The 3312x base is prepared for mechanical locking . If you need to prevent unauthorized removal of the detector: Drill a 2.5–2.7 mm hole (labeled Lsh ) in the base.
4402 - analog multi detector with co - Panasonic Fire & Security The 3312x base is prepared for mechanical locking
Once the base is wired and mounted, the detector (such as the 4301 photoelectric smoke detector or 4300 multi-detector ) is plugged into the base. Other Technical References The 3312x base is prepared for mechanical locking