . . . . . . . . . 87
Unpacking the T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Verifying the T640 Router Parts Received . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Chapter 7 Installing the T640 Router Mounting Hardware . . . . . . . . . . . . . . . . . . . . . . . 93
Installing the T640 Mounting Hardware for a Four-Post Rack or Cabinet . . . . . . 93
Installing the T640 Mounting Hardware for an Open-Frame Rack . . . . . . . . . . . . 96
Chapter 8 Installing the T640 Router into a Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Overview of Installing the T640 Router in a Rack . . . . . . . . . . . . . . . . . . . . . . . . . 99
Chapter 9 Installing the T640 Router Using a Mechanical Lift . . . . . . . . . . . . . . . . . . . 101
Overview of Installing a T640 Router Using a Mechanical Lift . . . . . . . . . . . . . . . 101
Tools Required to Install the T640 Router Using a Mechanical Lift . . . . . . . . . . . 101
Installing the T640 Router Using a Mechanical Lift . . . . . . . . . . . . . . . . . . . . . . . 102
Removing the T640 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
Attaching the T640 Router Installation Handle . . . . . . . . . . . . . . . . . . . . . . . 103
Mounting the T640 Chassis Using a Mechanical Lift . . . . . . . . . . . . . . . . . . 104
Removing the T640 Router Installation Handle and Reinstalling the Power
Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
viiCopyright © 2013, Juniper Networks, Inc.
Table of Contents
Chapter 10 Installing the T640 Router Without a Mechanical Lift . . . . . . . . . . . . . . . . . 109
Overview of Installing the T640 Router Without a Mechanical Lift . . . . . . . . . . . 109
Tools and Parts Required to Install the T640 Router Without a Mechanical
Lift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Removing Components from the T640 Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Removing the T640 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
Removing the T640 SIBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Removing the T640 Control Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Removing the T640 SCGs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Removing the T640 Standard or Quiet Rear Fan Tray . . . . . . . . . . . . . . . . . . 115
Removing the T640 Cable Management System . . . . . . . . . . . . . . . . . . . . . . 116
Removing the T640 Standard or Quiet Front Fan Trays . . . . . . . . . . . . . . . . . 117
Removing the T640 FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Installing the T640 Chassis in the Rack Manually . . . . . . . . . . . . . . . . . . . . . . . . 120
Reinstalling Components in the T640 Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Reinstalling the T640 Standard or Quiet Rear Fan Tray . . . . . . . . . . . . . . . . 124
Reinstalling the T640 SCGs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
Reinstalling the T640 Control Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Reinstalling the T640 SIBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Reinstalling the T640 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Reinstalling the T640 FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Reinstalling T640 Standard or Quiet Front Fan Trays . . . . . . . . . . . . . . . . . . 130
Reinstalling the T640 Cable Management System . . . . . . . . . . . . . . . . . . . . 132
Chapter 11 Grounding the T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Tools and Parts Required to Ground the T640 Router . . . . . . . . . . . . . . . . . . . . . 133
Connecting the T640 Grounding Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Chapter 12 Connecting the T640 Router to External Devices . . . . . . . . . . . . . . . . . . . . . 135
Overview of Connecting the T640 Router to External Devices . . . . . . . . . . . . . . . 135
Tools and Parts Required to Connect the T640 Router to External Devices . . . . 136
Connecting the T640 Router to a Management Console or Auxiliary Device . . . 136
Connecting the T640 Router to an External Alarm-Reporting Device . . . . . . . . . 138
Connecting the T640 Router to a Network for Out-of-Band Management . . . . 138
Connecting the T640 Router to an External Clocking Device . . . . . . . . . . . . . . . . 140
Connecting PIC Cables to the T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Chapter 13 Providing Power to the T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Tools and Parts Required to Provide Power to the T640 Router . . . . . . . . . . . . . 143
Connecting DC Power to a T640 Router with Two-Input 160-A DC Power
Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Connecting DC Power to a T640 Router with Three-input 240-A DC Power
Supplies (2-INPUT Mode) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Connecting DC Power to a T640 Router with Four-Input 240-A DC Power
Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Connecting DC Power to the T640 Router (Six 60-A Inputs to Six-Input DC
Power Supplies) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Connecting DC Power to the T640 Router (Five 60-A Inputs to Six-Input DC
Power Supplies) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
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Connecting DC Power to the T640 Router (Four 60-A Inputs to Six-Input DC
Power Supplies) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Powering On a DC-Powered T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Connecting AC Power to a T640 Router with Three-Phase Delta AC Power
Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
Connecting AC Power to a T640 Router with Three-Phase Wye AC Power
Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Powering On an AC-Powered T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Powering Off the T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
Chapter 14 Performing the Initial T640 Junos OS Configuration . . . . . . . . . . . . . . . . . . . 171
