Juniper T640 Hardware Manual page 3

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 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.
Copyright © 2010, Juniper Networks, Inc. iii