Your search for "JL483C" revealed the following:
HPE Aruba JL483C CX 8325 Series 4-Post Switch Rack Mount Kit
SKU: NSC-0461
Condition: Seller refurbished
Shipping: Overnight Options
Warranty: 365 days
$ 217.99
• Only 3 remaining
Call if you need more
NEW HPE Aruba JL483C CX 8325 Series 4-Post Switch Rack Mount Kit
SKU: NSN-0854
Condition: New
Shipping: Overnight Options
Warranty: 365 days
$ 279.95
• Only 1 remaining
Call if you need more