NL-OP cylinder not working

RELATED FAQS

Question
Answer
Order the device as 88 NL less trim. The cylinder will be mounted to the face of the door. Use templates 10156 and 40015.
The old style 33/35 exit device trims will not function with the newer "33A/35A" exit devices and newer style trims will not work with the older 33/35 exit devices.
The 388 Cylinder Control is required for the NL-OP function on a 33A/35A series exit devices. The 110NL is used on 22 and 98/99 series exit devices not 33/35A series devices.
This option is not available as there is no NL cam to directly drive the rods and using a key to lift the heavy stainless, brass or bronze rods would damage the key. 
No, the 98/99 series mortise exit device should be ordered as NL less trim. IE, 9875NL-L/TRIM. NL-OP suffix is normally used with the 98/99 series rim, surface and concealed vertical rod devices wh...
The Falcon C987 cylinder can be ordered with the #27 cam as it has a similar profile to the Schlage B520-731 cam for trims after 2/28/2011.
You would have to order the device as 88NL less trim, the device will be shipped as an 88EO.  The EO device has an NL cam to accept a rim cylinder tailpiece. 
The Falcon Monarch 510L and 510L-NL trim will accept either a 1 1/4" Mortise cylinder with a straight cam or a 1 3/8" Mortise cylinder with a straight cam using the blocking ring provided with the ...
A 1-1/8 through 1-1/2" mortise cylinder with straight cam per Step 4 of 512NL Instructions.