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Resolution: Classroom lock—Deadlocking latch bolt by levers. Outside lever is locked by key in outside lever. Inside lever is always free.:

RU571

Resolution: Dormitory lock—Deadlocking latch bolt by levers except when locked by push button in inside lever. Key in outside lever locks or unlocks lever and releases button. Closing door releases push button...:

RU581

Resolution: Storeroom lock—Deadlocking latch bolt by lever inside or key outside. Outside lever is inoperable. Inside lever always free.:

RU851

Resolution: Storeroom (electrified-fail safe)—Latch bolt operated by lever from either side except when outer lever is electrically locked. When outer lever is locked (inoperable), latch bolt retracted by key ...:

RU881

Resolution: Storeroom (electrified-fail secure)—Deadlocking latch bolt operated by lever inside at all times. Outside lever inoperable until electrically unlocked, then latch bolt from either side. When outsid...:

S10D

Resolution: Passage latch - Both levers always unlocked.:

S40D

Resolution: Bath/bedroom privacy lock - Push-button locking. Can be opened from outside with small narrow tool. Turning the inside lever releases button.:

S51PD

Resolution: Entrance lock - Outside lever locked and unlocked by key or by turn-button on inside lever. Inside lever always unlocked.:

S70PD

Resolution: Classroom lock - Outside lever locked and unlocked by key. Inside lever always unlocked.:

S80PD

Resolution: Storeroom lock - Outside lever fixed. Entrance by key only. Inside lever always unlocked.: