locking storeroom function mortise lock

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Place any new orders per the following table ...
 Mortise Deadbolt Locks  Discontinued  Replace With  CO200MD  70-Classroom/Storeroom  40-Privacy  CO250MD  70-Classroom/Storeroom  40-Privacy  AD200MD  70-Classroom/Storeroo...
* NOTE: the AD300/400 devices simply communicate the change in Deadbolt Position status to the Host software.  The software then decides what action should or should not be taken at the device. 
The 80 (Storeroom function) operates as follows: Key retracts latch (entrance by key only)
ANSI F84 Classroom Lock  Outside lever locked and unlocked by key. Inside lever always unlocked for immediate egress.   ANSI F86 Storeroom Lock  Outside lever fixed. Entra...
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...
You must have the Von Duprin NL Cylinder plate part number 967484-89 to convert the 370 series controls from classroom function to night latch function. If new installation, use the NL cylinde...
MA581 is a Storeroom function mortise lock.
MA581 operation: Latchbolt operated by key from outside or by operating inside knob/lever. Outside knob/lever is always inoperative. Auxiliary latch deadlocks latchbolt when door is locked.
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...