IBM DCS9550 1S1 - Manual (Page 44)

Installation
IBM System Storage DCS9550 1S1 Storage Expansion Unit Installation, Service, and User Guide 29
Note Removal is the reverse of this procedure (press on the latch to release the
handle).
2.10.3 Dummy Carrier Modules
Any unused drive bays must be fitted with a dummy carrier module.
2.10.4 Engaging the Anti-tamper Locks
The anti-tamper locks are fitted in the drive carrier handles and are accessed through the small
cutout in the latch section of the handle.
Drives are supplied with the locks set in the locked position.
2.10.4.1 Activating the Locks
1 Carefully insert the lock key provided into the cutout in the handle.
2 Locate the key into its socket.
3 Rotate the key in a clockwise direction until the indicator is visible in the aperture beside the
key.
Figure 2–12 Installing an SATA Drive Carrier Module (3)