Preparing to Configure the T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Initially Configuring the T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Entering Configuration Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Configuring User Accounts and Passwords . . . . . . . . . . . . . . . . . . . . . . . . . . 172
Configuring System Attributes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
Committing the Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Configuring DC Power on a T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Configuring DC Power on a T640 Router (Five 60-A Cables on a Six-Input
DC Power Supply) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Configuring DC Power on a T640 (Four 60-A Cables on a Six-Input DC
Power Supply) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
Part 3 T640 Router Hardware Maintenance, Troubleshooting, and
Replacement Procedures
Chapter 15 Maintaining T640 Router Hardware Components . . . . . . . . . . . . . . . . . . . . 179
Tools and Parts Required to Maintain the T640 Hardware Components . . . . . . 179
Routine Maintenance Procedures for the T640 Router . . . . . . . . . . . . . . . . . . . . 179
Maintaining Cooling System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180
Maintaining the T640 Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180
Maintaining the T640 Fan Trays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Maintaining the T640 Host Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Maintaining the T640 Routing Engines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Maintaining the T640 Control Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Maintaining the T640 SCGs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Maintaining the T640 Packet Forwarding Engine Components . . . . . . . . . . . . . 186
Maintaining T640 FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Holding and Storing T640 FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Holding T640 FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Storing T640 FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Maintaining T640 PICs and PIC Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Maintaining the T640 SIBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Maintaining the T640 Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
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Chapter 16 Troubleshooting T640 Router Hardware Components . . . . . . . . . . . . . . . . 199
Overview of Troubleshooting Resources for the T640 Router . . . . . . . . . . . . . . . 199
T640 LED Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Craft Interface LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Component LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
T640 Alarm Messages Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Chassis Alarm Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Interface Alarm Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Troubleshooting the T640 Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 203
Troubleshooting the T640 FPCs and PICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Troubleshooting the T640 FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Troubleshooting the T640 PICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206
Troubleshooting the T640 Power System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207
Troubleshooting the T640 SIBs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Troubleshooting the T640 SONET Clock Generators . . . . . . . . . . . . . . . . . . . . . . 212
Troubleshooting the T640 Host Subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Troubleshooting the T640 Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Troubleshooting the T640 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Chapter 17 Replacing T640 Router Hardware Components . . . . . . . . . . . . . . . . . . . . . . 217
T640 Field-Replaceable Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Tools and Parts Required to Replace the T640 Hardware Components . . . . . . . 218
Replacing the T640 CIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
Removing a T640 CIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
Installing a T640 CIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222
Replacing the T640 Connections to Routing Engine Interface Ports . . . . . . . . . . 223
Replacing the T640 Management Ethernet Cable . . . . . . . . . . . . . . . . . . . . 224
Replacing the T640 Console or Auxiliary Cable . . . . . . . . . . . . . . . . . . . . . . . 227
Replacing the T640 Alarm Relay Wires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
Replacing the T640 Cooling System Components . . . . . . . . . . . . . . . . . . . . . . . 230
Replacing the T640 Standard Lower Front Fan Tray . . . . . . . . . . . . . . . . . . . 231
Removing the T640 Standard Lower Front Fan Tray . . . . . . . . . . . . . . . 231
Installing the T640 Standard Lower Front Fan Tray . . . . . . . . . . . . . . . . 232
Replacing the T640 Standard Upper Front Fan Tray . . . . . . . . . . . . . . . . . . 232
Removing the T640 Standard Upper Front Fan Tray . . . . . . . . . . . . . . . 232
Installing the T640 Standard Upper Front Fan Tray . . . . . . . . . . . . . . . 233
Replacing the T640 Standard Rear Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . 234
Removing the T640 Standard Rear Fan Tray . . . . . . . . . . . . . . . . . . . . . 234
Installing the T640 Standard Rear Fan Tray . . . . . . . . . . . . . . . . . . . . . . 235
Upgrading to the T640 Quiet Fan Trays . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
Upgrading the Standard Lower Front Fan Tray to a Quiet Lower Front
Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237
Removing the Standard Upper Front Fan Tray . . . . . . . . . . . . . . . . . . . . 238
Removing the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Installing the Air Deflector and Craft Interface . . . . . . . . . . . . . . . . . . . . 239
Installing the Quiet Upper Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . 240
