Juniper T640 Hardware Manual page 2

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 Core Router Hardware Guide
Copyright © 2010, Juniper Networks, Inc.
All rights reserved. Printed in USA.
Revision History
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.
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).
2–INPUT
31 December 2008— 530-021112-01 Revision 3. Added the 3-input 240-A power supply in mode. 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.
ii Copyright © 2010, Juniper Networks, Inc.