You reinstall the controller canister into the controller shelf after installing the new HIC.
Steps
- Turn the controller canister over, so that the removable cover faces down.
- With the cam handle in the open position, slide the controller canister all the way into the controller shelf.
The following figure is an example of an E5724 controller shelf:

Controller canister
Cam handle
The following figure is an example of an E5760 controller shelf:

Controller canister
Cam handle
- Move the cam handle to the left to lock the controller canister in place.
- Reconnect all the cables you removed.
Attention: Do not connect data cables to the new HIC ports at this time.
- (Optional) If you are adding HICs to a duplex configuration, repeat all steps to remove the second controller canister, install the second HIC, and reinstall the second controller canister.