Upgrading the Standard Rear Fan Tray to a Quiet Rear Fan Tray . . . . . . 241
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Replacing the T640 Quiet Upper Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . 243
Removing the T640 Quiet Upper Front Fan Tray . . . . . . . . . . . . . . . . . . 243
Installing the T640 Quiet Upper Front Fan Tray . . . . . . . . . . . . . . . . . . 244
Replacing the T640 Quiet Lower Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . 245
Removing the T640 Quiet Lower Front Fan Tray . . . . . . . . . . . . . . . . . . 245
Installing the T640 Quiet Lower Front Fan Tray . . . . . . . . . . . . . . . . . . . 246
Replacing the T640 Quiet Rear Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
Removing the T640 Quiet Rear Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . 247
Installing the T640 Quiet Rear Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . 248
Replacing a T640 Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Removing a Front T640 Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250
Installing a Front T640 Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Removing a Rear T640 Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Installing a Rear T640 Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Replacing a T640 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
Removing a T640 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Installing a T640 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Replacing the T640 Routing Engine or Control Board Components . . . . . . . . . . 256
Replacing the T640 Host Subsystem Components . . . . . . . . . . . . . . . . . . . 256
Taking the T640 Host Subsystem Offline . . . . . . . . . . . . . . . . . . . . . . . 256
Replacing a T640 Standard Control Board or T-CB . . . . . . . . . . . . . . . . . . . 259
Removing a T640 Standard Control Board or T-CB . . . . . . . . . . . . . . . 260
Installing a T640 Standard Control Board or T-CB . . . . . . . . . . . . . . . . 261
Replacing a T640 LCC-CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263
Removing a T640 LCC-CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263
Installing a T640 LCC-CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
Replacing a T640 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Removing a T640 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Installing a T640 Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
Replacing a PC Card in a T640 Routing Engine . . . . . . . . . . . . . . . . . . . . . . 268
Removing a T640 PC Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268
Installing a T640 PC Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
Replacing a DIMM Module in a T640 Routing Engine . . . . . . . . . . . . . . . . . . 270
Removing a T640 DIMM Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
Installing a T640 DIMM Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271
Replacing a Solid-State Disk in a T640 RE-C1800 Routing Engine . . . . . . . 272
Preparing to Replace a Solid-State Disk in a T640 RE-C1800 Routing
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272
Removing a Solid-State Disk in a T640 RE-C1800 Routing Engine . . . . 273
Installing a Solid-State Disk in a T640 RE-C1800 Routing Engine . . . . 274
Copying the Junos OS to the Solid-State Disk in a T640 RE-C1800
Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274
Replacing a CompactFlash Card in a T640 RE-C1800 Routing Engine . . . . 275
Preparing to Replace a CompactFlash Card in a T640 RE-C180 Routing
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275
Removing a CompactFlash Card in a T640 RE-C1800 Routing
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276
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Installing a CompactFlash Card in a T640 RE-C1800 Routing
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276
Copying the Junos OS to the CompactFlash Card in a T640 RE-C1800
Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 277
Replacing a T640 SCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278
Removing a T640 SCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 278
Installing a T640 SCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279
Replacing a T640 SIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 280
Removing a T640 Standard SIB or Standard SIB Version B . . . . . . . . . . . . . 281
Installing a T640 Standard SIB or Standard SIB Version B . . . . . . . . . . . . . . 282
Upgrading to a T640 Standard SIB Version B . . . . . . . . . . . . . . . . . . . . . . . . 283
Preparing to Upgrade to a T640 Standard SIB Version B . . . . . . . . . . . 283
Replacing T640 Standard SIBs with Standard SIB Version B . . . . . . . . 284
Removing a T640-SIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 284
Installing a T640-SIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 286
Replacing T640 Packet Forwarding Engine Components . . . . . . . . . . . . . . . . . . 287
Replacing a T640 FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288
Removing a T640 FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 288
Installing a T640 FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
Replacing a T640 PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293
Removing a T640 PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294
Installing a T640 PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 296
Replacing T640 PIC Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 298
Removing a T640 PIC Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
Installing a T640 PIC Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 299
Replacing a T640 SFP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 301
Removing a T640 SFP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 302
Installing a T640 SFP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 303
Replacing a T640 XENPAK Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304
Removing a T640 XENPAK Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . 304
