Hi Furkan,
The HP 5406R zl2 switch
(J9821A) includes the base chassis J9850A, the HP 5400R zl2 Management Module (J9827A),
and the HP 5406R zl2 Switch Fan Tray (J9831A). The bundles J9823A, J9824A, J9868A, JL002A, JL003A, and JL095A each
include the base chassis J9850A, the HP 5400R zl2 Management Module (J9827A), and the HP 5406R zl2 Switch Fan Tray
(J9831A) in addition to the switch modules mentioned previously.
The part number J9850A is not orderable.
Here you find the release notes with update instructions.
https://www.arubanetworks.com/techdocs/AOS-Switch/RN/16.11/AOS-S%2016.11.0002%20Release%20Notes.pdfHope this help you.