J9822A: HPE Aruba Networking 5412R zl2 Switch

Part J9822A (HPE Aruba Networking 5412R zl2 Switch): it is the 12-slot chassis of the 5400R zl2 series, taking up to 12 I/O modules and up to 4 power supplies.

All details here come from the HPE 5400R zl2 Switch Series QuickSpecs. It is sold without I/O modules, and at least two power supplies are required.

J9822A specifications: Series Aruba 5400R zl2; chassis 5412R; I/O module slots up to 12; power supplies 2 minimum, 4 maximum; management module J9827A (up to 2); part of the HPE Aruba / ProCurve switches product line.