ACCESS CONTROL TERMS O
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Online Help: A reference program within most software programs that provides basic descriptions and instructions on how to use that software program.
OR Gate: A logic circuit that requires that any input must be in a high state (logic 1) to generate a high state output (logic 1).
Output Relay: A device that changes its state upon receiving a signal from a controller. Typically the state change prompts an action outside of the controller such as activating or inactivating a device. The auxiliary relays found in access control panels or NODES that control external devices.