Installing a T640 XENPAK Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 306
Replacing T640 Power System Components . . . . . . . . . . . . . . . . . . . . . . . . . . . 307
Replacing a T640 Two-Input 160-A DC Power Supply . . . . . . . . . . . . . . . . 308
Removing a T640 Two-Input 160-A DC Power Supply . . . . . . . . . . . . . 308
Installing a T640 Two-Input DC Power Supply . . . . . . . . . . . . . . . . . . . 310
Replacing a T640 Three-Input 240-A DC Power Supply . . . . . . . . . . . . . . . . 314
Removing a T640 Three-Input 240-A DC Power Supply . . . . . . . . . . . . 314
Setting the Input Mode Switch on a Three-Input 240-A DC Power Supply
for a T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 316
Installing a T640 Three-Input 240-A DC Power Supply . . . . . . . . . . . . . 317
Replacing the T640 Cable Restraint on a Three-Input 240-A DC Power
Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 318
Connecting DC Power to a Three-Input 240-A DC Power Supply in a
T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 320
Powering On a T640 Replacement Three-Input 240-A DC Power
Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322
Replacing a T640 Four-Input 240-A DC Power Supply . . . . . . . . . . . . . . . . 323
Removing a T640 Four-Input 240-A DC Power Supply . . . . . . . . . . . . . 323
Installing a T640 Four-Input 240-A DC Power Supply . . . . . . . . . . . . . 326
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Replacing a T640 Six-Input DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . 329
Removing a T640 Six-Input DC Power Supply . . . . . . . . . . . . . . . . . . . 330
Installing a T640 Six-Input DC Power Supply . . . . . . . . . . . . . . . . . . . . 332
Replacing a T640 DC Power Supply Cable on a Two-Input 160-A Power
Supply, Three-Input 240-A DC Power Supply, or a Four-Input 240-A
DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 334
Removing a T640 DC Power Supply Cable from a Two-Input 160-A
Power Supply, Three-Input 240-A DC Power Supply, or a Four-Input
240-A DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 335
Installing a T640 DC Power Supply Cable on a Two-Input 160-A Power
Supply, Three-Input 240-A DC Power Supply, or a Four-Input 240-A
DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 337
Replacing a T640 DC Power Supply Cable on a Six-Input DC Power
Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341
Removing a T640 DC Power Supply Cable from a Six-Input DC Power
Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 341
Installing a T640 DC Power Supply Cable on a Six-Input DC Power
Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 342
Replacing a T640 Six-Input DC Power Supply Front Air Filter . . . . . . . . . . . 343
Removing a T640 Six-Input DC Power Supply Front Air Filter . . . . . . . 344
Installing a T640 Six-Input DC Power Supply Front Air Filter . . . . . . . . 344
Replacing a T640 Six-Input DC Power Supply Side Air Filter . . . . . . . . . . . . 344
Removing a T640 Six-Input DC Power Supply Side Air Filter . . . . . . . . 344
Installing a T640 Six-Input DC Power Supply Side Air Filter . . . . . . . . . 345
Replacing T640 DC Power Supplies with AC Power Supplies . . . . . . . . . . . 346
Removing the T640 DC Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . 346
Installing the T640 Three-Phase Delta AC Power Supplies . . . . . . . . . 350
Installing the T640 Three-Phase Wye AC Power Supplies . . . . . . . . . . 352
Replacing a T640 Three-Phase Delta AC Power Supply . . . . . . . . . . . . . . . 354
Removing a T640 Three-Phase Delta AC Power Supply . . . . . . . . . . . . 354
Installing a T640 Three-Phase Delta AC Power Supply . . . . . . . . . . . . 358
Replacing a T640 Three-Phase Delta AC Power Supply Cord . . . . . . . . . . . 361
Removing a T640 Three-Phase Delta AC Power Supply Cord . . . . . . . . 361
Installing a T640 Three-Phase Delta AC Power Supply Cord . . . . . . . . 363
Replacing a T640 Three-Phase Wye AC Power Supply . . . . . . . . . . . . . . . . 365
Removing a T640 Three-Phase Wye AC Power Supply . . . . . . . . . . . . 365
Installing a T640 Three-Phase Wye AC Power Supply . . . . . . . . . . . . . 367
Replacing a T640 Three-Phase Wye AC Power Supply Cord . . . . . . . . . . . . 370
Removing a T640 Three-Phase Wye AC Power Supply Cord . . . . . . . . 370
Installing a T640 Three-Phase Wye AC Power Supply Cord . . . . . . . . . 371
Replacing a Front Air Filter Element on a T640 AC or DC Power Supply . . . 373
Removing a Front Air Filter Element on a T640 AC or DC Power
Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 373
Installing a Front Air Filter Element on a T640 AC or DC Power
Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 374
Replacing a Side Air Filter on a T640 AC Power Supply . . . . . . . . . . . . . . . . 375
Removing a Side Air Filter on a T640 AC Power Supply . . . . . . . . . . . . . 375
Installing a Side Air Filter on a T640 AC Power Supply . . . . . . . . . . . . . 376
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Table of Contents
Part 4 Appendixes
Appendix A T640 Safety and Regulatory Compliance Information . . . . . . . . . . . . . . . . 381
Definition of Safety Warning Levels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 381
T640 Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 383
General Safety Guidelines for Juniper Networks Devices . . . . . . . . . . . . . . . 383
General Safety Warnings for Juniper Networks Devices . . . . . . . . . . . . . . . . 384
Qualified Personnel Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 384
Restricted Access Area Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 385
T640 Preventing Electrostatic Discharge Damage . . . . . . . . . . . . . . . . . . . . 386
Fire Safety Requirements for Juniper Networks Devices . . . . . . . . . . . . . . . . . . . 388
General Fire Safety Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 389
Fire Suppression . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 389
Fire Suppression Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 389
