Kindle Notes & Highlights
Many if not most security portals utilize an alarm sensor to detect if the portal has been forced open or left (propped) open. The software for a portal is intrinsically capable of managing the security portal alarm. Those alarms are also bypassed (ignored) automatically when the door is opened legally to enter or to exit.
Importante considerar
The three types of credential readers include card readers, keypads, and biometric readers.
