occupancy indicators for L series locks

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Both the Schlage B571 and Falcon D271 are occupancy indicator deadbolts that read "IN USE" and "VACANT".  The B571 is shown below but the indicator will be identical to the D271 (see Figu...
As of August 26, 2013, the ND75/95 in 626 finish comes standard (no additional charge) with indicator rose with black lettering and indicator arrow.For locks that shipped prior to August 26, 2013, ...
 Component  Function  Product  How to Order  Rhodes Indicator Rose  Classroom Security  ND75, ND95  XN12-035 (626 only)  Omega Indicat...
See attached bulletin.  Marketing bulletin with associated Von Duprin indicators listed.
If a blank rose is preferred over an indicator rose, the customer will need to order the lock less inside rose and order the inside rose (03-042) separately. Example: Lock Less each rose: Use ...
The 09-611 indicator stands off the door 0.39".
The pricebook suggests (for a 1-3/4" door) using a 1-3/8" cylinder when installing with an 09-611 occupancy indicator.
Hotel/motel lock - Deadbolt thrown or retracted by emergency master key in upper cylinder from outside or thumbturn inside. Deadlatch retracted by key in outside knob, except when the lock is in ...
Faculty Restroom Lock - Outside Lever is fixed. Entrance by key only. - Inside Push-button activates occupancy indicator, allowing only emergency master key to operate. Turning lever or closing doo...
ND85PD (ANSI F93) Faculty Restroom Lock  Outside lever fixed. Entrance by key only. Push-button in inside lever activates visual “occupancy” indicator, allowing only emergency master key to ...
Faculty Restroom Lock - With indicator cylinder. Outside knob fixed. Entrance by key only. Push-button in inside knob activates visual occupancy indicator, allowing only emergency master key to op...
Faculty Restroom Lock - With indicator cylinder. Outside lever fixed. Entrance by key only. Push-button in inside lever activates visual occupancy indicator, allowing only emergency masterkey to o...
The Falcon MA mortise lock is available with an occupancy indicator on the following functions: MA301, MA311, MA321, MA371, MA431, MA441(inside of door only), MA451, MA541, MA57...
Related solution: Is the MA indicator available separately? 
Faculty Restroom Lock - With indicator cylinder. Outside knob fixed. Entrance by key only. Push-button in inside knob activates visual occupancy indicator, allowing only emergency masterkey to oper...
Indicator not extended Indicator extended
The indicator on a cylindrical hotel lock is a small pin that projects outward from the face of the cylinder plug (Figure 1) when the inside push button is depressed.  When this pin is pr...
In late July, 2014, Schlage began taking orders for a new high visibility indicator for both N escutcheon and sectional trim applications.  A complete listing of lock functions and part number...
The L Series mortise indicator datasheet can be found here. Includes how to order.
The ND40 does not have this option.  You will need to look at a mortise lock, L9496, or a deadbolt such as the B571.
The use of Panic Hardware and/or Fire Exit Hardware is required by the International Building Code (IBC) and NFPA 101 – The Life Safety Code, depending on which code and which edition of the code i...
The replacement for the D871 is the D271.  None of the parts are backwards compatible. D271 description:Thumbturn x Occupancy Indicator Deadbolt thrown or retracted by turn unit only. ...
The Falcon D400 and D800 series (including the D871) were discontinued in 2008.
DISCONTINUED LATE 2014The L583-375 was used when ordering a L-Series lock with an indicator or the indicator rose/escutcheon separate to designate an indicator that reads "OCCUPIED" ...