T640 Installation Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . . . 390
T640 Installation Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 390
General Installation Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . 390
T640 Chassis Lifting Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 390
Installation Safety Warnings for Juniper Networks Devices . . . . . . . . . . . . . . 391
Installation Instructions Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 391
Rack-Mounting Requirements and Warnings . . . . . . . . . . . . . . . . . . . . . 391
Ramp Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 395
T640 Laser and LED Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . 395
T640 General Laser Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 396
Laser Safety Warnings for Juniper Networks Devices . . . . . . . . . . . . . . . . . . 396
Class 1 Laser Product Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 396
Class 1 LED Product Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 397
Laser Beam Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 397
Radiation from Open Port Apertures Warning . . . . . . . . . . . . . . . . . . . . 398
Maintenance and Operational Safety Warnings for Juniper Networks Devices . . 399
Battery Handling Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 399
Jewelry Removal Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 400
Lightning Activity Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 401
Operating Temperature Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 402
Product Disposal Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 403
T640 General Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . 404
In Case of an Electrical Accident . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 404
T640 General Electrical Safety Guidelines and Electrical Codes . . . . . . . . . 404
General Electrical Safety Warnings for Juniper Networks Devices . . . . . . . . 405
Grounded Equipment Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 405
Grounding Requirements and Warning . . . . . . . . . . . . . . . . . . . . . . . . . 406
Midplane Energy Hazard Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 406
Multiple Power Supplies Disconnection Warning . . . . . . . . . . . . . . . . . . 407
Power Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 407
DC Power Electrical Safety Guidelines and Warnings . . . . . . . . . . . . . . . . . . . . . 408
T640 DC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . 409
DC Power Electrical Safety Warnings for Juniper Networks Devices . . . . . . . 410
DC Power Copper Conductors Warning . . . . . . . . . . . . . . . . . . . . . . . . . 410
DC Power Disconnection Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 411
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DC Power Wiring Terminations Warning . . . . . . . . . . . . . . . . . . . . . . . . . 412
AC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 413
T640 AC Power Electrical Safety Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . 413
T640 Agency Approvals and Compliance Statements . . . . . . . . . . . . . . . . . . . . 414
T640 Agency Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 415
T640 Compliance Statements for NEBS . . . . . . . . . . . . . . . . . . . . . . . . . . . . 416
Compliance Statements for EMC Requirements for Juniper Networks Devices
(Canada) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 416
T640 Compliance Statements for EMC Requirements (European
Community) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 417
Compliance Statements for EMC Requirements for Juniper Networks Devices
(Japan) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 418
Compliance Statements for EMC Requirements for Juniper Networks Devices
(United States) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 418
Compliance Statements for Environmental Requirements for Juniper
Networks Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 418
T640 Compliance Statements for Acoustic Noise . . . . . . . . . . . . . . . . . . . . 419
Appendix B T640 Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 421
T640 Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 421
Appendix C T640 Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 423
T640 Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 423
Appendix D T640 Power Guidelines, Requirements, and Specifications . . . . . . . . . . . 425
T640 Chassis Grounding Cable and Lug Specifications . . . . . . . . . . . . . . . . . . . 425
Site Electrical Wiring Guidelines for Juniper Networks Devices . . . . . . . . . . . . . . 426
Distance Limitations for Signaling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 426
Radio Frequency Interference . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 426
Electromagnetic Compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 426
T640 DC Power Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . 427
T640 DC Power System Electrical Specifications . . . . . . . . . . . . . . . . . . . . . 427
T640 DC Power Supply Electrical Specifications . . . . . . . . . . . . . . . . . . . . . 428
T640 DC Power System Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 430
T640 DC Power Cable and Lug Specifications . . . . . . . . . . . . . . . . . . . . . . . 432
T640 DC Power Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 433
T640 AC Power Specifications and Requirements . . . . . . . . . . . . . . . . . . . . . . . 436
T640 AC Power System Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 436
T640 Three-Phase Delta AC Power Supply Specifications . . . . . . . . . . . . . 436
T640 Three-Phase Wye AC Power Supply Specifications . . . . . . . . . . . . . . 437
T640 AC Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 437
T640 AC Power Cord Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 439
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Table of Contents
Appendix E T640 Router Cable and Wire Guidelines and Specifications . . . . . . . . . . . 443
