High security cylinder and hotel function

RELATED FAQS

Question
Answer
Standard and Full Size I/C mortise cylinders on the L9485 and L9486, Hotel or Restroom Locks, use the concept of a ward ring to lock out all change keys once the deadbolt is thrown. Instead of a fu...
HANDINGA stop ring is installed on the right side for right hand operation and on the left side for left hand operation.  Right hand shown below.
The following document contains information on Falcon (Non I/C) Hotel Cylinders, including part numbers, key requirements and operation. Falcon Hotel Cylinders.
Putting a standard non-hotel cylinder in a L9485 or L9486 will change the operation of the lock to the L9480, storeroom lock with deadbolt.
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...
L9485:  Latchbolt retracted by key outside or by knob/lever inside. Outside knob/lever always fixed. Deadbolt thrown or retracted by inside thumbturn.  When deadbolt is thrown, all keys become ino...
The ND85/AL85/A85 hotel lock is only available in a conventional Key-in-Lever cylinder.  Interchangeable core and Primus are not available with this function. 
A Primus Hotel cylinder (as well as an IC hotel cylinder) is not possible because there isn't enough room inside the cylinder for all of the required components. 
Key in lever Falcon cylinders do not work in Schlage locks.  The cylinders may fit, but there are no specific tailpieces created to operate any Schlage lock. SFIC SFIC is universal so Falcon and...
   Hotel cylinder in L9000 As long as the correct cam is used (Schlage clover), a Falcon Hotel cylinder will properly function in an L9486 hotel lock.
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...