Grass Valley PRS 250 RAID Storage System - Manual (Page 77)

Replacing or Adding a VSC
RAID Instructions 3-31
5. Install the replacement or add-on VSC as shown below.
Installing a VSC
6. Immediately close and lock the fan module.
7. If the storage chassis is not running, power it up.
Grasp VSC by handle
and push into slot until
it latches in place.