9
Entry-Master Option-4 Hardware Installation Guide
F. Recommended Lock Mechanism Wiring Diagrams
Magnetic Locks and Electric Lock Strikes installed as fail-safe require power
to stay locked. When power is lost, Magnetic Locks or fail-safe Electric Lock
Strikes will remain unlocked until power is restored.
Fail-secure Electric Lock Strikes require power to unlock. When power is
lost, a fail-secure Electric Lock Strike remains locked.
The drawing below depicts examples of wiring both fail-safe and fail-secure
locking mechanisms to the Option-4 board (EMRI relay refers to the Option-4
board's relay outputs):
Examples of Wiring Lock Mechanisms up to the Option-4 Relays
Note: polarities of the diodes are depicted on the diagram on the following page: