LX > trim > latch bolt monitor

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The LX switch is not available with Von Duprin rim and vertical rod Chexit devices. If using a mortise Chexit device the SS7500 mortise lock would provide a LX latch bolt monito...
The ALK exit alarm will sound when the exterior trim is used to enter from pull side without using access control when an LX latch bolt monitor switch is used instead of RX push bar monitor switch.
LX Feature, Internal SPDT Switch
The DS is Dual Monitor Switch for Von Duprin 6000 series electric strikes. DS option cannot be added to a Von Duprin 6000 series electric strikes in the field. It is only available factory inst...
Yes.  The exit alarm ALK is shipped standard with a RX, request to exit switch, but can work with the optional LX, latch bolt monitor switch.  If there is no switch in the device it will never alarm.