The Von Duprin XP98/99 device uses a different strike than standard 98/99 device.
The 909 strike is for non fire rated XP devices and the 954 strike is for the fire rated XP device.
49/9954 mul...
The following application information apply to the 5100 electric strike:
Can only be used on a single door with a cylindrical lock
Can not be used on a pair of doors
Can not be used on a mullion