Exhibit 10.2 [GRAPHIC APPEARS HERE] OUR STANDBY L/C NO. SVBSF002602 DATE: JUNE 29, 2005 ADVICE OF AMENDMENT NUMBER: 3 BENEFICIARY: JABIL CIRCUITS, INC. 30 GREAT OAKS BOULEVARD SAN JOSE, CALIFORNIA 95119 ACCOUNT OF: REDBACK NETWORKS INC. 300 HOLGER WAY SAN JOSE, CALIFORNIA 95134 LADIES AND GENTLEMEN, WE HAVE BEEN REQUESTED TO AMEND THE ABOVE REFERENCED LETTER OF CREDIT AS FOLLOWS: THE EXPIRY DATE HAS BEEN AMENDED FROM JUNE 30, 2005 TO JUNE 30, 2006. ALL OTHER TERMS AND CONDITIONS REMAIN UNCHANGED. THIS AMENDMENT IS AN INTEGRAL PART OF THE ORIGINAL LETTER OF CREDIT AND MUST BE ATTACHED THERETO. SILICON VALLEY BANK, /s/ Aurea Balenbin /s/ Enrico M. Nicolas AUTHORIZED SIGNATURE