T640 Network Cable Specifications and Guidelines . . . . . . . . . . . . . . . . . . . . . . 443
Network Cable and Transceiver Overview for T Series Routers . . . . . . . . . . 443
Ethernet Cables and Transceivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 444
SONET/SDH Cables and Transceivers . . . . . . . . . . . . . . . . . . . . . . . . . . 444
Understanding Fiber-Optic Cable Signal Loss, Attenuation, and
Dispersion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 445
Signal Loss in Multimode and Single-Mode Fiber-Optic Cable . . . . . . . 445
Attenuation and Dispersion in Fiber-Optic Cable . . . . . . . . . . . . . . . . . 445
Calculating Power Budget and Power Margin for Fiber-Optic Cables . . . . . 446
Calculating Power Budget for Fiber-Optic Cable . . . . . . . . . . . . . . . . . . 446
Calculating Power Margin for Fiber-Optic Cable . . . . . . . . . . . . . . . . . . 446
T640 Routing Engine Interface Cable and Wire Specifications . . . . . . . . . . . . . . 448
Appendix F T640 Router Cable Connector Pinouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 449
T640 RJ-45 Connector Pinouts for the Routing Engine ETHERNET Port . . . . . . 449
T640 DB-9 Connector Pinouts for the Routing Engine AUXILIARY and CONSOLE
Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450
T640 RJ-48 Connector Pinouts for the SCG EXTERNAL CLOCK INPUTS
Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 450
Appendix G Contacting Customer Support and Returning T640 Router Hardware . . 453
Locating T640 Component Serial Numbers Using the CLI . . . . . . . . . . . . . . . . . 453
T640 Component Serial Number Label Locations . . . . . . . . . . . . . . . . . . . . . . . 454
Control Board Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 454
CIP Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 455
Craft Interface Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 456
FPC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 456
PIC Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 457
Power Supply Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 458
Routing Engine Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 459
SCG Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 459
SIB Serial Number Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 460
Contacting Customer Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 461
Returning a Hardware Component to Juniper Networks, Inc. . . . . . . . . . . . . . . . . 461
Tools and Parts Required to Remove Components from a T640 Router . . . . . . 462
Packing the T640 Router for Shipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 463
Packing T640 Router Components for Shipment . . . . . . . . . . . . . . . . . . . . . . . . 464
Part 5 Index
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 469
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List of Figures
Part 1 T640 Router Product Overview
Chapter 2 T640 Router System Architecture Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Figure 1: Router Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 2: Control Packet Handling for Routing and Forwarding Table Updates . . . . 7
Figure 3: Data Flow Through the T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Chapter 3 T640 Router Hardware Component Overview . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 4: Front View of T640 Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Figure 5: Rear View of T640 Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 6: T640 Midplane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 7: FPC Installed in a T640 Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 8: FPC Edges . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 9: Enhanced Scaling FPC1 Supported by the T640 Router . . . . . . . . . . . . . 21
Figure 10: Standard FPC2 and FPC3 Supported by the T640 Router . . . . . . . . . . 22
Figure 11: Enhanced II FPC1, FPC2, and FPC3 Supported by the T640 Router . . . . 23
Figure 12: Enhanced Scaling FPC2 Supported by the T640 Router . . . . . . . . . . . . 24
Figure 13: Enhanced Scaling FPC3 Supported by the T640 Router . . . . . . . . . . . . 25
Figure 14: Enhanced Scaling FPC4 Supported by the T640 Router . . . . . . . . . . . . 26
Figure 15: T640 Enhanced Scaling FPC4-1P Supported by the T640 Router . . . . 27
Figure 16: Standard SIB or Standard SIB Version B . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 17: T640-SIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Figure 18: Routing Engine 600 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 19: Routing Engine 1600 (RE-1600) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Figure 20: Routing Engine 2000 (RE-2000) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Figure 21: Routing Engine C1800 (RE-C1800) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Figure 22: RE-C1800 LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Figure 23: T640 Standard Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Figure 24: T-CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Figure 25: LCC-CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Figure 26: LCC-CB LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Figure 27: SCG with DB-9 Ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Figure 28: SCG with RJ-48 ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Figure 29: SCG with RJ-48 ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Figure 30: Front Panel of the T640 Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . 52
Figure 31: T640 LCD in Idle Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Figure 32: T640 LCD in Alarm Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Figure 33: CIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Figure 34: Two-Input 160-A DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Figure 35: Three-Input 240-A DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Figure 36: Three-Input 240-A DC Power Supply LEDs . . . . . . . . . . . . . . . . . . . . . . 65
xviiCopyright © 2013, Juniper Networks, Inc.
