Door automatically unlocks when opened and does not re-lock. Credential must be presented to lock’s exterior or an interior buttom must be presented to re-lock door.
Von Duprin 98/99 NL drive screw is located in back of the 98/99 center case assembly.
NL drive screw should be left in with trim lock slide plate in up position in the 98/99 exit device with E99...
Smart cards are typically credit card sized, plastic credentials containing a microprocessor chip that serves the dual functions of communication and extensive data storage. Although it is ...
To convert the Von Duprin 9975NL(Night Latch or Storeroom) to 9975L (Classroom) exit function follow these steps (Note: the mortise lock is shipped as Night Latch from the factory):
Turn the NL ...
To convert the Von Duprin 9975L to 9975NL exit function follow these steps (Note: the mortise lock is shipped as Night Latch from the factory):
Turn the NL screw on 7500 mortise lock counter clo...
Night Latch (NL)= key retracts the latch momentarily to allow entry. When key is removed, the latch will extend and locks the door (momentary unlock).
Class Room (Lock/ Unlock)= key unlocks...
Apartment
Corridor Lock function is defined as a lock where the latch bolt operated by
lever from either side, except when outside lever is made inoperative by a stop
or mechanical means other than...
The L9466 Store/Utility Room lock can provide this functionality.
Operation: Latchbolt retracted by knob/lever either side. Deadbolt thrown or retracted by key from either side. When the deadbolt ...
A biometric F-Series hand reader usually comes with standard user memory. When a user is added that exceeds that user memory size, there is no room left to store that user and that user template c...