Reinstall controller canister

You reinstall the controller canister into the controller shelf after upgrading the HIC.

1. Lower the cover on the controller canister and secure the thumbscrew.
2. While squeezing the controller handles, gently slide the controller canister all the way into the controller shelf.
   Note: The controller audibly clicks when correctly installed into the shelf.
   
   
3. If removed, install the SFPs into the new HIC and reconnect all the cables. If you are using more than one host protocol, be sure to install the SFPs in the correct host ports.
   If you are using more than one host protocol, be sure to install the SFPs in the correct host ports.