Figure 37: Four-Input 240-A DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Figure 38: Four-Input 240-A DC Power Supply LEDs . . . . . . . . . . . . . . . . . . . . . . . 68
Figure 39: Six-Input DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Figure 40: Three-Phase Delta AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Figure 41: Three-Phase Delta AC Power Supply Connections . . . . . . . . . . . . . . . . . 72
Figure 42: Three-Phase Delta AC Power Cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Figure 43: Three-Phase Wye AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Figure 44: Three-Phase Wye AC Power Supply Connections . . . . . . . . . . . . . . . . . 73
Figure 45: Wye Three-Phase AC Power Cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Figure 46: Delta AC Power Supply LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Figure 47: Airflow Through the Chassis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Figure 48: Quiet Upper Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Figure 49: Quiet Lower Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Figure 50: Cable Management System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Part 2 T640 Router Initial Installation
Chapter 4 Preparing for T640 Router Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Figure 51: Typical Open-Frame Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
Figure 52: T640 Chassis Dimensions and Clearance Requirements . . . . . . . . . . . 84
Chapter 6 Unpacking the T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Figure 53: Contents of the T640 Shipping Crate . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Chapter 7 Installing the T640 Router Mounting Hardware . . . . . . . . . . . . . . . . . . . . . . . 93
Figure 54: Positioning the Spacer Bar on the Rack . . . . . . . . . . . . . . . . . . . . . . . . . 95
Figure 55: Installing the Mounting Hardware for a Four-Post Rack or Cabinet . . . 96
Figure 56: Installing the Mounting Hardware for an Open-Frame Rack . . . . . . . . 97
Chapter 9 Installing the T640 Router Using a Mechanical Lift . . . . . . . . . . . . . . . . . . . 101
Figure 57: Removing a Power Supply Before Installing the Router . . . . . . . . . . . . 103
Figure 58: Removing a Power Supply Before Installing the Installation
Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Figure 59: Attaching the Installation Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
Figure 60: Loading the Router onto the Lift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Figure 61: Installing the Router in the Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Figure 62: Reinstalling a Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Chapter 10 Installing the T640 Router Without a Mechanical Lift . . . . . . . . . . . . . . . . . 109
Figure 63: Removing a Power Supply Before Installing the Router . . . . . . . . . . . . 112
Figure 64: Removing a SIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Figure 65: Removing a T-CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Figure 66: Removing an LCC-CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Figure 67: Removing an SCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Figure 68: Removing the Rear Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Figure 69: Removing the Standard Upper Front Fan Tray . . . . . . . . . . . . . . . . . . . 118
Figure 70: Removing the Quiet Upper Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . 118
Figure 71: Removing a T640 FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Figure 72: Attaching the Installation Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Figure 73: Installing the Router in the Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Figure 74: Reinstalling the Rear Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
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T640 Core Router Hardware Guide
Figure 75: Reinstalling an SCG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Figure 76: Reinstalling a T-CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
Figure 77: Reinstalling an LCC-CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Figure 78: Reinstalling a SIB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Figure 79: Reinstalling a Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Figure 80: Reinstalling an FPC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Figure 81: Reinstalling the Quiet Upper Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . 131
Figure 82: ReInstalling the Quiet Lower Front Fan Tray . . . . . . . . . . . . . . . . . . . . . 131
Figure 83: Reinstalling the Standard Upper Front Fan Tray . . . . . . . . . . . . . . . . . . 132
Chapter 11 Grounding the T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Figure 84: Grounding Lug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Chapter 12 Connecting the T640 Router to External Devices . . . . . . . . . . . . . . . . . . . . . 135
Figure 85: Console and Auxiliary Serial Port Connector . . . . . . . . . . . . . . . . . . . . 137
Figure 86: Console and Auxiliary Ports on the CIP . . . . . . . . . . . . . . . . . . . . . . . . . 137
Figure 87: Routing Engine Ethernet Cable Connector . . . . . . . . . . . . . . . . . . . . . . 139
Figure 88: ETHERNET Port on the CIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Figure 89: Attaching a Cable to a PIC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Chapter 13 Providing Power to the T640 Router . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Figure 90: Connecting DC Power to a Two-Input 160-A DC Power Supply . . . . . 146
Figure 91: Connecting DC Power to a Three-Input 240-A DC Power Supply in
2-INPUT Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Figure 92: Connecting Power to the Four-Input 240-A DC Power Supply . . . . . . 150
Figure 93: Connecting DC Power Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Figure 94: Connecting Negative (–) DC Power Cables to INPUT 0, INPUT 1,
INPUT 3, and INPUT 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Figure 95: Connecting Negative (–) DC Power Cables to INPUT 2 and
