JSI has detected them as QFX5200-48Y, however the switches are QFX5200-32C model.
From the data below, you can see that the switches are QFX5200-32C indeed:
abc@xxxxxxx> show chassis hardware
Hardware inventory:
Item Version Part number Serial number Description
Chassis abcdefghij QFX5200-32C-32Q
Pseudo CB 0
The reports are showing the incorrect model / platform of the QFX5200 in JSI. The solution to correct the model / platform is to raise a JIRA with the engineering team so that the reports can show the correct model / platform.