INPUT 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Figure 96: Connecting Positive (+) DC Power Cables to RTN 2, RTN 5, RTN 0,
RTN 1, RTN 3, and RTN 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
Figure 97: Connecting DC Power Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Figure 98: Connecting Negative (–) DC Power Cables to INPUT 0, INPUT 1,
INPUT 3, and INPUT 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Figure 99: Connecting Negative (–) DC Power Cable to INPUT 2 . . . . . . . . . . . . . 157
Figure 100: Connecting Positive (+) DC Power Cable to RTN 2, RTN 0, RTN 1,
RTN 3, RTN 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Figure 101: Connecting DC Power Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Figure 102: Connecting Negative (–) DC Power Cables to INPUT 0, INPUT 1,
INPUT 3, and INPUT 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Figure 103: Connecting Positive (+) DC Power Cables to RTN 0, RTN 1, RTN 3,
and RTN 4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Figure 104: Connecting Power to a Three-Phase Delta AC Power Supply . . . . . . 164
Figure 105: Connecting Power to the Three-Phase Wye AC Power Supply . . . . . 166
Figure 106: Fastening the AC Power Cord to the Power Supply . . . . . . . . . . . . . . 166
Part 3 T640 Router Hardware Maintenance, Troubleshooting, and
Replacement Procedures
Chapter 15 Maintaining T640 Router Hardware Components . . . . . . . . . . . . . . . . . . . . 179
xixCopyright © 2013, Juniper Networks, Inc.
List of Figures
Figure 107: Do Not Grasp the Connector Edge . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188
Figure 108: Do Not Carry an FPC with Only One Hand . . . . . . . . . . . . . . . . . . . . . 189
Figure 109: Do Not Rest the FPC on an Edge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189
Figure 110: Holding an FPC Vertically . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Figure 111: Do Not Stack FPCs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Chapter 17 Replacing T640 Router Hardware Components . . . . . . . . . . . . . . . . . . . . . . 217
Figure 112: Removing a CIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Figure 113: Installing a CIP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Figure 114: Routing Engine Interface Ports and Alarm Relay Contacts . . . . . . . . . 224
Figure 115: Ethernet Cable Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226
Figure 116: Routing Engine Console . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
Figure 117: Routing Engine Alarm Relay Wires . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230
Figure 118: Removing a Standard Upper Front Fan Tray . . . . . . . . . . . . . . . . . . . . 233
Figure 119: Installing an Upper Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233
Figure 120: Removing the Standard Rear Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . 235
Figure 121: Installing a Rear Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236
Figure 122: Installing a Quiet Lower Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . 238
Figure 123: Removing a Standard Upper Front Fan Tray . . . . . . . . . . . . . . . . . . . . 238
Figure 124: Removing the Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239
Figure 125: Installing the Air Deflector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240
Figure 126: Installing the Quiet Upper Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . 240
Figure 127: Removing the Standard Rear Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . 242
Figure 128: Installing the Quiet Rear Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243
Figure 129: Removing the Quiet Upper Front Fan Tray . . . . . . . . . . . . . . . . . . . . . 244
Figure 130: Installing the Quiet Upper Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . 245
Figure 131: Removing the Quiet Lower Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . 246
Figure 132: Installing the Quiet Lower Front Fan Tray . . . . . . . . . . . . . . . . . . . . . . 247
Figure 133: Removing the Quiet Rear Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Figure 134: Installing the Quiet Rear Fan Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Figure 135: Removing the Front Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250
Figure 136: Replacing the Front Filter Element . . . . . . . . . . . . . . . . . . . . . . . . . . . 250
Figure 137: Installing the Front Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 251
Figure 138: Removing the Rear Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Figure 139: Removing the Rear Air Filter Element . . . . . . . . . . . . . . . . . . . . . . . . . 253
Figure 140: Installing the Rear Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
Figure 141: Removing a Craft Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Figure 142: Installing a Replacement Craft Interface . . . . . . . . . . . . . . . . . . . . . . 256
Figure 143: Removing a Standard Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . 261
Figure 144: Removing a T-CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261
Figure 145: Installing a Standard Control Board . . . . . . . . . . . . . . . . . . . . . . . . . . 262
Figure 146: Installing a T-CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262
Figure 147: Removing an LCC-CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264
Figure 148: Installing an LCC-CB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265
Figure 149: Removing the Routing Engine Cover . . . . . . . . . . . . . . . . . . . . . . . . . . 266
Figure 150: Removing a Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267
Figure 151: Installing a Routing Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268
Figure 152: Reinstalling the Routing Engine Cover . . . . . . . . . . . . . . . . . . . . . . . . 268
Figure 153: Removing a PC Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269
Copyright © 2013, Juniper Networks, Inc.xx
T640 Core Router Hardware Guide
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